./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:07:45,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:07:45,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 05:07:45,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:07:45,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:07:45,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:07:45,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:07:45,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:07:45,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:07:45,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:07:45,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:07:45,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:07:45,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:07:45,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:07:45,668 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:07:45,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:07:45,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:07:45,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:07:45,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:07:45,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:07:45,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:07:45,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:07:45,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:07:45,671 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:45,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:07:45,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:45,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:07:45,672 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 [2024-11-28 05:07:45,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:07:46,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:07:46,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:07:46,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:07:46,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:07:46,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-11-28 05:07:48,837 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/data/3d84ac5d9/8d1c9ee670154d929f73f08166fb4217/FLAG68bc1b3da [2024-11-28 05:07:49,112 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:07:49,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2024-11-28 05:07:49,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/data/3d84ac5d9/8d1c9ee670154d929f73f08166fb4217/FLAG68bc1b3da [2024-11-28 05:07:49,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/data/3d84ac5d9/8d1c9ee670154d929f73f08166fb4217 [2024-11-28 05:07:49,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:07:49,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:07:49,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:49,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:07:49,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:07:49,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cff294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49, skipping insertion in model container [2024-11-28 05:07:49,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:07:49,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:49,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:07:49,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:49,428 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:07:49,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49 WrapperNode [2024-11-28 05:07:49,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:49,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:49,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:07:49,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:07:49,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,476 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-11-28 05:07:49,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:49,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:07:49,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:07:49,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:07:49,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,493 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,510 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:07:49,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:07:49,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:07:49,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:07:49,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:07:49,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (1/1) ... [2024-11-28 05:07:49,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:49,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:49,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:49,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:07:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:07:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:07:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:07:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:07:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:07:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:07:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 05:07:49,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 05:07:49,672 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:07:49,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:07:50,263 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-28 05:07:50,264 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:07:50,277 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:07:50,278 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:07:50,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:50 BoogieIcfgContainer [2024-11-28 05:07:50,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:07:50,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:07:50,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:07:50,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:07:50,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:07:49" (1/3) ... [2024-11-28 05:07:50,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62152ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:50, skipping insertion in model container [2024-11-28 05:07:50,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:49" (2/3) ... [2024-11-28 05:07:50,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62152ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:50, skipping insertion in model container [2024-11-28 05:07:50,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:50" (3/3) ... [2024-11-28 05:07:50,289 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound20.c [2024-11-28 05:07:50,303 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:07:50,305 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-ll_valuebound20.c that has 3 procedures, 143 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2024-11-28 05:07:50,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:07:50,378 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3693b423, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:07:50,378 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-28 05:07:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:07:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 05:07:50,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:50,391 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:50,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:50,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:50,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2059565640, now seen corresponding path program 1 times [2024-11-28 05:07:50,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:50,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158339519] [2024-11-28 05:07:50,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:50,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 05:07:50,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:50,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158339519] [2024-11-28 05:07:50,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158339519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:50,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755998394] [2024-11-28 05:07:50,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:50,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:50,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:07:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:50,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:07:50,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 05:07:50,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:50,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755998394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:50,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:07:50,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:07:50,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055634850] [2024-11-28 05:07:50,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:50,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:07:50,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:50,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:07:50,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:07:50,710 INFO L87 Difference]: Start difference. First operand has 143 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 05:07:50,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:50,752 INFO L93 Difference]: Finished difference Result 282 states and 320 transitions. [2024-11-28 05:07:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:07:50,753 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-28 05:07:50,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:50,760 INFO L225 Difference]: With dead ends: 282 [2024-11-28 05:07:50,760 INFO L226 Difference]: Without dead ends: 136 [2024-11-28 05:07:50,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:07:50,766 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:50,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:07:50,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-28 05:07:50,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-28 05:07:50,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 68 states have (on average 1.838235294117647) internal successors, (125), 123 states have internal predecessors, (125), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:07:50,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 145 transitions. [2024-11-28 05:07:50,815 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 145 transitions. Word has length 25 [2024-11-28 05:07:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:50,816 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 145 transitions. [2024-11-28 05:07:50,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 05:07:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2024-11-28 05:07:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 05:07:50,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:50,817 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:50,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:07:51,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:07:51,020 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:51,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:51,020 INFO L85 PathProgramCache]: Analyzing trace with hash 811223820, now seen corresponding path program 1 times [2024-11-28 05:07:51,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:51,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345011969] [2024-11-28 05:07:51,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:51,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:51,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555845596] [2024-11-28 05:07:51,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:51,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:51,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:07:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:51,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:07:51,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:51,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:51,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:51,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345011969] [2024-11-28 05:07:51,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555845596] [2024-11-28 05:07:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555845596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:51,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:51,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:51,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082402657] [2024-11-28 05:07:51,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:51,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:51,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:51,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:51,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:51,167 INFO L87 Difference]: Start difference. First operand 136 states and 145 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 05:07:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:51,571 INFO L93 Difference]: Finished difference Result 220 states and 268 transitions. [2024-11-28 05:07:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:51,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-28 05:07:51,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:51,573 INFO L225 Difference]: With dead ends: 220 [2024-11-28 05:07:51,574 INFO L226 Difference]: Without dead ends: 216 [2024-11-28 05:07:51,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:51,575 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 73 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:51,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 146 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:07:51,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-28 05:07:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 174. [2024-11-28 05:07:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 101 states have (on average 1.8514851485148516) internal successors, (187), 156 states have internal predecessors, (187), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 05:07:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 217 transitions. [2024-11-28 05:07:51,593 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 217 transitions. Word has length 25 [2024-11-28 05:07:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:51,593 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 217 transitions. [2024-11-28 05:07:51,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 05:07:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 217 transitions. [2024-11-28 05:07:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 05:07:51,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:51,594 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:51,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:07:51,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:51,798 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:51,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2097955250, now seen corresponding path program 1 times [2024-11-28 05:07:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:51,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40117436] [2024-11-28 05:07:51,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:51,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:51,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676448085] [2024-11-28 05:07:51,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:51,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:51,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:07:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:51,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:07:51,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:51,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:51,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:51,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40117436] [2024-11-28 05:07:51,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:51,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676448085] [2024-11-28 05:07:51,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676448085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:51,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:51,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:51,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389735651] [2024-11-28 05:07:51,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:51,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:51,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:51,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:51,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:51,905 INFO L87 Difference]: Start difference. First operand 174 states and 217 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 05:07:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:52,159 INFO L93 Difference]: Finished difference Result 274 states and 340 transitions. [2024-11-28 05:07:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:52,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-28 05:07:52,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:52,161 INFO L225 Difference]: With dead ends: 274 [2024-11-28 05:07:52,161 INFO L226 Difference]: Without dead ends: 266 [2024-11-28 05:07:52,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:52,162 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:52,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:07:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-28 05:07:52,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2024-11-28 05:07:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 147 states have (on average 1.8027210884353742) internal successors, (265), 202 states have internal predecessors, (265), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 05:07:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 307 transitions. [2024-11-28 05:07:52,201 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 307 transitions. Word has length 27 [2024-11-28 05:07:52,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:52,202 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 307 transitions. [2024-11-28 05:07:52,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 05:07:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 307 transitions. [2024-11-28 05:07:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 05:07:52,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:52,203 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:52,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:07:52,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:52,403 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:52,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:52,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1795331696, now seen corresponding path program 1 times [2024-11-28 05:07:52,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:52,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768703584] [2024-11-28 05:07:52,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:52,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877179919] [2024-11-28 05:07:52,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:52,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:52,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:52,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:52,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:07:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:52,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:07:52,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:52,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:52,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:52,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768703584] [2024-11-28 05:07:52,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:52,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877179919] [2024-11-28 05:07:52,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877179919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:52,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:52,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:52,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135950923] [2024-11-28 05:07:52,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:52,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:52,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:52,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:52,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:52,578 INFO L87 Difference]: Start difference. First operand 226 states and 307 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 05:07:52,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:52,937 INFO L93 Difference]: Finished difference Result 260 states and 326 transitions. [2024-11-28 05:07:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:52,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-28 05:07:52,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:52,939 INFO L225 Difference]: With dead ends: 260 [2024-11-28 05:07:52,939 INFO L226 Difference]: Without dead ends: 246 [2024-11-28 05:07:52,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:52,941 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:52,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 132 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:07:52,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-28 05:07:52,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 192. [2024-11-28 05:07:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 118 states have (on average 1.7203389830508475) internal successors, (203), 173 states have internal predecessors, (203), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:07:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 235 transitions. [2024-11-28 05:07:52,955 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 235 transitions. Word has length 29 [2024-11-28 05:07:52,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:52,955 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 235 transitions. [2024-11-28 05:07:52,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 05:07:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 235 transitions. [2024-11-28 05:07:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-28 05:07:52,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:52,956 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:52,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:53,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:53,157 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:53,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2135988288, now seen corresponding path program 1 times [2024-11-28 05:07:53,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:53,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629356420] [2024-11-28 05:07:53,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:53,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128157479] [2024-11-28 05:07:53,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:53,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:53,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:53,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:07:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:53,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:07:53,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:53,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:53,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:53,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629356420] [2024-11-28 05:07:53,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:53,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128157479] [2024-11-28 05:07:53,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128157479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:53,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:53,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:53,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619917168] [2024-11-28 05:07:53,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:53,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:53,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:53,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:53,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:53,278 INFO L87 Difference]: Start difference. First operand 192 states and 235 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:53,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:53,492 INFO L93 Difference]: Finished difference Result 352 states and 452 transitions. [2024-11-28 05:07:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:53,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-28 05:07:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:53,496 INFO L225 Difference]: With dead ends: 352 [2024-11-28 05:07:53,497 INFO L226 Difference]: Without dead ends: 344 [2024-11-28 05:07:53,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:53,498 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 84 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:53,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 200 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:07:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-28 05:07:53,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 269. [2024-11-28 05:07:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 186 states have (on average 1.7043010752688172) internal successors, (317), 241 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 367 transitions. [2024-11-28 05:07:53,518 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 367 transitions. Word has length 36 [2024-11-28 05:07:53,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:53,519 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 367 transitions. [2024-11-28 05:07:53,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2024-11-28 05:07:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 05:07:53,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:53,520 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:53,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 05:07:53,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:53,721 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:53,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,721 INFO L85 PathProgramCache]: Analyzing trace with hash -309620702, now seen corresponding path program 1 times [2024-11-28 05:07:53,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:53,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259556540] [2024-11-28 05:07:53,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:53,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70939065] [2024-11-28 05:07:53,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:53,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:53,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:07:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:53,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:53,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:53,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:53,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:53,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259556540] [2024-11-28 05:07:53,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:53,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70939065] [2024-11-28 05:07:53,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70939065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:53,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:53,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:53,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901385170] [2024-11-28 05:07:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:53,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:53,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:53,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:53,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:53,936 INFO L87 Difference]: Start difference. First operand 269 states and 367 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:54,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:54,221 INFO L93 Difference]: Finished difference Result 322 states and 432 transitions. [2024-11-28 05:07:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:54,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-11-28 05:07:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:54,224 INFO L225 Difference]: With dead ends: 322 [2024-11-28 05:07:54,224 INFO L226 Difference]: Without dead ends: 320 [2024-11-28 05:07:54,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:54,225 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 230 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:54,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 143 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:07:54,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-28 05:07:54,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 269. [2024-11-28 05:07:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 186 states have (on average 1.6827956989247312) internal successors, (313), 241 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 363 transitions. [2024-11-28 05:07:54,245 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 363 transitions. Word has length 38 [2024-11-28 05:07:54,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:54,245 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 363 transitions. [2024-11-28 05:07:54,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 363 transitions. [2024-11-28 05:07:54,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-28 05:07:54,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:54,246 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:54,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:54,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:54,447 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:54,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:54,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1008307103, now seen corresponding path program 1 times [2024-11-28 05:07:54,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:54,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691095650] [2024-11-28 05:07:54,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:54,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:54,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584201382] [2024-11-28 05:07:54,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:54,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:54,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:54,473 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:07:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:54,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:54,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:54,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:54,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:54,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691095650] [2024-11-28 05:07:54,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:54,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584201382] [2024-11-28 05:07:54,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584201382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:54,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:54,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:54,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089595333] [2024-11-28 05:07:54,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:54,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:54,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:54,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:54,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:54,632 INFO L87 Difference]: Start difference. First operand 269 states and 363 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:54,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:54,888 INFO L93 Difference]: Finished difference Result 322 states and 428 transitions. [2024-11-28 05:07:54,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:54,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-28 05:07:54,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:54,891 INFO L225 Difference]: With dead ends: 322 [2024-11-28 05:07:54,891 INFO L226 Difference]: Without dead ends: 320 [2024-11-28 05:07:54,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:54,892 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 169 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:54,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 160 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:07:54,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-28 05:07:54,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 269. [2024-11-28 05:07:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 186 states have (on average 1.6612903225806452) internal successors, (309), 241 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 359 transitions. [2024-11-28 05:07:54,911 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 359 transitions. Word has length 39 [2024-11-28 05:07:54,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:54,911 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 359 transitions. [2024-11-28 05:07:54,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 359 transitions. [2024-11-28 05:07:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 05:07:54,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:54,913 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:54,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:55,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:55,114 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:55,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:55,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1192749052, now seen corresponding path program 1 times [2024-11-28 05:07:55,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:55,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559968247] [2024-11-28 05:07:55,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:55,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [972537720] [2024-11-28 05:07:55,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:55,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:55,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:55,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:07:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:55,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:55,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:55,244 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:55,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:55,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559968247] [2024-11-28 05:07:55,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:55,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972537720] [2024-11-28 05:07:55,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972537720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:55,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:55,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:55,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446127394] [2024-11-28 05:07:55,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:55,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:55,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:55,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:55,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:55,248 INFO L87 Difference]: Start difference. First operand 269 states and 359 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:55,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:55,698 INFO L93 Difference]: Finished difference Result 342 states and 432 transitions. [2024-11-28 05:07:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:55,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-28 05:07:55,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:55,700 INFO L225 Difference]: With dead ends: 342 [2024-11-28 05:07:55,701 INFO L226 Difference]: Without dead ends: 340 [2024-11-28 05:07:55,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:55,702 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 84 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:55,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 221 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:07:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-28 05:07:55,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 270. [2024-11-28 05:07:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 187 states have (on average 1.641711229946524) internal successors, (307), 242 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2024-11-28 05:07:55,748 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 40 [2024-11-28 05:07:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:55,748 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2024-11-28 05:07:55,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:55,749 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2024-11-28 05:07:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 05:07:55,750 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:55,750 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:55,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:55,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:55,951 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:55,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:55,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1679485123, now seen corresponding path program 1 times [2024-11-28 05:07:55,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:55,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101921878] [2024-11-28 05:07:55,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:55,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185222424] [2024-11-28 05:07:55,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:55,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:56,001 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:56,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 05:07:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:56,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:56,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:07:56,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:56,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:56,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101921878] [2024-11-28 05:07:56,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:56,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185222424] [2024-11-28 05:07:56,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185222424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:56,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:56,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:56,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578283256] [2024-11-28 05:07:56,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:56,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:56,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:56,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:56,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:56,178 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:56,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:56,942 INFO L93 Difference]: Finished difference Result 342 states and 428 transitions. [2024-11-28 05:07:56,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:56,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-11-28 05:07:56,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:56,948 INFO L225 Difference]: With dead ends: 342 [2024-11-28 05:07:56,948 INFO L226 Difference]: Without dead ends: 340 [2024-11-28 05:07:56,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:56,949 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 84 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:56,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 224 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:07:56,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-28 05:07:56,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 271. [2024-11-28 05:07:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 188 states have (on average 1.622340425531915) internal successors, (305), 243 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 355 transitions. [2024-11-28 05:07:56,973 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 355 transitions. Word has length 41 [2024-11-28 05:07:56,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:56,974 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 355 transitions. [2024-11-28 05:07:56,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 05:07:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 355 transitions. [2024-11-28 05:07:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 05:07:56,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:56,976 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:56,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:57,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:57,177 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:57,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:57,178 INFO L85 PathProgramCache]: Analyzing trace with hash -2075591644, now seen corresponding path program 1 times [2024-11-28 05:07:57,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:57,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553235043] [2024-11-28 05:07:57,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:57,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [474033803] [2024-11-28 05:07:57,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:57,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:57,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:57,202 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 05:07:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:57,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:57,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 05:07:57,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:57,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553235043] [2024-11-28 05:07:57,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474033803] [2024-11-28 05:07:57,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474033803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:57,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:57,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:57,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416129442] [2024-11-28 05:07:57,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:57,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:57,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:57,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:57,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:57,376 INFO L87 Difference]: Start difference. First operand 271 states and 355 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:07:57,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:57,648 INFO L93 Difference]: Finished difference Result 293 states and 374 transitions. [2024-11-28 05:07:57,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:57,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2024-11-28 05:07:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:57,651 INFO L225 Difference]: With dead ends: 293 [2024-11-28 05:07:57,651 INFO L226 Difference]: Without dead ends: 291 [2024-11-28 05:07:57,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:57,652 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 154 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:57,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 171 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:07:57,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-28 05:07:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 272. [2024-11-28 05:07:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6084656084656084) internal successors, (304), 244 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 354 transitions. [2024-11-28 05:07:57,669 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 354 transitions. Word has length 49 [2024-11-28 05:07:57,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:57,669 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 354 transitions. [2024-11-28 05:07:57,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:07:57,669 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 354 transitions. [2024-11-28 05:07:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-28 05:07:57,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:57,672 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:57,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:57,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 05:07:57,876 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:57,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:57,877 INFO L85 PathProgramCache]: Analyzing trace with hash 81168556, now seen corresponding path program 1 times [2024-11-28 05:07:57,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:57,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652176248] [2024-11-28 05:07:57,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:57,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:57,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068140205] [2024-11-28 05:07:57,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:57,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:57,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:57,902 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:57,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 05:07:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:57,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:57,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 05:07:58,072 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:58,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:58,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652176248] [2024-11-28 05:07:58,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:58,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068140205] [2024-11-28 05:07:58,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068140205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:58,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:58,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:58,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301516375] [2024-11-28 05:07:58,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:58,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:58,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:58,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:58,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:58,075 INFO L87 Difference]: Start difference. First operand 272 states and 354 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:07:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:58,308 INFO L93 Difference]: Finished difference Result 293 states and 371 transitions. [2024-11-28 05:07:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:58,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-11-28 05:07:58,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:58,311 INFO L225 Difference]: With dead ends: 293 [2024-11-28 05:07:58,311 INFO L226 Difference]: Without dead ends: 291 [2024-11-28 05:07:58,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:58,311 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 206 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:58,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 153 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:07:58,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-28 05:07:58,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 273. [2024-11-28 05:07:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.5947368421052632) internal successors, (303), 245 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:58,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 353 transitions. [2024-11-28 05:07:58,334 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 353 transitions. Word has length 50 [2024-11-28 05:07:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:58,335 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 353 transitions. [2024-11-28 05:07:58,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:07:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 353 transitions. [2024-11-28 05:07:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 05:07:58,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:58,337 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:58,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:58,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 05:07:58,538 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:58,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:58,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1778741978, now seen corresponding path program 1 times [2024-11-28 05:07:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:58,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867893965] [2024-11-28 05:07:58,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:58,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:58,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [575167992] [2024-11-28 05:07:58,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:58,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:58,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:58,575 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:58,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 05:07:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:58,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:58,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 05:07:58,668 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:58,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:58,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867893965] [2024-11-28 05:07:58,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:58,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575167992] [2024-11-28 05:07:58,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575167992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:58,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:58,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:58,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327643497] [2024-11-28 05:07:58,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:58,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:58,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:58,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:58,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:58,671 INFO L87 Difference]: Start difference. First operand 273 states and 353 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:07:58,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:58,943 INFO L93 Difference]: Finished difference Result 301 states and 360 transitions. [2024-11-28 05:07:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:58,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-28 05:07:58,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:58,945 INFO L225 Difference]: With dead ends: 301 [2024-11-28 05:07:58,945 INFO L226 Difference]: Without dead ends: 299 [2024-11-28 05:07:58,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:58,946 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 126 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:58,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 199 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:07:58,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-28 05:07:58,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 274. [2024-11-28 05:07:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.581151832460733) internal successors, (302), 246 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:07:58,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 352 transitions. [2024-11-28 05:07:58,964 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 352 transitions. Word has length 51 [2024-11-28 05:07:58,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:58,964 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 352 transitions. [2024-11-28 05:07:58,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:07:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 352 transitions. [2024-11-28 05:07:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 05:07:58,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:58,965 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:58,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:59,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 05:07:59,174 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:07:59,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:59,174 INFO L85 PathProgramCache]: Analyzing trace with hash 693573614, now seen corresponding path program 1 times [2024-11-28 05:07:59,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:59,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232336309] [2024-11-28 05:07:59,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:59,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:59,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105479328] [2024-11-28 05:07:59,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:59,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:59,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:59,195 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:59,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 05:07:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:59,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:07:59,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 05:07:59,333 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:59,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:59,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232336309] [2024-11-28 05:07:59,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:59,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105479328] [2024-11-28 05:07:59,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105479328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:59,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:59,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:59,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019630964] [2024-11-28 05:07:59,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:59,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:07:59,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:59,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:59,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:59,335 INFO L87 Difference]: Start difference. First operand 274 states and 352 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:08:00,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:00,122 INFO L93 Difference]: Finished difference Result 301 states and 357 transitions. [2024-11-28 05:08:00,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:08:00,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-28 05:08:00,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:00,124 INFO L225 Difference]: With dead ends: 301 [2024-11-28 05:08:00,124 INFO L226 Difference]: Without dead ends: 299 [2024-11-28 05:08:00,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:00,125 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 76 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:00,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 251 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:08:00,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-28 05:08:00,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 275. [2024-11-28 05:08:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.5677083333333333) internal successors, (301), 247 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2024-11-28 05:08:00,142 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 52 [2024-11-28 05:08:00,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:00,142 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2024-11-28 05:08:00,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 05:08:00,142 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2024-11-28 05:08:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 05:08:00,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:00,143 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:00,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:00,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 05:08:00,344 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:00,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:00,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1166201914, now seen corresponding path program 1 times [2024-11-28 05:08:00,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:00,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511025491] [2024-11-28 05:08:00,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:00,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:00,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:00,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511025491] [2024-11-28 05:08:00,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511025491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:00,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:00,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:08:00,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654028443] [2024-11-28 05:08:00,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:00,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:08:00,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:00,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:08:00,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:08:00,428 INFO L87 Difference]: Start difference. First operand 275 states and 351 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 05:08:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:00,475 INFO L93 Difference]: Finished difference Result 275 states and 351 transitions. [2024-11-28 05:08:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:00,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 59 [2024-11-28 05:08:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:00,478 INFO L225 Difference]: With dead ends: 275 [2024-11-28 05:08:00,478 INFO L226 Difference]: Without dead ends: 273 [2024-11-28 05:08:00,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:08:00,479 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:00,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 207 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:08:00,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-28 05:08:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-11-28 05:08:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 192 states have (on average 1.5364583333333333) internal successors, (295), 245 states have internal predecessors, (295), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 345 transitions. [2024-11-28 05:08:00,497 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 345 transitions. Word has length 59 [2024-11-28 05:08:00,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:00,497 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 345 transitions. [2024-11-28 05:08:00,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 05:08:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 345 transitions. [2024-11-28 05:08:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 05:08:00,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:00,499 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:00,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:08:00,499 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:00,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:00,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1792520839, now seen corresponding path program 1 times [2024-11-28 05:08:00,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:00,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857995559] [2024-11-28 05:08:00,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:00,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:00,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:00,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857995559] [2024-11-28 05:08:00,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857995559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:00,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:00,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:08:00,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219868435] [2024-11-28 05:08:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:00,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:08:00,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:00,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:08:00,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:08:00,591 INFO L87 Difference]: Start difference. First operand 273 states and 345 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 05:08:00,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:00,635 INFO L93 Difference]: Finished difference Result 273 states and 345 transitions. [2024-11-28 05:08:00,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:00,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-11-28 05:08:00,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:00,637 INFO L225 Difference]: With dead ends: 273 [2024-11-28 05:08:00,638 INFO L226 Difference]: Without dead ends: 271 [2024-11-28 05:08:00,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:08:00,641 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 45 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:00,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 206 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:08:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-28 05:08:00,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-11-28 05:08:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 192 states have (on average 1.4947916666666667) internal successors, (287), 243 states have internal predecessors, (287), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 337 transitions. [2024-11-28 05:08:00,659 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 337 transitions. Word has length 60 [2024-11-28 05:08:00,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:00,659 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 337 transitions. [2024-11-28 05:08:00,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 05:08:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 337 transitions. [2024-11-28 05:08:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 05:08:00,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:00,660 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:00,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:08:00,661 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:00,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:00,662 INFO L85 PathProgramCache]: Analyzing trace with hash 266470676, now seen corresponding path program 1 times [2024-11-28 05:08:00,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:00,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850478516] [2024-11-28 05:08:00,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:00,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:00,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:00,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850478516] [2024-11-28 05:08:00,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850478516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:00,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:00,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:08:00,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34545206] [2024-11-28 05:08:00,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:00,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:08:00,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:00,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:08:00,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:08:00,821 INFO L87 Difference]: Start difference. First operand 271 states and 337 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 05:08:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:01,292 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2024-11-28 05:08:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:08:01,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-28 05:08:01,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:01,294 INFO L225 Difference]: With dead ends: 272 [2024-11-28 05:08:01,294 INFO L226 Difference]: Without dead ends: 271 [2024-11-28 05:08:01,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:01,295 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:01,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 161 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-28 05:08:01,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-11-28 05:08:01,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 192 states have (on average 1.4895833333333333) internal successors, (286), 243 states have internal predecessors, (286), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:01,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 336 transitions. [2024-11-28 05:08:01,311 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 336 transitions. Word has length 61 [2024-11-28 05:08:01,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:01,312 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 336 transitions. [2024-11-28 05:08:01,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 05:08:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 336 transitions. [2024-11-28 05:08:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 05:08:01,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:01,313 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:01,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 05:08:01,313 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:01,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:01,314 INFO L85 PathProgramCache]: Analyzing trace with hash 266456774, now seen corresponding path program 1 times [2024-11-28 05:08:01,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:01,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580700009] [2024-11-28 05:08:01,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:01,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:01,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:01,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580700009] [2024-11-28 05:08:01,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580700009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:01,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:01,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:08:01,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575522956] [2024-11-28 05:08:01,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:01,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:08:01,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:01,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:08:01,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:08:01,401 INFO L87 Difference]: Start difference. First operand 271 states and 336 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 05:08:01,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:01,796 INFO L93 Difference]: Finished difference Result 274 states and 339 transitions. [2024-11-28 05:08:01,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:08:01,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-28 05:08:01,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:01,799 INFO L225 Difference]: With dead ends: 274 [2024-11-28 05:08:01,800 INFO L226 Difference]: Without dead ends: 273 [2024-11-28 05:08:01,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:01,800 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:01,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 161 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:01,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-28 05:08:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-11-28 05:08:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 194 states have (on average 1.4845360824742269) internal successors, (288), 245 states have internal predecessors, (288), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 338 transitions. [2024-11-28 05:08:01,820 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 338 transitions. Word has length 61 [2024-11-28 05:08:01,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:01,821 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 338 transitions. [2024-11-28 05:08:01,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-28 05:08:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 338 transitions. [2024-11-28 05:08:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:08:01,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:01,822 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:01,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 05:08:01,822 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:01,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:01,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1328457983, now seen corresponding path program 1 times [2024-11-28 05:08:01,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:01,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355354777] [2024-11-28 05:08:01,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:01,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:01,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:01,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355354777] [2024-11-28 05:08:01,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355354777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:01,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:01,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:08:01,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788655565] [2024-11-28 05:08:01,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:01,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:08:01,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:01,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:08:01,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:08:01,938 INFO L87 Difference]: Start difference. First operand 273 states and 338 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:02,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:02,150 INFO L93 Difference]: Finished difference Result 330 states and 406 transitions. [2024-11-28 05:08:02,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:02,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2024-11-28 05:08:02,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:02,153 INFO L225 Difference]: With dead ends: 330 [2024-11-28 05:08:02,153 INFO L226 Difference]: Without dead ends: 326 [2024-11-28 05:08:02,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:08:02,154 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 43 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:02,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:08:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-28 05:08:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 283. [2024-11-28 05:08:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 204 states have (on average 1.4656862745098038) internal successors, (299), 255 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 349 transitions. [2024-11-28 05:08:02,174 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 349 transitions. Word has length 64 [2024-11-28 05:08:02,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:02,175 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 349 transitions. [2024-11-28 05:08:02,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 349 transitions. [2024-11-28 05:08:02,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 05:08:02,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:02,176 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:02,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 05:08:02,176 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:02,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:02,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1042838488, now seen corresponding path program 1 times [2024-11-28 05:08:02,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:02,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130140807] [2024-11-28 05:08:02,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:02,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:02,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670152218] [2024-11-28 05:08:02,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:02,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:02,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:02,209 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:02,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 05:08:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:02,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:08:02,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:02,461 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:02,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:02,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130140807] [2024-11-28 05:08:02,681 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:02,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670152218] [2024-11-28 05:08:02,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670152218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:02,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:02,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-28 05:08:02,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366937308] [2024-11-28 05:08:02,682 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:02,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:02,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:02,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:02,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:08:02,683 INFO L87 Difference]: Start difference. First operand 283 states and 349 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:03,101 INFO L93 Difference]: Finished difference Result 324 states and 400 transitions. [2024-11-28 05:08:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:03,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2024-11-28 05:08:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:03,104 INFO L225 Difference]: With dead ends: 324 [2024-11-28 05:08:03,104 INFO L226 Difference]: Without dead ends: 322 [2024-11-28 05:08:03,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:08:03,105 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:03,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 186 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:03,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-28 05:08:03,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 284. [2024-11-28 05:08:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 205 states have (on average 1.4585365853658536) internal successors, (299), 256 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 349 transitions. [2024-11-28 05:08:03,135 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 349 transitions. Word has length 66 [2024-11-28 05:08:03,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:03,135 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 349 transitions. [2024-11-28 05:08:03,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 349 transitions. [2024-11-28 05:08:03,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:08:03,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:03,136 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:03,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:03,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:03,336 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:03,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:03,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2031745190, now seen corresponding path program 1 times [2024-11-28 05:08:03,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:03,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742686272] [2024-11-28 05:08:03,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:03,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:03,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657718858] [2024-11-28 05:08:03,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:03,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:03,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:03,362 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:03,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 05:08:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:03,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:08:03,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:03,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:03,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:03,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742686272] [2024-11-28 05:08:03,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:03,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657718858] [2024-11-28 05:08:03,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657718858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:03,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:03,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-28 05:08:03,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036622426] [2024-11-28 05:08:03,928 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:03,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:03,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:03,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:03,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:08:03,929 INFO L87 Difference]: Start difference. First operand 284 states and 349 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:04,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:04,331 INFO L93 Difference]: Finished difference Result 324 states and 398 transitions. [2024-11-28 05:08:04,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:04,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2024-11-28 05:08:04,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:04,333 INFO L225 Difference]: With dead ends: 324 [2024-11-28 05:08:04,333 INFO L226 Difference]: Without dead ends: 322 [2024-11-28 05:08:04,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:08:04,334 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:04,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 188 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:04,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-28 05:08:04,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 285. [2024-11-28 05:08:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 206 states have (on average 1.4514563106796117) internal successors, (299), 257 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 349 transitions. [2024-11-28 05:08:04,382 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 349 transitions. Word has length 67 [2024-11-28 05:08:04,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:04,382 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 349 transitions. [2024-11-28 05:08:04,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:04,383 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 349 transitions. [2024-11-28 05:08:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 05:08:04,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:04,383 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:04,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 05:08:04,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:04,584 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:04,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:04,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1253198940, now seen corresponding path program 1 times [2024-11-28 05:08:04,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:04,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978079402] [2024-11-28 05:08:04,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:04,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16747148] [2024-11-28 05:08:04,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:04,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:04,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:04,609 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:04,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 05:08:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:04,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:08:04,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-28 05:08:04,742 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:08:04,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:04,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978079402] [2024-11-28 05:08:04,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:04,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16747148] [2024-11-28 05:08:04,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16747148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:04,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:04,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:08:04,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629095959] [2024-11-28 05:08:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:04,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:04,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:04,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:04,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:04,744 INFO L87 Difference]: Start difference. First operand 285 states and 349 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:05,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:05,104 INFO L93 Difference]: Finished difference Result 337 states and 396 transitions. [2024-11-28 05:08:05,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:08:05,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2024-11-28 05:08:05,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:05,106 INFO L225 Difference]: With dead ends: 337 [2024-11-28 05:08:05,106 INFO L226 Difference]: Without dead ends: 336 [2024-11-28 05:08:05,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:05,107 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 109 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:05,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 166 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:08:05,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-28 05:08:05,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 285. [2024-11-28 05:08:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 257 states have internal predecessors, (298), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2024-11-28 05:08:05,129 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 70 [2024-11-28 05:08:05,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:05,129 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2024-11-28 05:08:05,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2024-11-28 05:08:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 05:08:05,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:05,131 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:05,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:05,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:05,332 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:05,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2050031118, now seen corresponding path program 1 times [2024-11-28 05:08:05,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:05,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382505786] [2024-11-28 05:08:05,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:05,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 05:08:05,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:05,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382505786] [2024-11-28 05:08:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382505786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:05,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905437257] [2024-11-28 05:08:05,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:05,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:05,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:05,509 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:05,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 05:08:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:05,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:08:05,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:08:05,848 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:08:05,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905437257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:05,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:05,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 05:08:05,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357459198] [2024-11-28 05:08:05,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:05,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:05,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:05,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:05,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:05,850 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 05:08:06,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:06,502 INFO L93 Difference]: Finished difference Result 321 states and 395 transitions. [2024-11-28 05:08:06,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:08:06,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-28 05:08:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:06,505 INFO L225 Difference]: With dead ends: 321 [2024-11-28 05:08:06,505 INFO L226 Difference]: Without dead ends: 320 [2024-11-28 05:08:06,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:08:06,507 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:06,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 135 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:08:06,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-28 05:08:06,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 286. [2024-11-28 05:08:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 207 states have (on average 1.4396135265700483) internal successors, (298), 258 states have internal predecessors, (298), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 348 transitions. [2024-11-28 05:08:06,528 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 348 transitions. Word has length 72 [2024-11-28 05:08:06,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:06,528 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 348 transitions. [2024-11-28 05:08:06,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 05:08:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 348 transitions. [2024-11-28 05:08:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 05:08:06,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:06,529 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:06,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:06,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:06,733 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:06,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:06,734 INFO L85 PathProgramCache]: Analyzing trace with hash 194461534, now seen corresponding path program 1 times [2024-11-28 05:08:06,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:06,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727608578] [2024-11-28 05:08:06,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:06,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695492054] [2024-11-28 05:08:06,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:06,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:06,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:06,763 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:06,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 05:08:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:06,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:08:06,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-28 05:08:07,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:08:07,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:07,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727608578] [2024-11-28 05:08:07,002 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:07,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695492054] [2024-11-28 05:08:07,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695492054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:07,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:07,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:08:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743142150] [2024-11-28 05:08:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:07,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:07,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:07,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:07,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:07,006 INFO L87 Difference]: Start difference. First operand 286 states and 348 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:07,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:07,472 INFO L93 Difference]: Finished difference Result 339 states and 393 transitions. [2024-11-28 05:08:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:08:07,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-11-28 05:08:07,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:07,474 INFO L225 Difference]: With dead ends: 339 [2024-11-28 05:08:07,474 INFO L226 Difference]: Without dead ends: 336 [2024-11-28 05:08:07,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:07,475 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 109 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:07,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 170 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:07,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-28 05:08:07,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 289. [2024-11-28 05:08:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 261 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 351 transitions. [2024-11-28 05:08:07,516 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 351 transitions. Word has length 71 [2024-11-28 05:08:07,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:07,516 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 351 transitions. [2024-11-28 05:08:07,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:08:07,516 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 351 transitions. [2024-11-28 05:08:07,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 05:08:07,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:07,518 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:07,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 05:08:07,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 05:08:07,719 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:07,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:07,719 INFO L85 PathProgramCache]: Analyzing trace with hash -873544638, now seen corresponding path program 1 times [2024-11-28 05:08:07,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:07,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123277608] [2024-11-28 05:08:07,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:07,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 05:08:07,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:07,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123277608] [2024-11-28 05:08:07,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123277608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:07,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889971492] [2024-11-28 05:08:07,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:07,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:07,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:07,906 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:07,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 05:08:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:07,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:08:07,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:08:08,236 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:08:08,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889971492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:08,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:08,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 05:08:08,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682054488] [2024-11-28 05:08:08,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:08,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:08,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:08,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:08,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:08,238 INFO L87 Difference]: Start difference. First operand 289 states and 351 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 05:08:08,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:08,817 INFO L93 Difference]: Finished difference Result 321 states and 390 transitions. [2024-11-28 05:08:08,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:08:08,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-28 05:08:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:08,820 INFO L225 Difference]: With dead ends: 321 [2024-11-28 05:08:08,820 INFO L226 Difference]: Without dead ends: 320 [2024-11-28 05:08:08,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:08:08,821 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:08,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 143 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:08:08,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-28 05:08:08,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 290. [2024-11-28 05:08:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4265402843601895) internal successors, (301), 262 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:08:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 351 transitions. [2024-11-28 05:08:08,840 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 351 transitions. Word has length 73 [2024-11-28 05:08:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:08,840 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 351 transitions. [2024-11-28 05:08:08,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 05:08:08,841 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 351 transitions. [2024-11-28 05:08:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 05:08:08,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:08,842 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:08,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-28 05:08:09,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-28 05:08:09,043 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:09,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:09,043 INFO L85 PathProgramCache]: Analyzing trace with hash 978192934, now seen corresponding path program 1 times [2024-11-28 05:08:09,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:09,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186955233] [2024-11-28 05:08:09,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:09,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:09,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920440842] [2024-11-28 05:08:09,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:09,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:09,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:09,062 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:09,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 05:08:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:09,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:08:09,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:09,588 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:09,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:11,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:11,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186955233] [2024-11-28 05:08:11,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:11,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920440842] [2024-11-28 05:08:11,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920440842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:11,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:11,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:08:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407954498] [2024-11-28 05:08:11,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:11,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:08:11,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:11,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:08:11,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=101, Unknown=1, NotChecked=0, Total=132 [2024-11-28 05:08:11,836 INFO L87 Difference]: Start difference. First operand 290 states and 351 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:12,904 INFO L93 Difference]: Finished difference Result 452 states and 581 transitions. [2024-11-28 05:08:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:08:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 77 [2024-11-28 05:08:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:12,907 INFO L225 Difference]: With dead ends: 452 [2024-11-28 05:08:12,907 INFO L226 Difference]: Without dead ends: 450 [2024-11-28 05:08:12,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=55, Invalid=154, Unknown=1, NotChecked=0, Total=210 [2024-11-28 05:08:12,908 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 415 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:12,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 366 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:08:12,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-28 05:08:12,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 358. [2024-11-28 05:08:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 271 states have (on average 1.4649446494464944) internal successors, (397), 322 states have internal predecessors, (397), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 05:08:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 463 transitions. [2024-11-28 05:08:12,936 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 463 transitions. Word has length 77 [2024-11-28 05:08:12,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:12,936 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 463 transitions. [2024-11-28 05:08:12,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 463 transitions. [2024-11-28 05:08:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 05:08:12,937 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:12,937 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:12,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:13,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 05:08:13,142 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:13,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:13,142 INFO L85 PathProgramCache]: Analyzing trace with hash 259209945, now seen corresponding path program 1 times [2024-11-28 05:08:13,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:13,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086966953] [2024-11-28 05:08:13,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:13,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822690458] [2024-11-28 05:08:13,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:13,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:13,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:13,169 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:13,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 05:08:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:13,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:08:13,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:13,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:16,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:16,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086966953] [2024-11-28 05:08:16,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:16,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822690458] [2024-11-28 05:08:16,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822690458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:16,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:16,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:08:16,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206602636] [2024-11-28 05:08:16,297 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:16,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:08:16,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:16,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:08:16,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=101, Unknown=1, NotChecked=0, Total=132 [2024-11-28 05:08:16,298 INFO L87 Difference]: Start difference. First operand 358 states and 463 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:17,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:17,753 INFO L93 Difference]: Finished difference Result 471 states and 610 transitions. [2024-11-28 05:08:17,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:08:17,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 78 [2024-11-28 05:08:17,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:17,756 INFO L225 Difference]: With dead ends: 471 [2024-11-28 05:08:17,756 INFO L226 Difference]: Without dead ends: 464 [2024-11-28 05:08:17,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=97, Invalid=244, Unknown=1, NotChecked=0, Total=342 [2024-11-28 05:08:17,757 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 426 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:17,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 361 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 05:08:17,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-28 05:08:17,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 417. [2024-11-28 05:08:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 324 states have (on average 1.4969135802469136) internal successors, (485), 375 states have internal predecessors, (485), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 05:08:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 563 transitions. [2024-11-28 05:08:17,797 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 563 transitions. Word has length 78 [2024-11-28 05:08:17,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:17,798 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 563 transitions. [2024-11-28 05:08:17,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:17,798 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 563 transitions. [2024-11-28 05:08:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 05:08:17,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:17,799 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:17,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 05:08:18,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 05:08:18,004 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:18,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:18,004 INFO L85 PathProgramCache]: Analyzing trace with hash -554426232, now seen corresponding path program 1 times [2024-11-28 05:08:18,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:18,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695438211] [2024-11-28 05:08:18,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:18,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:18,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55881823] [2024-11-28 05:08:18,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:18,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:18,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:18,025 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:18,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 05:08:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:18,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:08:18,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:18,604 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:18,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:18,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695438211] [2024-11-28 05:08:18,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:18,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55881823] [2024-11-28 05:08:18,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55881823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:18,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:18,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:08:18,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59513740] [2024-11-28 05:08:18,772 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:18,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:08:18,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:18,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:08:18,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:08:18,773 INFO L87 Difference]: Start difference. First operand 417 states and 563 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:19,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:19,660 INFO L93 Difference]: Finished difference Result 463 states and 596 transitions. [2024-11-28 05:08:19,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:08:19,660 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-11-28 05:08:19,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:19,662 INFO L225 Difference]: With dead ends: 463 [2024-11-28 05:08:19,662 INFO L226 Difference]: Without dead ends: 457 [2024-11-28 05:08:19,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:08:19,663 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 443 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:19,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 246 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:08:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-28 05:08:19,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 415. [2024-11-28 05:08:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 322 states have (on average 1.4565217391304348) internal successors, (469), 373 states have internal predecessors, (469), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 05:08:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 547 transitions. [2024-11-28 05:08:19,695 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 547 transitions. Word has length 79 [2024-11-28 05:08:19,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:19,695 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 547 transitions. [2024-11-28 05:08:19,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 547 transitions. [2024-11-28 05:08:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 05:08:19,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:19,697 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:19,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:19,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 05:08:19,901 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:19,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:19,902 INFO L85 PathProgramCache]: Analyzing trace with hash -7343941, now seen corresponding path program 1 times [2024-11-28 05:08:19,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:19,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603666562] [2024-11-28 05:08:19,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:19,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:19,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571542614] [2024-11-28 05:08:19,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:19,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:19,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:19,921 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:19,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 05:08:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:19,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:08:19,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:20,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:20,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:20,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603666562] [2024-11-28 05:08:20,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:20,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571542614] [2024-11-28 05:08:20,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571542614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:20,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:20,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:08:20,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191322492] [2024-11-28 05:08:20,927 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:20,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:08:20,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:20,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:08:20,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:08:20,929 INFO L87 Difference]: Start difference. First operand 415 states and 547 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:21,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:21,863 INFO L93 Difference]: Finished difference Result 516 states and 681 transitions. [2024-11-28 05:08:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:08:21,864 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2024-11-28 05:08:21,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:21,866 INFO L225 Difference]: With dead ends: 516 [2024-11-28 05:08:21,866 INFO L226 Difference]: Without dead ends: 514 [2024-11-28 05:08:21,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:08:21,867 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 470 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:21,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 256 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:08:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-28 05:08:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 449. [2024-11-28 05:08:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 352 states have (on average 1.4517045454545454) internal successors, (511), 403 states have internal predecessors, (511), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-28 05:08:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 597 transitions. [2024-11-28 05:08:21,902 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 597 transitions. Word has length 80 [2024-11-28 05:08:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:21,903 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 597 transitions. [2024-11-28 05:08:21,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 05:08:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 597 transitions. [2024-11-28 05:08:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 05:08:21,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:21,904 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:21,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-28 05:08:22,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 05:08:22,105 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:22,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:22,105 INFO L85 PathProgramCache]: Analyzing trace with hash -227662102, now seen corresponding path program 1 times [2024-11-28 05:08:22,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:22,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414767030] [2024-11-28 05:08:22,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:22,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:22,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148013656] [2024-11-28 05:08:22,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:22,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:22,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:22,126 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:22,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 05:08:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:22,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 05:08:22,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 05:08:23,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 05:08:23,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414767030] [2024-11-28 05:08:23,441 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148013656] [2024-11-28 05:08:23,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148013656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:23,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:23,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2024-11-28 05:08:23,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730549315] [2024-11-28 05:08:23,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:23,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:08:23,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:23,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:08:23,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:08:23,443 INFO L87 Difference]: Start difference. First operand 449 states and 597 transitions. Second operand has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 05:08:25,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:25,771 INFO L93 Difference]: Finished difference Result 567 states and 766 transitions. [2024-11-28 05:08:25,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:08:25,772 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 81 [2024-11-28 05:08:25,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:25,774 INFO L225 Difference]: With dead ends: 567 [2024-11-28 05:08:25,774 INFO L226 Difference]: Without dead ends: 561 [2024-11-28 05:08:25,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:08:25,775 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 721 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:25,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 276 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 05:08:25,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-28 05:08:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 519. [2024-11-28 05:08:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 418 states have (on average 1.4162679425837321) internal successors, (592), 468 states have internal predecessors, (592), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-28 05:08:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 688 transitions. [2024-11-28 05:08:25,821 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 688 transitions. Word has length 81 [2024-11-28 05:08:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:25,822 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 688 transitions. [2024-11-28 05:08:25,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 05:08:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 688 transitions. [2024-11-28 05:08:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 05:08:25,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:25,823 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:25,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:26,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 05:08:26,027 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:26,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:26,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1351580398, now seen corresponding path program 1 times [2024-11-28 05:08:26,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:26,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997186527] [2024-11-28 05:08:26,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:26,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1214754257] [2024-11-28 05:08:26,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:26,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:26,045 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:26,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 05:08:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:26,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:08:26,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 05:08:26,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:26,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:26,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997186527] [2024-11-28 05:08:26,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:26,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214754257] [2024-11-28 05:08:26,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214754257] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:26,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:26,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 05:08:26,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975625735] [2024-11-28 05:08:26,844 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:26,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:08:26,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:26,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:08:26,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:08:26,846 INFO L87 Difference]: Start difference. First operand 519 states and 688 transitions. Second operand has 10 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 05:08:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:27,868 INFO L93 Difference]: Finished difference Result 653 states and 880 transitions. [2024-11-28 05:08:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:08:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 88 [2024-11-28 05:08:27,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:27,871 INFO L225 Difference]: With dead ends: 653 [2024-11-28 05:08:27,872 INFO L226 Difference]: Without dead ends: 651 [2024-11-28 05:08:27,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:08:27,873 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 260 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:27,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 397 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:08:27,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-28 05:08:27,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 620. [2024-11-28 05:08:27,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 508 states have (on average 1.4409448818897639) internal successors, (732), 558 states have internal predecessors, (732), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-28 05:08:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 850 transitions. [2024-11-28 05:08:27,929 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 850 transitions. Word has length 88 [2024-11-28 05:08:27,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:27,929 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 850 transitions. [2024-11-28 05:08:27,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 05:08:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 850 transitions. [2024-11-28 05:08:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 05:08:27,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:27,931 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:27,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:28,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:28,131 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:28,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1050680546, now seen corresponding path program 1 times [2024-11-28 05:08:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:28,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893908525] [2024-11-28 05:08:28,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:28,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:28,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843595250] [2024-11-28 05:08:28,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:28,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:28,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:28,156 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:28,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 05:08:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:28,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:08:28,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 05:08:28,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:29,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:29,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893908525] [2024-11-28 05:08:29,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:29,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843595250] [2024-11-28 05:08:29,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843595250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:29,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:29,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 05:08:29,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639121131] [2024-11-28 05:08:29,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:29,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:08:29,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:29,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:08:29,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:08:29,181 INFO L87 Difference]: Start difference. First operand 620 states and 850 transitions. Second operand has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 05:08:30,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:30,341 INFO L93 Difference]: Finished difference Result 655 states and 883 transitions. [2024-11-28 05:08:30,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:08:30,341 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 89 [2024-11-28 05:08:30,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:30,344 INFO L225 Difference]: With dead ends: 655 [2024-11-28 05:08:30,344 INFO L226 Difference]: Without dead ends: 648 [2024-11-28 05:08:30,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:08:30,345 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 575 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:30,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 326 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:08:30,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-28 05:08:30,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 614. [2024-11-28 05:08:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 508 states have (on average 1.4074803149606299) internal successors, (715), 552 states have internal predecessors, (715), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-28 05:08:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 833 transitions. [2024-11-28 05:08:30,387 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 833 transitions. Word has length 89 [2024-11-28 05:08:30,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:30,387 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 833 transitions. [2024-11-28 05:08:30,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 05:08:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 833 transitions. [2024-11-28 05:08:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 05:08:30,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:30,389 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:30,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:30,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-28 05:08:30,593 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:30,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:30,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1788641520, now seen corresponding path program 1 times [2024-11-28 05:08:30,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:30,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422503901] [2024-11-28 05:08:30,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:30,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:30,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1424162755] [2024-11-28 05:08:30,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:30,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:30,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:30,615 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:30,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 05:08:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:30,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:08:30,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 05:08:31,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:31,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:31,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422503901] [2024-11-28 05:08:31,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:31,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424162755] [2024-11-28 05:08:31,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424162755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:31,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:31,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:08:31,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242752509] [2024-11-28 05:08:31,186 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:31,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:08:31,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:31,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:08:31,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:31,187 INFO L87 Difference]: Start difference. First operand 614 states and 833 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 05:08:31,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:31,482 INFO L93 Difference]: Finished difference Result 614 states and 833 transitions. [2024-11-28 05:08:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:08:31,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 90 [2024-11-28 05:08:31,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:31,485 INFO L225 Difference]: With dead ends: 614 [2024-11-28 05:08:31,485 INFO L226 Difference]: Without dead ends: 608 [2024-11-28 05:08:31,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:31,486 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 101 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:31,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 167 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:08:31,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-28 05:08:31,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 535. [2024-11-28 05:08:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 442 states have (on average 1.339366515837104) internal successors, (592), 480 states have internal predecessors, (592), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 05:08:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 696 transitions. [2024-11-28 05:08:31,551 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 696 transitions. Word has length 90 [2024-11-28 05:08:31,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:31,551 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 696 transitions. [2024-11-28 05:08:31,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 05:08:31,552 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 696 transitions. [2024-11-28 05:08:31,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 05:08:31,553 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:31,553 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:31,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:31,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 05:08:31,754 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:31,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:31,755 INFO L85 PathProgramCache]: Analyzing trace with hash -386687648, now seen corresponding path program 1 times [2024-11-28 05:08:31,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:31,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031940781] [2024-11-28 05:08:31,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:31,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1287313615] [2024-11-28 05:08:31,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:31,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:31,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:31,772 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:31,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 05:08:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:31,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:08:31,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 05:08:32,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:32,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:32,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031940781] [2024-11-28 05:08:32,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:32,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287313615] [2024-11-28 05:08:32,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287313615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:32,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:32,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:08:32,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537303368] [2024-11-28 05:08:32,549 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:32,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:08:32,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:32,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:08:32,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:32,550 INFO L87 Difference]: Start difference. First operand 535 states and 696 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 05:08:32,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:32,939 INFO L93 Difference]: Finished difference Result 639 states and 838 transitions. [2024-11-28 05:08:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:08:32,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 91 [2024-11-28 05:08:32,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:32,941 INFO L225 Difference]: With dead ends: 639 [2024-11-28 05:08:32,941 INFO L226 Difference]: Without dead ends: 637 [2024-11-28 05:08:32,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:32,942 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 227 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:32,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 263 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:08:32,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-28 05:08:32,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 589. [2024-11-28 05:08:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 490 states have (on average 1.3653061224489795) internal successors, (669), 528 states have internal predecessors, (669), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 05:08:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 785 transitions. [2024-11-28 05:08:33,001 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 785 transitions. Word has length 91 [2024-11-28 05:08:33,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:33,001 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 785 transitions. [2024-11-28 05:08:33,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 05:08:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 785 transitions. [2024-11-28 05:08:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 05:08:33,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:33,002 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:33,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:33,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-28 05:08:33,203 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:33,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:33,203 INFO L85 PathProgramCache]: Analyzing trace with hash 897584882, now seen corresponding path program 1 times [2024-11-28 05:08:33,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:33,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766517871] [2024-11-28 05:08:33,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:33,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:33,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116733177] [2024-11-28 05:08:33,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:33,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:33,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:33,223 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:33,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 05:08:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:33,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:08:33,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 05:08:33,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 05:08:34,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:34,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766517871] [2024-11-28 05:08:34,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:34,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116733177] [2024-11-28 05:08:34,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116733177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:34,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:34,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 05:08:34,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545811674] [2024-11-28 05:08:34,335 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:34,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:08:34,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:34,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:08:34,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:08:34,337 INFO L87 Difference]: Start difference. First operand 589 states and 785 transitions. Second operand has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 12 states have internal predecessors, (97), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 05:08:36,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:36,157 INFO L93 Difference]: Finished difference Result 662 states and 883 transitions. [2024-11-28 05:08:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 05:08:36,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 12 states have internal predecessors, (97), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 92 [2024-11-28 05:08:36,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:36,159 INFO L225 Difference]: With dead ends: 662 [2024-11-28 05:08:36,159 INFO L226 Difference]: Without dead ends: 631 [2024-11-28 05:08:36,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:08:36,160 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 671 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:36,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 198 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:08:36,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-28 05:08:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 610. [2024-11-28 05:08:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 511 states have (on average 1.3718199608610568) internal successors, (701), 548 states have internal predecessors, (701), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-28 05:08:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 819 transitions. [2024-11-28 05:08:36,233 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 819 transitions. Word has length 92 [2024-11-28 05:08:36,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:36,233 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 819 transitions. [2024-11-28 05:08:36,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.818181818181818) internal successors, (97), 12 states have internal predecessors, (97), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 05:08:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 819 transitions. [2024-11-28 05:08:36,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 05:08:36,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:36,234 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:36,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-28 05:08:36,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:36,435 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:36,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:36,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2055327650, now seen corresponding path program 1 times [2024-11-28 05:08:36,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:36,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190974923] [2024-11-28 05:08:36,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:36,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:36,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530739145] [2024-11-28 05:08:36,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:36,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:36,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:36,455 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:36,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-28 05:08:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:36,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 05:08:36,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 05:08:37,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 05:08:38,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:38,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190974923] [2024-11-28 05:08:38,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:38,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530739145] [2024-11-28 05:08:38,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530739145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:38,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:38,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-11-28 05:08:38,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662494181] [2024-11-28 05:08:38,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:38,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 05:08:38,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:38,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 05:08:38,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:08:38,062 INFO L87 Difference]: Start difference. First operand 610 states and 819 transitions. Second operand has 19 states, 16 states have (on average 6.8125) internal successors, (109), 15 states have internal predecessors, (109), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-28 05:08:41,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:41,628 INFO L93 Difference]: Finished difference Result 765 states and 1046 transitions. [2024-11-28 05:08:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:08:41,628 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.8125) internal successors, (109), 15 states have internal predecessors, (109), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) Word has length 93 [2024-11-28 05:08:41,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:41,631 INFO L225 Difference]: With dead ends: 765 [2024-11-28 05:08:41,631 INFO L226 Difference]: Without dead ends: 763 [2024-11-28 05:08:41,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:08:41,633 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 1105 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:41,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 401 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 05:08:41,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-28 05:08:41,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 676. [2024-11-28 05:08:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 572 states have (on average 1.3881118881118881) internal successors, (794), 608 states have internal predecessors, (794), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-28 05:08:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 924 transitions. [2024-11-28 05:08:41,701 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 924 transitions. Word has length 93 [2024-11-28 05:08:41,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:41,702 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 924 transitions. [2024-11-28 05:08:41,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.8125) internal successors, (109), 15 states have internal predecessors, (109), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-28 05:08:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 924 transitions. [2024-11-28 05:08:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 05:08:41,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:41,703 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:41,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-28 05:08:41,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:41,907 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:41,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:41,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1317502574, now seen corresponding path program 1 times [2024-11-28 05:08:41,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:41,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959160019] [2024-11-28 05:08:41,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:41,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:42,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:42,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959160019] [2024-11-28 05:08:42,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959160019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:42,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064385141] [2024-11-28 05:08:42,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:42,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:42,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:42,035 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:42,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-28 05:08:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:42,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:08:42,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:42,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:42,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064385141] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:42,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:08:42,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-28 05:08:42,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102044133] [2024-11-28 05:08:42,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:42,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:08:42,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:42,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:08:42,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:08:42,565 INFO L87 Difference]: Start difference. First operand 676 states and 924 transitions. Second operand has 13 states, 12 states have (on average 13.25) internal successors, (159), 13 states have internal predecessors, (159), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-28 05:08:43,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:43,883 INFO L93 Difference]: Finished difference Result 1237 states and 1687 transitions. [2024-11-28 05:08:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 05:08:43,884 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.25) internal successors, (159), 13 states have internal predecessors, (159), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 102 [2024-11-28 05:08:43,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:43,888 INFO L225 Difference]: With dead ends: 1237 [2024-11-28 05:08:43,888 INFO L226 Difference]: Without dead ends: 1236 [2024-11-28 05:08:43,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 05:08:43,889 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 703 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:43,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 660 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:08:43,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2024-11-28 05:08:43,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 930. [2024-11-28 05:08:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 800 states have (on average 1.44625) internal successors, (1157), 836 states have internal predecessors, (1157), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-28 05:08:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1339 transitions. [2024-11-28 05:08:43,995 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1339 transitions. Word has length 102 [2024-11-28 05:08:43,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:43,995 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1339 transitions. [2024-11-28 05:08:43,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.25) internal successors, (159), 13 states have internal predecessors, (159), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-28 05:08:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1339 transitions. [2024-11-28 05:08:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 05:08:43,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:43,997 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:44,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:44,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-28 05:08:44,197 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:44,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:44,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1383490030, now seen corresponding path program 1 times [2024-11-28 05:08:44,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:44,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529879750] [2024-11-28 05:08:44,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:44,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:44,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529879750] [2024-11-28 05:08:44,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529879750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:44,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852200437] [2024-11-28 05:08:44,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:44,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:44,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:44,304 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:44,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-28 05:08:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:44,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:08:44,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:44,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:44,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852200437] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:44,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:08:44,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-28 05:08:44,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202509895] [2024-11-28 05:08:44,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:44,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:08:44,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:44,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:08:44,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:08:44,696 INFO L87 Difference]: Start difference. First operand 930 states and 1339 transitions. Second operand has 14 states, 13 states have (on average 12.307692307692308) internal successors, (160), 14 states have internal predecessors, (160), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-28 05:08:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:45,614 INFO L93 Difference]: Finished difference Result 1212 states and 1694 transitions. [2024-11-28 05:08:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 05:08:45,615 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.307692307692308) internal successors, (160), 14 states have internal predecessors, (160), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 102 [2024-11-28 05:08:45,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:45,621 INFO L225 Difference]: With dead ends: 1212 [2024-11-28 05:08:45,621 INFO L226 Difference]: Without dead ends: 1211 [2024-11-28 05:08:45,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-28 05:08:45,623 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1377 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:45,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1377 Valid, 478 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:45,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-11-28 05:08:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 995. [2024-11-28 05:08:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 995 states, 858 states have (on average 1.4487179487179487) internal successors, (1243), 894 states have internal predecessors, (1243), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-28 05:08:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1439 transitions. [2024-11-28 05:08:45,749 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1439 transitions. Word has length 102 [2024-11-28 05:08:45,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:45,750 INFO L471 AbstractCegarLoop]: Abstraction has 995 states and 1439 transitions. [2024-11-28 05:08:45,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.307692307692308) internal successors, (160), 14 states have internal predecessors, (160), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-28 05:08:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1439 transitions. [2024-11-28 05:08:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 05:08:45,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:45,753 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:45,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-28 05:08:45,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-28 05:08:45,957 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:45,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:45,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2107524241, now seen corresponding path program 1 times [2024-11-28 05:08:45,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:45,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896126660] [2024-11-28 05:08:45,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:45,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:46,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:46,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896126660] [2024-11-28 05:08:46,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896126660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:46,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108633088] [2024-11-28 05:08:46,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:46,075 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:46,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-28 05:08:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:46,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:08:46,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:46,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:46,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108633088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:46,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:08:46,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-28 05:08:46,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804605841] [2024-11-28 05:08:46,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:46,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:08:46,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:46,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:08:46,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:46,507 INFO L87 Difference]: Start difference. First operand 995 states and 1439 transitions. Second operand has 8 states, 7 states have (on average 22.714285714285715) internal successors, (159), 8 states have internal predecessors, (159), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 05:08:47,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:47,236 INFO L93 Difference]: Finished difference Result 1531 states and 2218 transitions. [2024-11-28 05:08:47,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:08:47,236 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 22.714285714285715) internal successors, (159), 8 states have internal predecessors, (159), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 103 [2024-11-28 05:08:47,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:47,242 INFO L225 Difference]: With dead ends: 1531 [2024-11-28 05:08:47,242 INFO L226 Difference]: Without dead ends: 1529 [2024-11-28 05:08:47,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:47,244 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 292 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:47,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 328 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:08:47,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-11-28 05:08:47,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1261. [2024-11-28 05:08:47,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1097 states have (on average 1.4612579762989972) internal successors, (1603), 1133 states have internal predecessors, (1603), 125 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2024-11-28 05:08:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1853 transitions. [2024-11-28 05:08:47,368 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1853 transitions. Word has length 103 [2024-11-28 05:08:47,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:47,368 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1853 transitions. [2024-11-28 05:08:47,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 22.714285714285715) internal successors, (159), 8 states have internal predecessors, (159), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 05:08:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1853 transitions. [2024-11-28 05:08:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 05:08:47,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:47,370 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:47,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-28 05:08:47,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-28 05:08:47,573 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:47,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash 631255205, now seen corresponding path program 1 times [2024-11-28 05:08:47,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:47,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507825370] [2024-11-28 05:08:47,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:47,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:47,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:47,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507825370] [2024-11-28 05:08:47,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507825370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:47,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492370471] [2024-11-28 05:08:47,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:47,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:47,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:47,679 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:47,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-28 05:08:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:47,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:08:47,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:47,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:48,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492370471] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:48,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:08:48,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-28 05:08:48,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285532096] [2024-11-28 05:08:48,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:48,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:08:48,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:48,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:08:48,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:48,101 INFO L87 Difference]: Start difference. First operand 1261 states and 1853 transitions. Second operand has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 05:08:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:48,792 INFO L93 Difference]: Finished difference Result 1798 states and 2645 transitions. [2024-11-28 05:08:48,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:08:48,793 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 105 [2024-11-28 05:08:48,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:48,800 INFO L225 Difference]: With dead ends: 1798 [2024-11-28 05:08:48,800 INFO L226 Difference]: Without dead ends: 1796 [2024-11-28 05:08:48,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:48,801 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 372 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:48,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 282 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:08:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2024-11-28 05:08:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1449. [2024-11-28 05:08:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1266 states have (on average 1.4565560821484993) internal successors, (1844), 1302 states have internal predecessors, (1844), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 05:08:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 2132 transitions. [2024-11-28 05:08:48,964 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 2132 transitions. Word has length 105 [2024-11-28 05:08:48,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:48,965 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 2132 transitions. [2024-11-28 05:08:48,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 05:08:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 2132 transitions. [2024-11-28 05:08:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 05:08:48,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:48,966 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:48,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-28 05:08:49,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-28 05:08:49,170 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:49,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:49,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1720305254, now seen corresponding path program 1 times [2024-11-28 05:08:49,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:49,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175086297] [2024-11-28 05:08:49,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:49,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:49,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683953562] [2024-11-28 05:08:49,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:49,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:49,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:49,194 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:49,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-28 05:08:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:49,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:08:49,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:49,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:49,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:49,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175086297] [2024-11-28 05:08:49,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:49,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683953562] [2024-11-28 05:08:49,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683953562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:49,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:49,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 05:08:49,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037731323] [2024-11-28 05:08:49,720 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:49,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:08:49,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:49,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:08:49,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:49,721 INFO L87 Difference]: Start difference. First operand 1449 states and 2132 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:50,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:50,530 INFO L93 Difference]: Finished difference Result 1547 states and 2265 transitions. [2024-11-28 05:08:50,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:08:50,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 107 [2024-11-28 05:08:50,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:50,536 INFO L225 Difference]: With dead ends: 1547 [2024-11-28 05:08:50,536 INFO L226 Difference]: Without dead ends: 1543 [2024-11-28 05:08:50,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:08:50,537 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 200 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:50,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 259 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:08:50,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2024-11-28 05:08:50,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1445. [2024-11-28 05:08:50,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1266 states have (on average 1.3996840442338072) internal successors, (1772), 1298 states have internal predecessors, (1772), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 05:08:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 2060 transitions. [2024-11-28 05:08:50,708 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 2060 transitions. Word has length 107 [2024-11-28 05:08:50,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:50,708 INFO L471 AbstractCegarLoop]: Abstraction has 1445 states and 2060 transitions. [2024-11-28 05:08:50,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2060 transitions. [2024-11-28 05:08:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 05:08:50,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:50,709 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:50,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-28 05:08:50,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-28 05:08:50,909 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:50,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:50,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1789855272, now seen corresponding path program 1 times [2024-11-28 05:08:50,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:50,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541794687] [2024-11-28 05:08:50,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:50,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:50,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [225326286] [2024-11-28 05:08:50,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:50,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:50,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:50,928 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:50,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-28 05:08:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:50,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:08:50,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:51,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:51,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:51,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541794687] [2024-11-28 05:08:51,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:51,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225326286] [2024-11-28 05:08:51,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225326286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:51,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:51,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 05:08:51,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127902432] [2024-11-28 05:08:51,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:51,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:08:51,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:51,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:08:51,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:51,510 INFO L87 Difference]: Start difference. First operand 1445 states and 2060 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:52,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:52,024 INFO L93 Difference]: Finished difference Result 1503 states and 2131 transitions. [2024-11-28 05:08:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:08:52,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 108 [2024-11-28 05:08:52,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:52,028 INFO L225 Difference]: With dead ends: 1503 [2024-11-28 05:08:52,028 INFO L226 Difference]: Without dead ends: 1499 [2024-11-28 05:08:52,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:52,029 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 145 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:52,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 224 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2024-11-28 05:08:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1453. [2024-11-28 05:08:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1273 states have (on average 1.4006284367635506) internal successors, (1783), 1305 states have internal predecessors, (1783), 145 states have call successors, (145), 2 states have call predecessors, (145), 2 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-28 05:08:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2073 transitions. [2024-11-28 05:08:52,202 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2073 transitions. Word has length 108 [2024-11-28 05:08:52,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:52,202 INFO L471 AbstractCegarLoop]: Abstraction has 1453 states and 2073 transitions. [2024-11-28 05:08:52,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2073 transitions. [2024-11-28 05:08:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 05:08:52,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:52,203 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:52,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:52,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-28 05:08:52,403 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:52,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:52,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1406392500, now seen corresponding path program 2 times [2024-11-28 05:08:52,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:52,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760997520] [2024-11-28 05:08:52,404 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:08:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:52,421 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:08:52,423 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:08:52,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804072207] [2024-11-28 05:08:52,424 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:08:52,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:52,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:52,426 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:52,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-28 05:08:52,490 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:08:52,491 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:08:52,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:08:52,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:52,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:53,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:53,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760997520] [2024-11-28 05:08:53,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:53,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804072207] [2024-11-28 05:08:53,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804072207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:53,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:53,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 05:08:53,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38381354] [2024-11-28 05:08:53,067 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:53,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:08:53,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:53,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:08:53,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:53,068 INFO L87 Difference]: Start difference. First operand 1453 states and 2073 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:53,620 INFO L93 Difference]: Finished difference Result 1522 states and 2157 transitions. [2024-11-28 05:08:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:08:53,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 108 [2024-11-28 05:08:53,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:53,626 INFO L225 Difference]: With dead ends: 1522 [2024-11-28 05:08:53,626 INFO L226 Difference]: Without dead ends: 1520 [2024-11-28 05:08:53,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:08:53,627 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 95 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:53,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 243 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:08:53,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2024-11-28 05:08:53,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1469. [2024-11-28 05:08:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1287 states have (on average 1.3978243978243978) internal successors, (1799), 1319 states have internal predecessors, (1799), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-28 05:08:53,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2093 transitions. [2024-11-28 05:08:53,793 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2093 transitions. Word has length 108 [2024-11-28 05:08:53,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:53,794 INFO L471 AbstractCegarLoop]: Abstraction has 1469 states and 2093 transitions. [2024-11-28 05:08:53,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2093 transitions. [2024-11-28 05:08:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 05:08:53,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:53,795 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:53,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:53,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:53,999 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:54,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:54,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2063996326, now seen corresponding path program 1 times [2024-11-28 05:08:54,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:54,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303693901] [2024-11-28 05:08:54,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:54,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:54,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636930442] [2024-11-28 05:08:54,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:54,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:54,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:54,021 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:54,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-28 05:08:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:54,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:08:54,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:54,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:54,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:54,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303693901] [2024-11-28 05:08:54,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:54,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636930442] [2024-11-28 05:08:54,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636930442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:54,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:54,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 05:08:54,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714072590] [2024-11-28 05:08:54,804 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:54,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:08:54,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:54,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:08:54,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:08:54,805 INFO L87 Difference]: Start difference. First operand 1469 states and 2093 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:55,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:55,563 INFO L93 Difference]: Finished difference Result 1504 states and 2133 transitions. [2024-11-28 05:08:55,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:08:55,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-11-28 05:08:55,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:55,570 INFO L225 Difference]: With dead ends: 1504 [2024-11-28 05:08:55,570 INFO L226 Difference]: Without dead ends: 1502 [2024-11-28 05:08:55,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:08:55,571 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 89 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:55,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 237 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:08:55,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-28 05:08:55,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1469. [2024-11-28 05:08:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1287 states have (on average 1.3962703962703962) internal successors, (1797), 1319 states have internal predecessors, (1797), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-28 05:08:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2091 transitions. [2024-11-28 05:08:55,704 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2091 transitions. Word has length 110 [2024-11-28 05:08:55,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:55,704 INFO L471 AbstractCegarLoop]: Abstraction has 1469 states and 2091 transitions. [2024-11-28 05:08:55,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:08:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2091 transitions. [2024-11-28 05:08:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 05:08:55,705 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:55,705 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:55,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:55,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:55,906 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:08:55,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1371504074, now seen corresponding path program 2 times [2024-11-28 05:08:55,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:55,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37072057] [2024-11-28 05:08:55,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:08:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:55,921 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:08:55,921 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:08:55,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1719831202] [2024-11-28 05:08:55,922 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:08:55,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:55,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:55,926 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:55,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-28 05:08:55,988 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:08:55,989 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:08:55,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:08:55,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:56,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:08:57,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37072057] [2024-11-28 05:08:57,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719831202] [2024-11-28 05:08:57,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719831202] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:57,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:57,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-28 05:08:57,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136417068] [2024-11-28 05:08:57,106 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:57,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:08:57,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:57,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:08:57,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:08:57,107 INFO L87 Difference]: Start difference. First operand 1469 states and 2091 transitions. Second operand has 9 states, 8 states have (on average 15.375) internal successors, (123), 9 states have internal predecessors, (123), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:09:00,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:00,454 INFO L93 Difference]: Finished difference Result 1547 states and 2187 transitions. [2024-11-28 05:09:00,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:09:00,454 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.375) internal successors, (123), 9 states have internal predecessors, (123), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 110 [2024-11-28 05:09:00,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:00,460 INFO L225 Difference]: With dead ends: 1547 [2024-11-28 05:09:00,460 INFO L226 Difference]: Without dead ends: 1545 [2024-11-28 05:09:00,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:09:00,461 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 330 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:00,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 432 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-28 05:09:00,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-11-28 05:09:00,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1478. [2024-11-28 05:09:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1297 states have (on average 1.3901310717039321) internal successors, (1803), 1328 states have internal predecessors, (1803), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-28 05:09:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2097 transitions. [2024-11-28 05:09:00,597 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2097 transitions. Word has length 110 [2024-11-28 05:09:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:00,597 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 2097 transitions. [2024-11-28 05:09:00,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.375) internal successors, (123), 9 states have internal predecessors, (123), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:09:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2097 transitions. [2024-11-28 05:09:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 05:09:00,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:00,598 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:00,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-28 05:09:00,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:00,799 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:00,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:00,800 INFO L85 PathProgramCache]: Analyzing trace with hash 440623390, now seen corresponding path program 1 times [2024-11-28 05:09:00,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:00,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951428848] [2024-11-28 05:09:00,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:00,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:00,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [274315000] [2024-11-28 05:09:00,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:00,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:00,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:00,824 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:00,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-28 05:09:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:00,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:09:00,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:09:01,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-28 05:09:01,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951428848] [2024-11-28 05:09:01,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274315000] [2024-11-28 05:09:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274315000] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:01,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:01,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 05:09:01,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845550470] [2024-11-28 05:09:01,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:01,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:09:01,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:01,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:09:01,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:09:01,678 INFO L87 Difference]: Start difference. First operand 1478 states and 2097 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:09:02,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:02,297 INFO L93 Difference]: Finished difference Result 1478 states and 2097 transitions. [2024-11-28 05:09:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:09:02,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 111 [2024-11-28 05:09:02,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:02,309 INFO L225 Difference]: With dead ends: 1478 [2024-11-28 05:09:02,309 INFO L226 Difference]: Without dead ends: 1477 [2024-11-28 05:09:02,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 211 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:09:02,310 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 82 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:02,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 132 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:09:02,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2024-11-28 05:09:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1477. [2024-11-28 05:09:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1297 states have (on average 1.3646877409406322) internal successors, (1770), 1327 states have internal predecessors, (1770), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-28 05:09:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2064 transitions. [2024-11-28 05:09:02,496 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2064 transitions. Word has length 111 [2024-11-28 05:09:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:02,497 INFO L471 AbstractCegarLoop]: Abstraction has 1477 states and 2064 transitions. [2024-11-28 05:09:02,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:09:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2064 transitions. [2024-11-28 05:09:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 05:09:02,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:02,498 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:02,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-28 05:09:02,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-28 05:09:02,702 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:02,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:02,703 INFO L85 PathProgramCache]: Analyzing trace with hash 774423260, now seen corresponding path program 1 times [2024-11-28 05:09:02,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:02,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533695073] [2024-11-28 05:09:02,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:02,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:02,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252310866] [2024-11-28 05:09:02,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:02,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:02,718 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:02,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-28 05:09:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:02,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:09:02,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 05:09:03,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-28 05:09:03,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:03,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533695073] [2024-11-28 05:09:03,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:03,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252310866] [2024-11-28 05:09:03,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252310866] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:03,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:03,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 05:09:03,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497993552] [2024-11-28 05:09:03,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:03,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:09:03,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:03,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:09:03,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:09:03,714 INFO L87 Difference]: Start difference. First operand 1477 states and 2064 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:09:05,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:05,404 INFO L93 Difference]: Finished difference Result 1477 states and 2064 transitions. [2024-11-28 05:09:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:09:05,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 112 [2024-11-28 05:09:05,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:05,409 INFO L225 Difference]: With dead ends: 1477 [2024-11-28 05:09:05,409 INFO L226 Difference]: Without dead ends: 1474 [2024-11-28 05:09:05,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:09:05,410 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 82 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:05,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 132 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:09:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2024-11-28 05:09:05,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1471. [2024-11-28 05:09:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1294 states have (on average 1.3346213292117466) internal successors, (1727), 1321 states have internal predecessors, (1727), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-28 05:09:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2021 transitions. [2024-11-28 05:09:05,562 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2021 transitions. Word has length 112 [2024-11-28 05:09:05,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:05,562 INFO L471 AbstractCegarLoop]: Abstraction has 1471 states and 2021 transitions. [2024-11-28 05:09:05,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 05:09:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2021 transitions. [2024-11-28 05:09:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 05:09:05,563 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:05,563 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:05,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-28 05:09:05,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-28 05:09:05,768 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:05,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash -137235212, now seen corresponding path program 1 times [2024-11-28 05:09:05,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:05,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249511835] [2024-11-28 05:09:05,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:05,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-28 05:09:05,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249511835] [2024-11-28 05:09:05,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249511835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:05,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378877921] [2024-11-28 05:09:05,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:05,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:05,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:05,917 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:05,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-28 05:09:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:05,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:09:05,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-28 05:09:06,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-28 05:09:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378877921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:06,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:09:06,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-28 05:09:06,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246798919] [2024-11-28 05:09:06,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:06,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:09:06,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:06,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:09:06,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:09:06,176 INFO L87 Difference]: Start difference. First operand 1471 states and 2021 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:09:07,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:07,245 INFO L93 Difference]: Finished difference Result 1473 states and 2023 transitions. [2024-11-28 05:09:07,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:09:07,248 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 113 [2024-11-28 05:09:07,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:07,252 INFO L225 Difference]: With dead ends: 1473 [2024-11-28 05:09:07,256 INFO L226 Difference]: Without dead ends: 1472 [2024-11-28 05:09:07,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:07,257 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:07,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 155 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:09:07,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2024-11-28 05:09:07,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1470. [2024-11-28 05:09:07,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1294 states have (on average 1.329984544049459) internal successors, (1721), 1320 states have internal predecessors, (1721), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-28 05:09:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 2015 transitions. [2024-11-28 05:09:07,436 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 2015 transitions. Word has length 113 [2024-11-28 05:09:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:07,437 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 2015 transitions. [2024-11-28 05:09:07,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:09:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 2015 transitions. [2024-11-28 05:09:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 05:09:07,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:07,438 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:07,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:07,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-28 05:09:07,638 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:07,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:07,639 INFO L85 PathProgramCache]: Analyzing trace with hash 40675868, now seen corresponding path program 1 times [2024-11-28 05:09:07,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:07,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054697543] [2024-11-28 05:09:07,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:07,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 05:09:07,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:07,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054697543] [2024-11-28 05:09:07,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054697543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:07,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:07,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:09:07,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580085072] [2024-11-28 05:09:07,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:07,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:09:07,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:07,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:09:07,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:09:07,734 INFO L87 Difference]: Start difference. First operand 1470 states and 2015 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 05:09:08,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:08,623 INFO L93 Difference]: Finished difference Result 1503 states and 2046 transitions. [2024-11-28 05:09:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:09:08,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 114 [2024-11-28 05:09:08,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:08,627 INFO L225 Difference]: With dead ends: 1503 [2024-11-28 05:09:08,627 INFO L226 Difference]: Without dead ends: 1502 [2024-11-28 05:09:08,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:08,628 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 143 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:08,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 197 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:09:08,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-28 05:09:08,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1458. [2024-11-28 05:09:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1284 states have (on average 1.3278816199376946) internal successors, (1705), 1309 states have internal predecessors, (1705), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-28 05:09:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1997 transitions. [2024-11-28 05:09:08,761 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1997 transitions. Word has length 114 [2024-11-28 05:09:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:08,762 INFO L471 AbstractCegarLoop]: Abstraction has 1458 states and 1997 transitions. [2024-11-28 05:09:08,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 05:09:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1997 transitions. [2024-11-28 05:09:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 05:09:08,763 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:08,763 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:08,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-28 05:09:08,763 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:08,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:08,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1402840306, now seen corresponding path program 1 times [2024-11-28 05:09:08,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:08,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848051886] [2024-11-28 05:09:08,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:08,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:08,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057867200] [2024-11-28 05:09:08,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:08,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:08,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:08,785 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:08,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-28 05:09:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:08,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 05:09:08,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 05:09:09,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:12,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:12,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848051886] [2024-11-28 05:09:12,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:12,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057867200] [2024-11-28 05:09:12,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057867200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:12,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:12,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 05:09:12,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204586274] [2024-11-28 05:09:12,092 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:12,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:09:12,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:12,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:09:12,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=130, Unknown=1, NotChecked=0, Total=182 [2024-11-28 05:09:12,093 INFO L87 Difference]: Start difference. First operand 1458 states and 1997 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 05:09:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:13,199 INFO L93 Difference]: Finished difference Result 1576 states and 2143 transitions. [2024-11-28 05:09:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:09:13,199 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 118 [2024-11-28 05:09:13,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:13,202 INFO L225 Difference]: With dead ends: 1576 [2024-11-28 05:09:13,203 INFO L226 Difference]: Without dead ends: 1574 [2024-11-28 05:09:13,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=72, Invalid=167, Unknown=1, NotChecked=0, Total=240 [2024-11-28 05:09:13,204 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 227 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:13,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 600 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:09:13,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2024-11-28 05:09:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1493. [2024-11-28 05:09:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1315 states have (on average 1.3277566539923955) internal successors, (1746), 1340 states have internal predecessors, (1746), 150 states have call successors, (150), 2 states have call predecessors, (150), 2 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 05:09:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2046 transitions. [2024-11-28 05:09:13,340 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2046 transitions. Word has length 118 [2024-11-28 05:09:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:13,341 INFO L471 AbstractCegarLoop]: Abstraction has 1493 states and 2046 transitions. [2024-11-28 05:09:13,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 05:09:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2046 transitions. [2024-11-28 05:09:13,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 05:09:13,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:13,342 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:13,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-28 05:09:13,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-28 05:09:13,546 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:13,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:13,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1856933120, now seen corresponding path program 2 times [2024-11-28 05:09:13,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:13,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303583297] [2024-11-28 05:09:13,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:13,567 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:13,571 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:13,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542615789] [2024-11-28 05:09:13,572 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:13,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:13,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:13,577 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:13,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-28 05:09:13,643 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:13,644 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:13,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:09:13,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 05:09:14,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:17,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303583297] [2024-11-28 05:09:17,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:17,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542615789] [2024-11-28 05:09:17,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542615789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:17,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:17,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 05:09:17,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957192765] [2024-11-28 05:09:17,182 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:17,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:09:17,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:17,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:09:17,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=139, Unknown=1, NotChecked=0, Total=182 [2024-11-28 05:09:17,183 INFO L87 Difference]: Start difference. First operand 1493 states and 2046 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-28 05:09:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:18,558 INFO L93 Difference]: Finished difference Result 1707 states and 2333 transitions. [2024-11-28 05:09:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:09:18,558 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) Word has length 118 [2024-11-28 05:09:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:18,562 INFO L225 Difference]: With dead ends: 1707 [2024-11-28 05:09:18,562 INFO L226 Difference]: Without dead ends: 1705 [2024-11-28 05:09:18,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=86, Invalid=255, Unknown=1, NotChecked=0, Total=342 [2024-11-28 05:09:18,563 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 403 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:18,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 440 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:09:18,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2024-11-28 05:09:18,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1613. [2024-11-28 05:09:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1613 states, 1421 states have (on average 1.3321604503870514) internal successors, (1893), 1446 states have internal predecessors, (1893), 164 states have call successors, (164), 2 states have call predecessors, (164), 2 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-28 05:09:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1613 states and 2221 transitions. [2024-11-28 05:09:18,807 INFO L78 Accepts]: Start accepts. Automaton has 1613 states and 2221 transitions. Word has length 118 [2024-11-28 05:09:18,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:18,807 INFO L471 AbstractCegarLoop]: Abstraction has 1613 states and 2221 transitions. [2024-11-28 05:09:18,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-28 05:09:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2221 transitions. [2024-11-28 05:09:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:09:18,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:18,808 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:18,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-28 05:09:19,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-28 05:09:19,012 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:19,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:19,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1983828591, now seen corresponding path program 1 times [2024-11-28 05:09:19,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:19,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919728390] [2024-11-28 05:09:19,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:19,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:19,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355648437] [2024-11-28 05:09:19,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:19,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:19,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:19,032 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:19,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-28 05:09:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:19,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:09:19,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 51 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 05:09:19,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:20,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:20,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919728390] [2024-11-28 05:09:20,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:20,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355648437] [2024-11-28 05:09:20,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355648437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:20,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:20,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:09:20,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288969963] [2024-11-28 05:09:20,099 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:20,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:09:20,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:20,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:09:20,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:09:20,100 INFO L87 Difference]: Start difference. First operand 1613 states and 2221 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 05:09:21,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:21,333 INFO L93 Difference]: Finished difference Result 1689 states and 2309 transitions. [2024-11-28 05:09:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:09:21,334 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 121 [2024-11-28 05:09:21,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:21,337 INFO L225 Difference]: With dead ends: 1689 [2024-11-28 05:09:21,337 INFO L226 Difference]: Without dead ends: 1687 [2024-11-28 05:09:21,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:09:21,338 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 232 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:21,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 461 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:09:21,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2024-11-28 05:09:21,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1608. [2024-11-28 05:09:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1417 states have (on average 1.3295695130557517) internal successors, (1884), 1442 states have internal predecessors, (1884), 163 states have call successors, (163), 2 states have call predecessors, (163), 2 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-28 05:09:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2210 transitions. [2024-11-28 05:09:21,545 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2210 transitions. Word has length 121 [2024-11-28 05:09:21,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:21,545 INFO L471 AbstractCegarLoop]: Abstraction has 1608 states and 2210 transitions. [2024-11-28 05:09:21,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 05:09:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2210 transitions. [2024-11-28 05:09:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 05:09:21,546 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:21,546 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:21,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-28 05:09:21,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:21,747 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:21,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1369144246, now seen corresponding path program 1 times [2024-11-28 05:09:21,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:21,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782041090] [2024-11-28 05:09:21,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:21,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076047123] [2024-11-28 05:09:21,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:21,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:21,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:21,773 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:21,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-28 05:09:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:21,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 05:09:21,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:22,257 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 23 proven. 24 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 05:09:22,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:22,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:22,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782041090] [2024-11-28 05:09:22,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:22,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076047123] [2024-11-28 05:09:22,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076047123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:22,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:22,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:09:22,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007715107] [2024-11-28 05:09:22,319 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:22,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:09:22,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:22,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:09:22,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:22,320 INFO L87 Difference]: Start difference. First operand 1608 states and 2210 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 05:09:23,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:23,894 INFO L93 Difference]: Finished difference Result 1854 states and 2544 transitions. [2024-11-28 05:09:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 05:09:23,895 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 122 [2024-11-28 05:09:23,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:23,898 INFO L225 Difference]: With dead ends: 1854 [2024-11-28 05:09:23,898 INFO L226 Difference]: Without dead ends: 1851 [2024-11-28 05:09:23,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:09:23,899 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 327 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:23,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 384 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 05:09:23,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2024-11-28 05:09:24,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1731. [2024-11-28 05:09:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1527 states have (on average 1.326784544859201) internal successors, (2026), 1552 states have internal predecessors, (2026), 176 states have call successors, (176), 2 states have call predecessors, (176), 2 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-28 05:09:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2378 transitions. [2024-11-28 05:09:24,158 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2378 transitions. Word has length 122 [2024-11-28 05:09:24,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:24,158 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2378 transitions. [2024-11-28 05:09:24,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 05:09:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2378 transitions. [2024-11-28 05:09:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 05:09:24,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:24,160 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:24,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-28 05:09:24,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:24,360 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:24,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:24,361 INFO L85 PathProgramCache]: Analyzing trace with hash -506201263, now seen corresponding path program 1 times [2024-11-28 05:09:24,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:24,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808738963] [2024-11-28 05:09:24,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:24,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:24,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [172327387] [2024-11-28 05:09:24,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:24,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:24,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:24,384 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:24,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-28 05:09:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:24,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:09:24,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 05:09:25,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:25,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:25,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808738963] [2024-11-28 05:09:25,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:25,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172327387] [2024-11-28 05:09:25,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172327387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:25,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:25,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:09:25,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562729721] [2024-11-28 05:09:25,494 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:25,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:09:25,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:25,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:09:25,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:09:25,495 INFO L87 Difference]: Start difference. First operand 1731 states and 2378 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 05:09:27,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:27,921 INFO L93 Difference]: Finished difference Result 2733 states and 3810 transitions. [2024-11-28 05:09:27,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 05:09:27,922 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-11-28 05:09:27,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:27,929 INFO L225 Difference]: With dead ends: 2733 [2024-11-28 05:09:27,929 INFO L226 Difference]: Without dead ends: 2728 [2024-11-28 05:09:27,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:09:27,931 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 731 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:27,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 560 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 05:09:27,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2728 states. [2024-11-28 05:09:28,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2728 to 2326. [2024-11-28 05:09:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2326 states, 2060 states have (on average 1.337378640776699) internal successors, (2755), 2085 states have internal predecessors, (2755), 238 states have call successors, (238), 2 states have call predecessors, (238), 2 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-28 05:09:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 2326 states and 3231 transitions. [2024-11-28 05:09:28,287 INFO L78 Accepts]: Start accepts. Automaton has 2326 states and 3231 transitions. Word has length 123 [2024-11-28 05:09:28,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:28,287 INFO L471 AbstractCegarLoop]: Abstraction has 2326 states and 3231 transitions. [2024-11-28 05:09:28,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 05:09:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 3231 transitions. [2024-11-28 05:09:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 05:09:28,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:28,289 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:28,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:28,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:28,489 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:28,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:28,490 INFO L85 PathProgramCache]: Analyzing trace with hash -634075645, now seen corresponding path program 1 times [2024-11-28 05:09:28,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:28,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86671993] [2024-11-28 05:09:28,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:28,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:28,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217459978] [2024-11-28 05:09:28,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:28,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:28,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:28,507 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:28,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-28 05:09:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:28,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:09:28,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 38 proven. 26 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 05:09:29,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:29,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:29,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86671993] [2024-11-28 05:09:29,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:29,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217459978] [2024-11-28 05:09:29,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217459978] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:29,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:29,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:09:29,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13312285] [2024-11-28 05:09:29,220 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:29,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:09:29,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:29,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:09:29,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:29,221 INFO L87 Difference]: Start difference. First operand 2326 states and 3231 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 05:09:30,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:30,574 INFO L93 Difference]: Finished difference Result 2882 states and 3977 transitions. [2024-11-28 05:09:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:09:30,574 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 123 [2024-11-28 05:09:30,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:30,582 INFO L225 Difference]: With dead ends: 2882 [2024-11-28 05:09:30,582 INFO L226 Difference]: Without dead ends: 2878 [2024-11-28 05:09:30,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:09:30,584 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 299 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:30,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 474 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:09:30,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2878 states. [2024-11-28 05:09:30,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2878 to 2290. [2024-11-28 05:09:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2290 states, 2029 states have (on average 1.3238048299655003) internal successors, (2686), 2054 states have internal predecessors, (2686), 233 states have call successors, (233), 2 states have call predecessors, (233), 2 states have return successors, (233), 233 states have call predecessors, (233), 233 states have call successors, (233) [2024-11-28 05:09:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 3152 transitions. [2024-11-28 05:09:30,955 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 3152 transitions. Word has length 123 [2024-11-28 05:09:30,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:30,955 INFO L471 AbstractCegarLoop]: Abstraction has 2290 states and 3152 transitions. [2024-11-28 05:09:30,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 05:09:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 3152 transitions. [2024-11-28 05:09:30,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 05:09:30,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:30,957 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:30,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:31,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-28 05:09:31,157 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:31,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:31,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1628739422, now seen corresponding path program 2 times [2024-11-28 05:09:31,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:31,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432142042] [2024-11-28 05:09:31,158 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:31,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:31,183 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:31,183 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:31,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733123194] [2024-11-28 05:09:31,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:31,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:31,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:31,190 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:31,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-28 05:09:31,257 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:31,257 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:31,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:09:31,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 05:09:31,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:33,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:33,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432142042] [2024-11-28 05:09:33,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:33,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733123194] [2024-11-28 05:09:33,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733123194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:33,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:33,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:09:33,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082527650] [2024-11-28 05:09:33,787 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:33,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:09:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:33,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:09:33,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:09:33,788 INFO L87 Difference]: Start difference. First operand 2290 states and 3152 transitions. Second operand has 12 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 05:09:35,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:35,105 INFO L93 Difference]: Finished difference Result 2513 states and 3437 transitions. [2024-11-28 05:09:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:09:35,105 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 129 [2024-11-28 05:09:35,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:35,109 INFO L225 Difference]: With dead ends: 2513 [2024-11-28 05:09:35,109 INFO L226 Difference]: Without dead ends: 2511 [2024-11-28 05:09:35,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:09:35,111 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 220 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:35,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 462 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:09:35,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2024-11-28 05:09:35,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2420. [2024-11-28 05:09:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2146 states have (on average 1.3219944082013046) internal successors, (2837), 2171 states have internal predecessors, (2837), 246 states have call successors, (246), 2 states have call predecessors, (246), 2 states have return successors, (246), 246 states have call predecessors, (246), 246 states have call successors, (246) [2024-11-28 05:09:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3329 transitions. [2024-11-28 05:09:35,343 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3329 transitions. Word has length 129 [2024-11-28 05:09:35,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:35,344 INFO L471 AbstractCegarLoop]: Abstraction has 2420 states and 3329 transitions. [2024-11-28 05:09:35,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 05:09:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3329 transitions. [2024-11-28 05:09:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 05:09:35,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:35,344 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:35,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:35,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:35,545 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:35,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:35,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1109517780, now seen corresponding path program 1 times [2024-11-28 05:09:35,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:35,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267074914] [2024-11-28 05:09:35,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:35,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:35,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692268140] [2024-11-28 05:09:35,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:35,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:35,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:35,563 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:35,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-28 05:09:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:35,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 05:09:35,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 05:09:36,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:36,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:36,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267074914] [2024-11-28 05:09:36,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:36,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692268140] [2024-11-28 05:09:36,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692268140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:36,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:36,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 05:09:36,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088712731] [2024-11-28 05:09:36,555 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:36,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:09:36,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:36,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:09:36,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:09:36,556 INFO L87 Difference]: Start difference. First operand 2420 states and 3329 transitions. Second operand has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 05:09:37,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:37,709 INFO L93 Difference]: Finished difference Result 2520 states and 3449 transitions. [2024-11-28 05:09:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:09:37,709 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 129 [2024-11-28 05:09:37,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:37,714 INFO L225 Difference]: With dead ends: 2520 [2024-11-28 05:09:37,714 INFO L226 Difference]: Without dead ends: 2518 [2024-11-28 05:09:37,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:09:37,716 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 251 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:37,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 473 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:09:37,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2024-11-28 05:09:38,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2471. [2024-11-28 05:09:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2471 states, 2191 states have (on average 1.3208580556823368) internal successors, (2894), 2216 states have internal predecessors, (2894), 252 states have call successors, (252), 2 states have call predecessors, (252), 2 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-28 05:09:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 3398 transitions. [2024-11-28 05:09:38,097 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 3398 transitions. Word has length 129 [2024-11-28 05:09:38,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:38,098 INFO L471 AbstractCegarLoop]: Abstraction has 2471 states and 3398 transitions. [2024-11-28 05:09:38,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.8) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 05:09:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 3398 transitions. [2024-11-28 05:09:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 05:09:38,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:38,099 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:38,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-28 05:09:38,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-28 05:09:38,300 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:38,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash -424050502, now seen corresponding path program 1 times [2024-11-28 05:09:38,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:38,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352360681] [2024-11-28 05:09:38,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:38,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446236406] [2024-11-28 05:09:38,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:38,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:38,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:38,323 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-28 05:09:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:38,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 05:09:38,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 3 proven. 65 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 05:09:39,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:39,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:39,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352360681] [2024-11-28 05:09:39,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:39,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446236406] [2024-11-28 05:09:39,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446236406] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:39,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:39,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 05:09:39,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053202905] [2024-11-28 05:09:39,494 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:39,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:09:39,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:39,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:09:39,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:09:39,495 INFO L87 Difference]: Start difference. First operand 2471 states and 3398 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 05:09:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:40,535 INFO L93 Difference]: Finished difference Result 2519 states and 3448 transitions. [2024-11-28 05:09:40,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:09:40,535 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 132 [2024-11-28 05:09:40,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:40,540 INFO L225 Difference]: With dead ends: 2519 [2024-11-28 05:09:40,540 INFO L226 Difference]: Without dead ends: 2517 [2024-11-28 05:09:40,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:09:40,541 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 186 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:40,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 540 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:09:40,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2024-11-28 05:09:40,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2439. [2024-11-28 05:09:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2163 states have (on average 1.3222376329172445) internal successors, (2860), 2188 states have internal predecessors, (2860), 248 states have call successors, (248), 2 states have call predecessors, (248), 2 states have return successors, (248), 248 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-28 05:09:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3356 transitions. [2024-11-28 05:09:40,930 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3356 transitions. Word has length 132 [2024-11-28 05:09:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:40,931 INFO L471 AbstractCegarLoop]: Abstraction has 2439 states and 3356 transitions. [2024-11-28 05:09:40,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 05:09:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3356 transitions. [2024-11-28 05:09:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 05:09:40,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:40,932 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:40,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-11-28 05:09:41,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:41,133 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:41,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:41,134 INFO L85 PathProgramCache]: Analyzing trace with hash -260663592, now seen corresponding path program 1 times [2024-11-28 05:09:41,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:41,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405613633] [2024-11-28 05:09:41,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:41,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:41,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172828503] [2024-11-28 05:09:41,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:41,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:41,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:41,154 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:41,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-28 05:09:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:41,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 05:09:41,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 23 proven. 38 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 05:09:41,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:41,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:41,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405613633] [2024-11-28 05:09:41,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:41,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172828503] [2024-11-28 05:09:41,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172828503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:41,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:41,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:09:41,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001309758] [2024-11-28 05:09:41,765 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:41,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:09:41,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:41,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:09:41,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:41,766 INFO L87 Difference]: Start difference. First operand 2439 states and 3356 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 05:09:43,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:43,338 INFO L93 Difference]: Finished difference Result 2621 states and 3567 transitions. [2024-11-28 05:09:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:09:43,338 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 133 [2024-11-28 05:09:43,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:43,343 INFO L225 Difference]: With dead ends: 2621 [2024-11-28 05:09:43,343 INFO L226 Difference]: Without dead ends: 2617 [2024-11-28 05:09:43,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:09:43,345 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 258 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:43,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 541 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:09:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2024-11-28 05:09:43,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2505. [2024-11-28 05:09:43,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 2222 states have (on average 1.3042304230423043) internal successors, (2898), 2247 states have internal predecessors, (2898), 255 states have call successors, (255), 2 states have call predecessors, (255), 2 states have return successors, (255), 255 states have call predecessors, (255), 255 states have call successors, (255) [2024-11-28 05:09:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3408 transitions. [2024-11-28 05:09:43,625 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3408 transitions. Word has length 133 [2024-11-28 05:09:43,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:43,626 INFO L471 AbstractCegarLoop]: Abstraction has 2505 states and 3408 transitions. [2024-11-28 05:09:43,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 05:09:43,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3408 transitions. [2024-11-28 05:09:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 05:09:43,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:43,627 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:43,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:43,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:43,827 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:43,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:43,828 INFO L85 PathProgramCache]: Analyzing trace with hash -154854592, now seen corresponding path program 1 times [2024-11-28 05:09:43,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:43,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200875458] [2024-11-28 05:09:43,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:43,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-28 05:09:43,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:43,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200875458] [2024-11-28 05:09:43,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200875458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:43,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353973782] [2024-11-28 05:09:43,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:43,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:43,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:43,945 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:43,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-28 05:09:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:44,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:09:44,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:44,084 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-28 05:09:44,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-28 05:09:44,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353973782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:44,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:09:44,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-28 05:09:44,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767804793] [2024-11-28 05:09:44,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:44,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:09:44,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:44,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:09:44,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:09:44,224 INFO L87 Difference]: Start difference. First operand 2505 states and 3408 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-28 05:09:45,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:45,168 INFO L93 Difference]: Finished difference Result 2507 states and 3410 transitions. [2024-11-28 05:09:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:09:45,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 139 [2024-11-28 05:09:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:45,172 INFO L225 Difference]: With dead ends: 2507 [2024-11-28 05:09:45,172 INFO L226 Difference]: Without dead ends: 2468 [2024-11-28 05:09:45,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:09:45,173 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 30 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:45,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 149 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:09:45,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2024-11-28 05:09:45,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2433. [2024-11-28 05:09:45,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2433 states, 2159 states have (on average 1.3075497915701715) internal successors, (2823), 2182 states have internal predecessors, (2823), 248 states have call successors, (248), 2 states have call predecessors, (248), 2 states have return successors, (248), 248 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-28 05:09:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 3319 transitions. [2024-11-28 05:09:45,438 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 3319 transitions. Word has length 139 [2024-11-28 05:09:45,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:45,438 INFO L471 AbstractCegarLoop]: Abstraction has 2433 states and 3319 transitions. [2024-11-28 05:09:45,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-28 05:09:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 3319 transitions. [2024-11-28 05:09:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 05:09:45,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:45,439 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:45,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:45,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:45,643 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:45,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:45,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1739618088, now seen corresponding path program 1 times [2024-11-28 05:09:45,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:45,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046162886] [2024-11-28 05:09:45,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:45,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:45,850 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:09:45,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:45,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046162886] [2024-11-28 05:09:45,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046162886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:45,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311194685] [2024-11-28 05:09:45,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:45,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:45,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:45,859 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:45,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-28 05:09:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:45,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:09:45,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:09:46,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:09:46,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311194685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:46,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:09:46,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-28 05:09:46,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709257272] [2024-11-28 05:09:46,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:46,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:09:46,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:46,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:09:46,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:46,452 INFO L87 Difference]: Start difference. First operand 2433 states and 3319 transitions. Second operand has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 05:09:47,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:47,483 INFO L93 Difference]: Finished difference Result 3459 states and 4670 transitions. [2024-11-28 05:09:47,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:09:47,484 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 145 [2024-11-28 05:09:47,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:47,488 INFO L225 Difference]: With dead ends: 3459 [2024-11-28 05:09:47,488 INFO L226 Difference]: Without dead ends: 3457 [2024-11-28 05:09:47,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:09:47,489 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 308 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:47,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 522 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:09:47,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3457 states. [2024-11-28 05:09:47,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3457 to 3009. [2024-11-28 05:09:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 2681 states have (on average 1.308466989929131) internal successors, (3508), 2704 states have internal predecessors, (3508), 302 states have call successors, (302), 2 states have call predecessors, (302), 2 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2024-11-28 05:09:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 4112 transitions. [2024-11-28 05:09:47,839 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 4112 transitions. Word has length 145 [2024-11-28 05:09:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:47,839 INFO L471 AbstractCegarLoop]: Abstraction has 3009 states and 4112 transitions. [2024-11-28 05:09:47,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 05:09:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 4112 transitions. [2024-11-28 05:09:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 05:09:47,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:47,841 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:47,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:48,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-28 05:09:48,041 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:48,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:48,042 INFO L85 PathProgramCache]: Analyzing trace with hash 426680714, now seen corresponding path program 1 times [2024-11-28 05:09:48,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:48,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738325217] [2024-11-28 05:09:48,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:48,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:09:48,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:48,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738325217] [2024-11-28 05:09:48,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738325217] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:48,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609043028] [2024-11-28 05:09:48,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:48,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:48,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:48,202 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:48,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-28 05:09:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:48,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:09:48,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:09:48,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:09:48,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609043028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:48,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:09:48,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-28 05:09:48,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631498293] [2024-11-28 05:09:48,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:48,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:09:48,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:48,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:09:48,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:48,851 INFO L87 Difference]: Start difference. First operand 3009 states and 4112 transitions. Second operand has 11 states, 10 states have (on average 24.6) internal successors, (246), 11 states have internal predecessors, (246), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 05:09:49,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:49,868 INFO L93 Difference]: Finished difference Result 4041 states and 5458 transitions. [2024-11-28 05:09:49,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:09:49,869 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.6) internal successors, (246), 11 states have internal predecessors, (246), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 147 [2024-11-28 05:09:49,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:49,873 INFO L225 Difference]: With dead ends: 4041 [2024-11-28 05:09:49,873 INFO L226 Difference]: Without dead ends: 4039 [2024-11-28 05:09:49,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=103, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:09:49,874 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 504 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:49,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 462 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:09:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4039 states. [2024-11-28 05:09:50,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4039 to 3549. [2024-11-28 05:09:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3549 states, 3174 states have (on average 1.309388783868935) internal successors, (4156), 3197 states have internal predecessors, (4156), 349 states have call successors, (349), 2 states have call predecessors, (349), 2 states have return successors, (349), 349 states have call predecessors, (349), 349 states have call successors, (349) [2024-11-28 05:09:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4854 transitions. [2024-11-28 05:09:50,343 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4854 transitions. Word has length 147 [2024-11-28 05:09:50,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:50,343 INFO L471 AbstractCegarLoop]: Abstraction has 3549 states and 4854 transitions. [2024-11-28 05:09:50,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.6) internal successors, (246), 11 states have internal predecessors, (246), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 05:09:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4854 transitions. [2024-11-28 05:09:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 05:09:50,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:50,344 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:50,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:50,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:50,545 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:50,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:50,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1627322996, now seen corresponding path program 3 times [2024-11-28 05:09:50,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:50,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496838855] [2024-11-28 05:09:50,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:09:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:50,581 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:09:50,582 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:50,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817632701] [2024-11-28 05:09:50,582 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:09:50,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:50,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:50,586 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:50,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-28 05:09:50,661 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:09:50,661 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:50,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 05:09:50,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 24 proven. 81 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 05:09:52,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:52,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:52,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496838855] [2024-11-28 05:09:52,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:52,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817632701] [2024-11-28 05:09:52,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817632701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:52,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:52,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:09:52,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334670166] [2024-11-28 05:09:52,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:52,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:09:52,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:52,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:09:52,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:09:52,870 INFO L87 Difference]: Start difference. First operand 3549 states and 4854 transitions. Second operand has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:09:56,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:56,931 INFO L93 Difference]: Finished difference Result 3586 states and 4891 transitions. [2024-11-28 05:09:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:09:56,932 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 149 [2024-11-28 05:09:56,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:56,938 INFO L225 Difference]: With dead ends: 3586 [2024-11-28 05:09:56,938 INFO L226 Difference]: Without dead ends: 3562 [2024-11-28 05:09:56,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:09:56,940 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 164 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:56,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 429 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1558 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2024-11-28 05:09:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2024-11-28 05:09:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3549. [2024-11-28 05:09:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3549 states, 3174 states have (on average 1.3087586641461877) internal successors, (4154), 3197 states have internal predecessors, (4154), 349 states have call successors, (349), 2 states have call predecessors, (349), 2 states have return successors, (349), 349 states have call predecessors, (349), 349 states have call successors, (349) [2024-11-28 05:09:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 4852 transitions. [2024-11-28 05:09:57,285 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 4852 transitions. Word has length 149 [2024-11-28 05:09:57,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:57,285 INFO L471 AbstractCegarLoop]: Abstraction has 3549 states and 4852 transitions. [2024-11-28 05:09:57,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:09:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 4852 transitions. [2024-11-28 05:09:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 05:09:57,286 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:57,287 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:57,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:57,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:57,487 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:09:57,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:57,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1568924776, now seen corresponding path program 4 times [2024-11-28 05:09:57,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:57,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396702514] [2024-11-28 05:09:57,488 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:09:57,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:57,507 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:09:57,507 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:57,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990840611] [2024-11-28 05:09:57,509 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:09:57,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:57,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:57,515 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:57,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-28 05:09:57,622 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:09:57,622 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:57,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 05:09:57,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:09:58,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:58,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396702514] [2024-11-28 05:09:58,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990840611] [2024-11-28 05:09:58,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990840611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:58,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:58,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 05:09:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392613593] [2024-11-28 05:09:58,479 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:58,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:09:58,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:58,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:09:58,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:09:58,480 INFO L87 Difference]: Start difference. First operand 3549 states and 4852 transitions. Second operand has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:09:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:59,593 INFO L93 Difference]: Finished difference Result 3599 states and 4907 transitions. [2024-11-28 05:09:59,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:09:59,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 149 [2024-11-28 05:09:59,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:59,598 INFO L225 Difference]: With dead ends: 3599 [2024-11-28 05:09:59,598 INFO L226 Difference]: Without dead ends: 3597 [2024-11-28 05:09:59,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:09:59,600 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 84 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:59,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 466 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:09:59,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3597 states. [2024-11-28 05:09:59,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3597 to 3565. [2024-11-28 05:09:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3188 states have (on average 1.3070890840652447) internal successors, (4167), 3211 states have internal predecessors, (4167), 351 states have call successors, (351), 2 states have call predecessors, (351), 2 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2024-11-28 05:09:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4869 transitions. [2024-11-28 05:09:59,981 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4869 transitions. Word has length 149 [2024-11-28 05:09:59,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:59,981 INFO L471 AbstractCegarLoop]: Abstraction has 3565 states and 4869 transitions. [2024-11-28 05:09:59,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:09:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4869 transitions. [2024-11-28 05:09:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 05:09:59,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:59,982 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:59,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-11-28 05:10:00,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2024-11-28 05:10:00,183 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:00,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:00,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1775342310, now seen corresponding path program 5 times [2024-11-28 05:10:00,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:00,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148272897] [2024-11-28 05:10:00,183 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:10:00,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:00,202 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-28 05:10:00,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789113805] [2024-11-28 05:10:00,203 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:10:00,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:00,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:00,205 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:00,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-28 05:10:00,460 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-28 05:10:00,460 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:00,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 05:10:00,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:02,840 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 12 proven. 111 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-28 05:10:02,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:03,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:03,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148272897] [2024-11-28 05:10:03,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:03,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789113805] [2024-11-28 05:10:03,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789113805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:03,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:03,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:10:03,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257419834] [2024-11-28 05:10:03,088 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:03,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:10:03,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:03,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:10:03,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=263, Unknown=2, NotChecked=0, Total=342 [2024-11-28 05:10:03,089 INFO L87 Difference]: Start difference. First operand 3565 states and 4869 transitions. Second operand has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:10:09,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:09,566 INFO L93 Difference]: Finished difference Result 3611 states and 4918 transitions. [2024-11-28 05:10:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:10:09,566 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 149 [2024-11-28 05:10:09,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:09,570 INFO L225 Difference]: With dead ends: 3611 [2024-11-28 05:10:09,570 INFO L226 Difference]: Without dead ends: 3609 [2024-11-28 05:10:09,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=119, Invalid=426, Unknown=7, NotChecked=0, Total=552 [2024-11-28 05:10:09,571 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 179 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 20 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:09,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 371 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1307 Invalid, 9 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 05:10:09,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3609 states. [2024-11-28 05:10:09,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3609 to 3565. [2024-11-28 05:10:09,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3188 states have (on average 1.306775407779172) internal successors, (4166), 3211 states have internal predecessors, (4166), 351 states have call successors, (351), 2 states have call predecessors, (351), 2 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2024-11-28 05:10:09,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4868 transitions. [2024-11-28 05:10:09,935 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4868 transitions. Word has length 149 [2024-11-28 05:10:09,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:09,935 INFO L471 AbstractCegarLoop]: Abstraction has 3565 states and 4868 transitions. [2024-11-28 05:10:09,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.2) internal successors, (93), 16 states have internal predecessors, (93), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:10:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4868 transitions. [2024-11-28 05:10:09,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 05:10:09,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:09,936 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:09,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-28 05:10:10,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-11-28 05:10:10,137 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:10,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:10,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2018274572, now seen corresponding path program 6 times [2024-11-28 05:10:10,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:10,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802931868] [2024-11-28 05:10:10,137 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:10:10,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:10,157 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-28 05:10:10,158 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:10,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007318450] [2024-11-28 05:10:10,158 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:10:10,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:10,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:10,166 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:10,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 05:10:10,352 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-28 05:10:10,352 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:10,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:10:10,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:10:10,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:11,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:11,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802931868] [2024-11-28 05:10:11,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:11,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007318450] [2024-11-28 05:10:11,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007318450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:11,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:11,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:10:11,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292798745] [2024-11-28 05:10:11,139 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:11,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:10:11,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:11,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:10:11,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:11,141 INFO L87 Difference]: Start difference. First operand 3565 states and 4868 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:12,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:12,059 INFO L93 Difference]: Finished difference Result 3622 states and 4931 transitions. [2024-11-28 05:10:12,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:10:12,059 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 149 [2024-11-28 05:10:12,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:12,063 INFO L225 Difference]: With dead ends: 3622 [2024-11-28 05:10:12,063 INFO L226 Difference]: Without dead ends: 3620 [2024-11-28 05:10:12,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:10:12,065 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 182 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:12,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 242 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:10:12,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2024-11-28 05:10:12,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 3581. [2024-11-28 05:10:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3581 states, 3202 states have (on average 1.3051217988757027) internal successors, (4179), 3225 states have internal predecessors, (4179), 353 states have call successors, (353), 2 states have call predecessors, (353), 2 states have return successors, (353), 353 states have call predecessors, (353), 353 states have call successors, (353) [2024-11-28 05:10:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 3581 states and 4885 transitions. [2024-11-28 05:10:12,418 INFO L78 Accepts]: Start accepts. Automaton has 3581 states and 4885 transitions. Word has length 149 [2024-11-28 05:10:12,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:12,418 INFO L471 AbstractCegarLoop]: Abstraction has 3581 states and 4885 transitions. [2024-11-28 05:10:12,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:12,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3581 states and 4885 transitions. [2024-11-28 05:10:12,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 05:10:12,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:12,419 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:12,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-11-28 05:10:12,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:12,620 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:12,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1325992514, now seen corresponding path program 7 times [2024-11-28 05:10:12,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:12,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813666366] [2024-11-28 05:10:12,620 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:10:12,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:10:12,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524312736] [2024-11-28 05:10:12,642 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:10:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:12,644 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:12,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 05:10:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:12,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:10:12,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:10:13,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:13,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:13,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813666366] [2024-11-28 05:10:13,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:13,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524312736] [2024-11-28 05:10:13,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524312736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:13,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:13,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:10:13,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064474629] [2024-11-28 05:10:13,487 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:13,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:10:13,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:13,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:10:13,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:13,488 INFO L87 Difference]: Start difference. First operand 3581 states and 4885 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:14,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:14,297 INFO L93 Difference]: Finished difference Result 3626 states and 4933 transitions. [2024-11-28 05:10:14,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:10:14,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 149 [2024-11-28 05:10:14,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:14,303 INFO L225 Difference]: With dead ends: 3626 [2024-11-28 05:10:14,303 INFO L226 Difference]: Without dead ends: 3624 [2024-11-28 05:10:14,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:14,305 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 108 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:14,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 301 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:10:14,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2024-11-28 05:10:14,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 3587. [2024-11-28 05:10:14,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3587 states, 3207 states have (on average 1.3046460866853757) internal successors, (4184), 3230 states have internal predecessors, (4184), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3587 states and 4892 transitions. [2024-11-28 05:10:14,833 INFO L78 Accepts]: Start accepts. Automaton has 3587 states and 4892 transitions. Word has length 149 [2024-11-28 05:10:14,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:14,833 INFO L471 AbstractCegarLoop]: Abstraction has 3587 states and 4892 transitions. [2024-11-28 05:10:14,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 4892 transitions. [2024-11-28 05:10:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-28 05:10:14,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:14,834 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:14,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-11-28 05:10:15,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-11-28 05:10:15,034 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:15,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:15,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1870255258, now seen corresponding path program 8 times [2024-11-28 05:10:15,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:15,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469392050] [2024-11-28 05:10:15,035 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:10:15,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:15,051 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:10:15,052 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:15,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207289755] [2024-11-28 05:10:15,053 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:10:15,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:15,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:15,055 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:15,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-28 05:10:15,131 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:10:15,131 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:15,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:10:15,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:10:15,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:15,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:15,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469392050] [2024-11-28 05:10:15,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:15,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207289755] [2024-11-28 05:10:15,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207289755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:15,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:15,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:10:15,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367468612] [2024-11-28 05:10:15,913 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:15,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:10:15,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:15,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:10:15,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:15,914 INFO L87 Difference]: Start difference. First operand 3587 states and 4892 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:16,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:16,862 INFO L93 Difference]: Finished difference Result 3640 states and 4950 transitions. [2024-11-28 05:10:16,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:10:16,862 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 149 [2024-11-28 05:10:16,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:16,866 INFO L225 Difference]: With dead ends: 3640 [2024-11-28 05:10:16,867 INFO L226 Difference]: Without dead ends: 3638 [2024-11-28 05:10:16,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=38, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:16,868 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 72 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:16,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 221 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:10:16,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2024-11-28 05:10:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 3587. [2024-11-28 05:10:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3587 states, 3207 states have (on average 1.3043342687870283) internal successors, (4183), 3230 states have internal predecessors, (4183), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:17,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3587 states and 4891 transitions. [2024-11-28 05:10:17,230 INFO L78 Accepts]: Start accepts. Automaton has 3587 states and 4891 transitions. Word has length 149 [2024-11-28 05:10:17,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:17,230 INFO L471 AbstractCegarLoop]: Abstraction has 3587 states and 4891 transitions. [2024-11-28 05:10:17,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 4891 transitions. [2024-11-28 05:10:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 05:10:17,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:17,231 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:17,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-28 05:10:17,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-11-28 05:10:17,435 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:17,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:17,436 INFO L85 PathProgramCache]: Analyzing trace with hash -489301746, now seen corresponding path program 3 times [2024-11-28 05:10:17,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:17,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325246987] [2024-11-28 05:10:17,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:17,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:17,459 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:10:17,459 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:17,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [157267707] [2024-11-28 05:10:17,460 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:17,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:17,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:17,462 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:17,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-28 05:10:17,654 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:10:17,654 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:17,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 05:10:17,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 24 proven. 87 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 05:10:19,088 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325246987] [2024-11-28 05:10:19,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157267707] [2024-11-28 05:10:19,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157267707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:19,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:19,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 05:10:19,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426926468] [2024-11-28 05:10:19,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:19,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:10:19,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:19,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:10:19,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:10:19,404 INFO L87 Difference]: Start difference. First operand 3587 states and 4891 transitions. Second operand has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:21,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:21,371 INFO L93 Difference]: Finished difference Result 3601 states and 4904 transitions. [2024-11-28 05:10:21,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:10:21,372 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 151 [2024-11-28 05:10:21,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:21,376 INFO L225 Difference]: With dead ends: 3601 [2024-11-28 05:10:21,376 INFO L226 Difference]: Without dead ends: 3600 [2024-11-28 05:10:21,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:10:21,377 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 88 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 1737 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:21,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 526 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1737 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:10:21,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2024-11-28 05:10:21,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3587. [2024-11-28 05:10:21,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3587 states, 3207 states have (on average 1.304022450888681) internal successors, (4182), 3230 states have internal predecessors, (4182), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3587 states and 4890 transitions. [2024-11-28 05:10:21,734 INFO L78 Accepts]: Start accepts. Automaton has 3587 states and 4890 transitions. Word has length 151 [2024-11-28 05:10:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:21,734 INFO L471 AbstractCegarLoop]: Abstraction has 3587 states and 4890 transitions. [2024-11-28 05:10:21,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.3076923076923075) internal successors, (95), 14 states have internal predecessors, (95), 4 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 4890 transitions. [2024-11-28 05:10:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 05:10:21,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:21,736 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:21,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-11-28 05:10:21,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-11-28 05:10:21,936 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:21,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:21,937 INFO L85 PathProgramCache]: Analyzing trace with hash 203190506, now seen corresponding path program 4 times [2024-11-28 05:10:21,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:21,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353475763] [2024-11-28 05:10:21,937 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:10:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:21,964 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:10:21,964 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439187363] [2024-11-28 05:10:21,965 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:10:21,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:21,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:21,967 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:21,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-28 05:10:22,067 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:10:22,068 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:22,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:10:22,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:10:22,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:10:23,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:23,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353475763] [2024-11-28 05:10:23,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:23,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439187363] [2024-11-28 05:10:23,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439187363] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:10:23,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:10:23,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-28 05:10:23,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205904932] [2024-11-28 05:10:23,628 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:23,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:10:23,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:23,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:10:23,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:10:23,629 INFO L87 Difference]: Start difference. First operand 3587 states and 4890 transitions. Second operand has 13 states, 12 states have (on average 14.583333333333334) internal successors, (175), 13 states have internal predecessors, (175), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 05:10:26,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:10:28,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:10:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:33,733 INFO L93 Difference]: Finished difference Result 3675 states and 4992 transitions. [2024-11-28 05:10:33,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 05:10:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.583333333333334) internal successors, (175), 13 states have internal predecessors, (175), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 151 [2024-11-28 05:10:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:33,737 INFO L225 Difference]: With dead ends: 3675 [2024-11-28 05:10:33,737 INFO L226 Difference]: Without dead ends: 3674 [2024-11-28 05:10:33,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:10:33,739 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 535 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:33,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 598 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-28 05:10:33,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3674 states. [2024-11-28 05:10:34,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3674 to 3591. [2024-11-28 05:10:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 3211 states have (on average 1.3023980068514482) internal successors, (4182), 3234 states have internal predecessors, (4182), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 4890 transitions. [2024-11-28 05:10:34,116 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 4890 transitions. Word has length 151 [2024-11-28 05:10:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:34,116 INFO L471 AbstractCegarLoop]: Abstraction has 3591 states and 4890 transitions. [2024-11-28 05:10:34,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.583333333333334) internal successors, (175), 13 states have internal predecessors, (175), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-28 05:10:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4890 transitions. [2024-11-28 05:10:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 05:10:34,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:34,117 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:34,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-11-28 05:10:34,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-28 05:10:34,318 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:34,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:34,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1001941732, now seen corresponding path program 5 times [2024-11-28 05:10:34,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:34,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634347465] [2024-11-28 05:10:34,318 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:10:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:34,335 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-28 05:10:34,336 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:34,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084154198] [2024-11-28 05:10:34,336 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:10:34,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:34,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:34,341 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:34,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-28 05:10:34,633 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-28 05:10:34,633 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:34,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 05:10:34,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 12 proven. 117 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-28 05:10:36,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:36,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:36,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634347465] [2024-11-28 05:10:36,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:36,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084154198] [2024-11-28 05:10:36,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084154198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:36,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:36,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:10:36,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570690921] [2024-11-28 05:10:36,786 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:36,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:10:36,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:36,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:10:36,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:10:36,787 INFO L87 Difference]: Start difference. First operand 3591 states and 4890 transitions. Second operand has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:10:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:39,401 INFO L93 Difference]: Finished difference Result 3635 states and 4938 transitions. [2024-11-28 05:10:39,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:10:39,402 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 151 [2024-11-28 05:10:39,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:39,407 INFO L225 Difference]: With dead ends: 3635 [2024-11-28 05:10:39,407 INFO L226 Difference]: Without dead ends: 3634 [2024-11-28 05:10:39,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:10:39,408 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 176 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:39,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 324 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1257 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 05:10:39,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3634 states. [2024-11-28 05:10:39,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3634 to 3591. [2024-11-28 05:10:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 3211 states have (on average 1.302086577390221) internal successors, (4181), 3234 states have internal predecessors, (4181), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 4889 transitions. [2024-11-28 05:10:39,760 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 4889 transitions. Word has length 151 [2024-11-28 05:10:39,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:39,760 INFO L471 AbstractCegarLoop]: Abstraction has 3591 states and 4889 transitions. [2024-11-28 05:10:39,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 16 states have internal predecessors, (95), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:10:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4889 transitions. [2024-11-28 05:10:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 05:10:39,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:39,761 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:39,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-11-28 05:10:39,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-28 05:10:39,961 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:39,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:39,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1326482624, now seen corresponding path program 6 times [2024-11-28 05:10:39,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:39,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448378208] [2024-11-28 05:10:39,962 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:10:39,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:39,983 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-28 05:10:39,984 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:39,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045441188] [2024-11-28 05:10:39,984 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:10:39,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:39,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:39,988 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:39,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-28 05:10:40,110 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-28 05:10:40,111 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:40,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:10:40,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 05:10:40,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:40,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:40,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448378208] [2024-11-28 05:10:40,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:40,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045441188] [2024-11-28 05:10:40,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045441188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:40,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:40,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:10:40,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657749112] [2024-11-28 05:10:40,830 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:40,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:10:40,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:40,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:10:40,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:40,831 INFO L87 Difference]: Start difference. First operand 3591 states and 4889 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:41,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:41,655 INFO L93 Difference]: Finished difference Result 3627 states and 4928 transitions. [2024-11-28 05:10:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:10:41,656 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 151 [2024-11-28 05:10:41,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:41,662 INFO L225 Difference]: With dead ends: 3627 [2024-11-28 05:10:41,662 INFO L226 Difference]: Without dead ends: 3626 [2024-11-28 05:10:41,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:10:41,664 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 78 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:41,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 382 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:10:41,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2024-11-28 05:10:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3591. [2024-11-28 05:10:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 3211 states have (on average 1.301775147928994) internal successors, (4180), 3234 states have internal predecessors, (4180), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 4888 transitions. [2024-11-28 05:10:42,262 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 4888 transitions. Word has length 151 [2024-11-28 05:10:42,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:42,262 INFO L471 AbstractCegarLoop]: Abstraction has 3591 states and 4888 transitions. [2024-11-28 05:10:42,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 05:10:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4888 transitions. [2024-11-28 05:10:42,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-28 05:10:42,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:42,263 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:42,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-11-28 05:10:42,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2024-11-28 05:10:42,463 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:42,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash -2050383962, now seen corresponding path program 2 times [2024-11-28 05:10:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:42,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749315464] [2024-11-28 05:10:42,464 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:10:42,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:42,484 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:10:42,485 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:42,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028590665] [2024-11-28 05:10:42,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:10:42,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:42,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:42,491 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:42,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-28 05:10:42,564 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:10:42,564 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:42,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:10:42,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 3 proven. 105 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 05:10:43,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:49,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:49,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749315464] [2024-11-28 05:10:49,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:49,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028590665] [2024-11-28 05:10:49,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028590665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:49,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:49,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 05:10:49,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916017974] [2024-11-28 05:10:49,243 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:49,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:10:49,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:49,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:10:49,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=196, Unknown=2, NotChecked=0, Total=272 [2024-11-28 05:10:49,244 INFO L87 Difference]: Start difference. First operand 3591 states and 4888 transitions. Second operand has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:10:50,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:50,645 INFO L93 Difference]: Finished difference Result 3712 states and 5043 transitions. [2024-11-28 05:10:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:10:50,645 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 159 [2024-11-28 05:10:50,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:50,649 INFO L225 Difference]: With dead ends: 3712 [2024-11-28 05:10:50,649 INFO L226 Difference]: Without dead ends: 3711 [2024-11-28 05:10:50,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=113, Invalid=265, Unknown=2, NotChecked=0, Total=380 [2024-11-28 05:10:50,650 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 156 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:50,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 695 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:10:50,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3711 states. [2024-11-28 05:10:51,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3711 to 3591. [2024-11-28 05:10:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 3211 states have (on average 1.301463718467767) internal successors, (4179), 3234 states have internal predecessors, (4179), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 4887 transitions. [2024-11-28 05:10:51,011 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 4887 transitions. Word has length 159 [2024-11-28 05:10:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:51,011 INFO L471 AbstractCegarLoop]: Abstraction has 3591 states and 4887 transitions. [2024-11-28 05:10:51,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:10:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4887 transitions. [2024-11-28 05:10:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-28 05:10:51,012 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:51,012 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:51,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-11-28 05:10:51,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:51,212 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:51,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:51,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1015190092, now seen corresponding path program 3 times [2024-11-28 05:10:51,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:51,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963068824] [2024-11-28 05:10:51,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:51,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:51,227 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:10:51,227 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:51,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447131471] [2024-11-28 05:10:51,228 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:51,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:51,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:51,230 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:51,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-28 05:10:51,348 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:10:51,348 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:51,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:10:51,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 3 proven. 105 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 05:10:52,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:52,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:52,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963068824] [2024-11-28 05:10:52,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:52,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447131471] [2024-11-28 05:10:52,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447131471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:52,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:52,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 05:10:52,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111626433] [2024-11-28 05:10:52,890 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:52,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:10:52,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:52,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:10:52,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:10:52,890 INFO L87 Difference]: Start difference. First operand 3591 states and 4887 transitions. Second operand has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:10:54,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:54,439 INFO L93 Difference]: Finished difference Result 3732 states and 5059 transitions. [2024-11-28 05:10:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:10:54,440 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 159 [2024-11-28 05:10:54,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:54,444 INFO L225 Difference]: With dead ends: 3732 [2024-11-28 05:10:54,444 INFO L226 Difference]: Without dead ends: 3731 [2024-11-28 05:10:54,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:10:54,446 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 176 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:54,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 689 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:10:54,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2024-11-28 05:10:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3591. [2024-11-28 05:10:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 3211 states have (on average 1.3011522890065401) internal successors, (4178), 3234 states have internal predecessors, (4178), 354 states have call successors, (354), 2 states have call predecessors, (354), 2 states have return successors, (354), 354 states have call predecessors, (354), 354 states have call successors, (354) [2024-11-28 05:10:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 4886 transitions. [2024-11-28 05:10:54,827 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 4886 transitions. Word has length 159 [2024-11-28 05:10:54,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:54,827 INFO L471 AbstractCegarLoop]: Abstraction has 3591 states and 4886 transitions. [2024-11-28 05:10:54,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:10:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4886 transitions. [2024-11-28 05:10:54,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-28 05:10:54,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:54,828 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:54,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-28 05:10:55,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:55,029 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:10:55,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:55,029 INFO L85 PathProgramCache]: Analyzing trace with hash -440501928, now seen corresponding path program 4 times [2024-11-28 05:10:55,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:55,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801839779] [2024-11-28 05:10:55,029 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:10:55,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:55,046 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:10:55,047 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:55,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [819205082] [2024-11-28 05:10:55,047 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:10:55,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:55,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:55,050 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:55,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-28 05:10:55,139 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:10:55,139 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:55,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:10:55,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 3 proven. 105 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 05:10:56,189 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:59,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:59,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801839779] [2024-11-28 05:10:59,426 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:59,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819205082] [2024-11-28 05:10:59,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819205082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:59,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:59,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 05:10:59,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865097496] [2024-11-28 05:10:59,426 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:59,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:10:59,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:59,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:10:59,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=175, Unknown=1, NotChecked=0, Total=240 [2024-11-28 05:10:59,427 INFO L87 Difference]: Start difference. First operand 3591 states and 4886 transitions. Second operand has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:00,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:00,755 INFO L93 Difference]: Finished difference Result 3765 states and 5102 transitions. [2024-11-28 05:11:00,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:11:00,756 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 159 [2024-11-28 05:11:00,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:00,760 INFO L225 Difference]: With dead ends: 3765 [2024-11-28 05:11:00,760 INFO L226 Difference]: Without dead ends: 3763 [2024-11-28 05:11:00,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=103, Invalid=276, Unknown=1, NotChecked=0, Total=380 [2024-11-28 05:11:00,761 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 197 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:00,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 553 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:11:00,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2024-11-28 05:11:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3614. [2024-11-28 05:11:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 3232 states have (on average 1.3007425742574257) internal successors, (4204), 3255 states have internal predecessors, (4204), 356 states have call successors, (356), 2 states have call predecessors, (356), 2 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-28 05:11:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 4916 transitions. [2024-11-28 05:11:01,106 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 4916 transitions. Word has length 159 [2024-11-28 05:11:01,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:01,107 INFO L471 AbstractCegarLoop]: Abstraction has 3614 states and 4916 transitions. [2024-11-28 05:11:01,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4916 transitions. [2024-11-28 05:11:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-28 05:11:01,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:01,107 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:01,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Forceful destruction successful, exit code 0 [2024-11-28 05:11:01,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:01,308 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:01,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash 594691942, now seen corresponding path program 3 times [2024-11-28 05:11:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866749032] [2024-11-28 05:11:01,308 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:01,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:01,328 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:11:01,328 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:01,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1266578325] [2024-11-28 05:11:01,329 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:01,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:01,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:01,333 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:01,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-28 05:11:01,404 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:11:01,404 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:01,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:11:01,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:02,439 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-28 05:11:02,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:02,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:02,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866749032] [2024-11-28 05:11:02,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:02,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266578325] [2024-11-28 05:11:02,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266578325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:02,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:02,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 05:11:02,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716345526] [2024-11-28 05:11:02,612 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:02,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:11:02,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:02,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:11:02,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:11:02,613 INFO L87 Difference]: Start difference. First operand 3614 states and 4916 transitions. Second operand has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:04,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:04,369 INFO L93 Difference]: Finished difference Result 3819 states and 5191 transitions. [2024-11-28 05:11:04,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:11:04,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 159 [2024-11-28 05:11:04,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:04,373 INFO L225 Difference]: With dead ends: 3819 [2024-11-28 05:11:04,373 INFO L226 Difference]: Without dead ends: 3811 [2024-11-28 05:11:04,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:11:04,375 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 184 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:04,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 648 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1829 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 05:11:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2024-11-28 05:11:04,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3607. [2024-11-28 05:11:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3607 states, 3225 states have (on average 1.29984496124031) internal successors, (4192), 3248 states have internal predecessors, (4192), 356 states have call successors, (356), 2 states have call predecessors, (356), 2 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-28 05:11:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 3607 states and 4904 transitions. [2024-11-28 05:11:04,767 INFO L78 Accepts]: Start accepts. Automaton has 3607 states and 4904 transitions. Word has length 159 [2024-11-28 05:11:04,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:04,767 INFO L471 AbstractCegarLoop]: Abstraction has 3607 states and 4904 transitions. [2024-11-28 05:11:04,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.166666666666666) internal successors, (98), 12 states have internal predecessors, (98), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3607 states and 4904 transitions. [2024-11-28 05:11:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 05:11:04,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:04,769 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:04,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-11-28 05:11:04,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:04,973 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:04,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:04,974 INFO L85 PathProgramCache]: Analyzing trace with hash 36334395, now seen corresponding path program 2 times [2024-11-28 05:11:04,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:04,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130265347] [2024-11-28 05:11:04,974 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:04,986 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:04,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:04,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937018123] [2024-11-28 05:11:04,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:04,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:04,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:04,989 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-28 05:11:05,057 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:05,057 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:05,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:11:05,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 3 proven. 114 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 05:11:05,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:06,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:06,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130265347] [2024-11-28 05:11:06,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:06,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937018123] [2024-11-28 05:11:06,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937018123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:06,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:06,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 05:11:06,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441490897] [2024-11-28 05:11:06,362 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:06,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:11:06,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:06,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:11:06,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:11:06,362 INFO L87 Difference]: Start difference. First operand 3607 states and 4904 transitions. Second operand has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:08,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:08,468 INFO L93 Difference]: Finished difference Result 3718 states and 5051 transitions. [2024-11-28 05:11:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:11:08,468 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 162 [2024-11-28 05:11:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:08,473 INFO L225 Difference]: With dead ends: 3718 [2024-11-28 05:11:08,473 INFO L226 Difference]: Without dead ends: 3716 [2024-11-28 05:11:08,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=596, Unknown=0, NotChecked=0, Total=702 [2024-11-28 05:11:08,474 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 169 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 1809 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:08,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 664 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1809 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 05:11:08,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2024-11-28 05:11:08,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 3673. [2024-11-28 05:11:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3673 states, 3284 states have (on average 1.299634591961023) internal successors, (4268), 3307 states have internal predecessors, (4268), 363 states have call successors, (363), 2 states have call predecessors, (363), 2 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2024-11-28 05:11:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3673 states and 4994 transitions. [2024-11-28 05:11:08,842 INFO L78 Accepts]: Start accepts. Automaton has 3673 states and 4994 transitions. Word has length 162 [2024-11-28 05:11:08,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:08,842 INFO L471 AbstractCegarLoop]: Abstraction has 3673 states and 4994 transitions. [2024-11-28 05:11:08,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4994 transitions. [2024-11-28 05:11:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 05:11:08,843 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:08,843 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:08,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-28 05:11:09,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:09,044 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:09,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:09,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1631730285, now seen corresponding path program 3 times [2024-11-28 05:11:09,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:09,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647065781] [2024-11-28 05:11:09,044 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:09,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:09,066 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:11:09,066 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539365672] [2024-11-28 05:11:09,067 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:09,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:09,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:09,070 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:09,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-28 05:11:09,153 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:11:09,153 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:09,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:11:09,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-28 05:11:10,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:10,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:10,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647065781] [2024-11-28 05:11:10,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:10,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539365672] [2024-11-28 05:11:10,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539365672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:10,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:10,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:11:10,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353721532] [2024-11-28 05:11:10,311 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:10,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:11:10,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:10,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:11:10,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:11:10,312 INFO L87 Difference]: Start difference. First operand 3673 states and 4994 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:11,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:11,544 INFO L93 Difference]: Finished difference Result 3846 states and 5215 transitions. [2024-11-28 05:11:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:11:11,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 162 [2024-11-28 05:11:11,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:11,549 INFO L225 Difference]: With dead ends: 3846 [2024-11-28 05:11:11,549 INFO L226 Difference]: Without dead ends: 3845 [2024-11-28 05:11:11,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:11:11,550 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 154 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:11,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 595 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:11:11,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3845 states. [2024-11-28 05:11:11,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3845 to 3673. [2024-11-28 05:11:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3673 states, 3284 states have (on average 1.2993300852618757) internal successors, (4267), 3307 states have internal predecessors, (4267), 363 states have call successors, (363), 2 states have call predecessors, (363), 2 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2024-11-28 05:11:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3673 states and 4993 transitions. [2024-11-28 05:11:11,932 INFO L78 Accepts]: Start accepts. Automaton has 3673 states and 4993 transitions. Word has length 162 [2024-11-28 05:11:11,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:11,932 INFO L471 AbstractCegarLoop]: Abstraction has 3673 states and 4993 transitions. [2024-11-28 05:11:11,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4993 transitions. [2024-11-28 05:11:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 05:11:11,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:11,933 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:11,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-11-28 05:11:12,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:12,134 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:12,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1867785143, now seen corresponding path program 4 times [2024-11-28 05:11:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:12,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862983531] [2024-11-28 05:11:12,134 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:11:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:12,154 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:11:12,154 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:12,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177734588] [2024-11-28 05:11:12,155 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:11:12,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:12,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:12,157 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:12,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-28 05:11:12,259 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:11:12,260 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:12,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:11:12,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 05:11:13,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:13,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:13,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862983531] [2024-11-28 05:11:13,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:13,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177734588] [2024-11-28 05:11:13,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177734588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:13,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:13,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 05:11:13,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759686729] [2024-11-28 05:11:13,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:13,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:11:13,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:13,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:11:13,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:11:13,713 INFO L87 Difference]: Start difference. First operand 3673 states and 4993 transitions. Second operand has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:15,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:15,099 INFO L93 Difference]: Finished difference Result 3748 states and 5076 transitions. [2024-11-28 05:11:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:11:15,099 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 162 [2024-11-28 05:11:15,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:15,103 INFO L225 Difference]: With dead ends: 3748 [2024-11-28 05:11:15,103 INFO L226 Difference]: Without dead ends: 3747 [2024-11-28 05:11:15,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:11:15,104 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 154 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:15,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 733 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:11:15,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2024-11-28 05:11:15,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3673. [2024-11-28 05:11:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3673 states, 3284 states have (on average 1.2990255785627285) internal successors, (4266), 3307 states have internal predecessors, (4266), 363 states have call successors, (363), 2 states have call predecessors, (363), 2 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2024-11-28 05:11:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3673 states and 4992 transitions. [2024-11-28 05:11:15,463 INFO L78 Accepts]: Start accepts. Automaton has 3673 states and 4992 transitions. Word has length 162 [2024-11-28 05:11:15,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:15,464 INFO L471 AbstractCegarLoop]: Abstraction has 3673 states and 4992 transitions. [2024-11-28 05:11:15,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:15,464 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4992 transitions. [2024-11-28 05:11:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 05:11:15,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:15,465 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:15,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-28 05:11:15,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:15,665 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:15,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:15,665 INFO L85 PathProgramCache]: Analyzing trace with hash 145867818, now seen corresponding path program 2 times [2024-11-28 05:11:15,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:15,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846072085] [2024-11-28 05:11:15,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:15,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:15,683 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:15,683 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:15,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1018036627] [2024-11-28 05:11:15,684 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:15,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:15,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:15,687 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:15,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-28 05:11:15,757 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:15,757 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:15,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:11:15,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 83 proven. 49 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-28 05:11:16,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:16,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:16,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846072085] [2024-11-28 05:11:16,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:16,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018036627] [2024-11-28 05:11:16,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018036627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:16,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:16,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 05:11:16,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649673856] [2024-11-28 05:11:16,484 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:16,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:11:16,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:16,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:11:16,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:11:16,485 INFO L87 Difference]: Start difference. First operand 3673 states and 4992 transitions. Second operand has 10 states, 9 states have (on average 11.333333333333334) internal successors, (102), 10 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:17,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:17,542 INFO L93 Difference]: Finished difference Result 3901 states and 5275 transitions. [2024-11-28 05:11:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:11:17,543 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.333333333333334) internal successors, (102), 10 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 163 [2024-11-28 05:11:17,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:17,547 INFO L225 Difference]: With dead ends: 3901 [2024-11-28 05:11:17,547 INFO L226 Difference]: Without dead ends: 3892 [2024-11-28 05:11:17,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:11:17,548 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 200 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:17,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 247 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:11:17,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2024-11-28 05:11:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3426. [2024-11-28 05:11:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 3064 states have (on average 1.2852480417754568) internal successors, (3938), 3085 states have internal predecessors, (3938), 338 states have call successors, (338), 2 states have call predecessors, (338), 2 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-28 05:11:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 4614 transitions. [2024-11-28 05:11:17,918 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 4614 transitions. Word has length 163 [2024-11-28 05:11:17,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:17,918 INFO L471 AbstractCegarLoop]: Abstraction has 3426 states and 4614 transitions. [2024-11-28 05:11:17,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.333333333333334) internal successors, (102), 10 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 05:11:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 4614 transitions. [2024-11-28 05:11:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 05:11:17,919 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:17,919 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:17,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-11-28 05:11:18,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:18,120 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:18,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash 557617437, now seen corresponding path program 2 times [2024-11-28 05:11:18,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:18,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143758349] [2024-11-28 05:11:18,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:18,138 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:18,138 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:18,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743360531] [2024-11-28 05:11:18,139 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:18,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:18,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:18,141 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:18,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-28 05:11:18,206 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:18,206 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:18,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 05:11:18,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 05:11:18,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:19,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:19,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143758349] [2024-11-28 05:11:19,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:19,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743360531] [2024-11-28 05:11:19,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743360531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:19,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:19,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:11:19,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970421739] [2024-11-28 05:11:19,084 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:19,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:11:19,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:19,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:11:19,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:11:19,085 INFO L87 Difference]: Start difference. First operand 3426 states and 4614 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 05:11:22,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:22,484 INFO L93 Difference]: Finished difference Result 5409 states and 7337 transitions. [2024-11-28 05:11:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-28 05:11:22,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 164 [2024-11-28 05:11:22,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:22,491 INFO L225 Difference]: With dead ends: 5409 [2024-11-28 05:11:22,491 INFO L226 Difference]: Without dead ends: 5405 [2024-11-28 05:11:22,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=346, Invalid=1136, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 05:11:22,493 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 795 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:22,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 658 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2161 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 05:11:22,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5405 states. [2024-11-28 05:11:22,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5405 to 3624. [2024-11-28 05:11:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3624 states, 3243 states have (on average 1.2876965772432933) internal successors, (4176), 3264 states have internal predecessors, (4176), 357 states have call successors, (357), 2 states have call predecessors, (357), 2 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2024-11-28 05:11:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 3624 states and 4890 transitions. [2024-11-28 05:11:22,880 INFO L78 Accepts]: Start accepts. Automaton has 3624 states and 4890 transitions. Word has length 164 [2024-11-28 05:11:22,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:22,881 INFO L471 AbstractCegarLoop]: Abstraction has 3624 states and 4890 transitions. [2024-11-28 05:11:22,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 05:11:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3624 states and 4890 transitions. [2024-11-28 05:11:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 05:11:22,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:22,882 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:22,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-11-28 05:11:23,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:23,082 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:23,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:23,082 INFO L85 PathProgramCache]: Analyzing trace with hash -68559059, now seen corresponding path program 1 times [2024-11-28 05:11:23,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:23,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060126612] [2024-11-28 05:11:23,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:23,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-28 05:11:23,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:23,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060126612] [2024-11-28 05:11:23,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060126612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:23,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710343852] [2024-11-28 05:11:23,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:11:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:23,226 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:23,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-28 05:11:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:11:23,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:11:23,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-28 05:11:23,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2024-11-28 05:11:23,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710343852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:11:23,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:11:23,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 05:11:23,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508825015] [2024-11-28 05:11:23,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:23,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:11:23,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:23,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:11:23,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:11:23,609 INFO L87 Difference]: Start difference. First operand 3624 states and 4890 transitions. Second operand has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 05:11:25,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:11:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:25,948 INFO L93 Difference]: Finished difference Result 3626 states and 4892 transitions. [2024-11-28 05:11:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:11:25,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 166 [2024-11-28 05:11:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:25,952 INFO L225 Difference]: With dead ends: 3626 [2024-11-28 05:11:25,952 INFO L226 Difference]: Without dead ends: 3604 [2024-11-28 05:11:25,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:11:25,954 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:25,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 118 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:11:25,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2024-11-28 05:11:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 3602. [2024-11-28 05:11:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 3225 states have (on average 1.2852713178294575) internal successors, (4145), 3244 states have internal predecessors, (4145), 355 states have call successors, (355), 2 states have call predecessors, (355), 2 states have return successors, (355), 355 states have call predecessors, (355), 355 states have call successors, (355) [2024-11-28 05:11:26,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 4855 transitions. [2024-11-28 05:11:26,345 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 4855 transitions. Word has length 166 [2024-11-28 05:11:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:26,345 INFO L471 AbstractCegarLoop]: Abstraction has 3602 states and 4855 transitions. [2024-11-28 05:11:26,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 05:11:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 4855 transitions. [2024-11-28 05:11:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 05:11:26,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:26,346 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:26,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-11-28 05:11:26,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:26,547 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:26,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:26,547 INFO L85 PathProgramCache]: Analyzing trace with hash -666405522, now seen corresponding path program 3 times [2024-11-28 05:11:26,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:26,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039667550] [2024-11-28 05:11:26,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:26,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:26,568 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:11:26,568 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:26,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [248699102] [2024-11-28 05:11:26,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:26,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:26,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:26,572 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:26,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-28 05:11:26,638 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 05:11:26,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:26,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 05:11:26,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 58 proven. 63 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-28 05:11:27,741 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:28,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:28,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039667550] [2024-11-28 05:11:28,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:28,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248699102] [2024-11-28 05:11:28,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248699102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:28,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:28,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 05:11:28,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214325468] [2024-11-28 05:11:28,312 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:28,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:11:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:28,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:11:28,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:11:28,313 INFO L87 Difference]: Start difference. First operand 3602 states and 4855 transitions. Second operand has 11 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 05:11:32,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:39,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:42,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:45,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:47,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:49,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:50,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:50,084 INFO L93 Difference]: Finished difference Result 3637 states and 4887 transitions. [2024-11-28 05:11:50,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:11:50,084 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 170 [2024-11-28 05:11:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:50,088 INFO L225 Difference]: With dead ends: 3637 [2024-11-28 05:11:50,088 INFO L226 Difference]: Without dead ends: 3607 [2024-11-28 05:11:50,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=154, Invalid=496, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:11:50,089 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 160 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 20 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:50,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 351 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 932 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2024-11-28 05:11:50,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-11-28 05:11:50,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3476. [2024-11-28 05:11:50,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 3113 states have (on average 1.283649212977835) internal successors, (3996), 3132 states have internal predecessors, (3996), 341 states have call successors, (341), 2 states have call predecessors, (341), 2 states have return successors, (341), 341 states have call predecessors, (341), 341 states have call successors, (341) [2024-11-28 05:11:50,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4678 transitions. [2024-11-28 05:11:50,447 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4678 transitions. Word has length 170 [2024-11-28 05:11:50,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:50,448 INFO L471 AbstractCegarLoop]: Abstraction has 3476 states and 4678 transitions. [2024-11-28 05:11:50,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 05:11:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4678 transitions. [2024-11-28 05:11:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 05:11:50,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:50,448 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:50,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-11-28 05:11:50,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:50,649 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:50,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2071851680, now seen corresponding path program 2 times [2024-11-28 05:11:50,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:50,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183510962] [2024-11-28 05:11:50,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:50,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:50,662 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:50,662 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:50,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765712620] [2024-11-28 05:11:50,663 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:50,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:50,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:50,666 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:50,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-11-28 05:11:50,739 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:50,739 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:50,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:11:50,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:11:51,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:51,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:51,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183510962] [2024-11-28 05:11:51,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:51,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765712620] [2024-11-28 05:11:51,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765712620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:11:51,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:11:51,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:11:51,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115495781] [2024-11-28 05:11:51,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:51,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:11:51,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:51,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:11:51,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:11:51,996 INFO L87 Difference]: Start difference. First operand 3476 states and 4678 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:11:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:53,149 INFO L93 Difference]: Finished difference Result 3562 states and 4778 transitions. [2024-11-28 05:11:53,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:11:53,149 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) Word has length 170 [2024-11-28 05:11:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:53,153 INFO L225 Difference]: With dead ends: 3562 [2024-11-28 05:11:53,153 INFO L226 Difference]: Without dead ends: 3560 [2024-11-28 05:11:53,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:11:53,155 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 131 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:53,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 607 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:11:53,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2024-11-28 05:11:53,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3489. [2024-11-28 05:11:53,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 3125 states have (on average 1.28448) internal successors, (4014), 3144 states have internal predecessors, (4014), 342 states have call successors, (342), 2 states have call predecessors, (342), 2 states have return successors, (342), 342 states have call predecessors, (342), 342 states have call successors, (342) [2024-11-28 05:11:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4698 transitions. [2024-11-28 05:11:53,530 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4698 transitions. Word has length 170 [2024-11-28 05:11:53,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:53,531 INFO L471 AbstractCegarLoop]: Abstraction has 3489 states and 4698 transitions. [2024-11-28 05:11:53,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:11:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4698 transitions. [2024-11-28 05:11:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 05:11:53,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:53,532 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:53,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2024-11-28 05:11:53,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:53,732 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:11:53,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:53,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1501169540, now seen corresponding path program 3 times [2024-11-28 05:11:53,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:53,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169074556] [2024-11-28 05:11:53,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:53,750 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:11:53,750 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:53,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834970748] [2024-11-28 05:11:53,751 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:11:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:53,753 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:53,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-11-28 05:11:53,868 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 05:11:53,868 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:53,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 05:11:53,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:12:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 54 proven. 106 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-28 05:12:01,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:12:32,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:32,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169074556] [2024-11-28 05:12:32,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:12:32,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834970748] [2024-11-28 05:12:32,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834970748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:12:32,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:12:32,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 05:12:32,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793729807] [2024-11-28 05:12:32,194 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:12:32,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:12:32,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:32,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:12:32,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=337, Unknown=5, NotChecked=0, Total=420 [2024-11-28 05:12:32,195 INFO L87 Difference]: Start difference. First operand 3489 states and 4698 transitions. Second operand has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 6 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 05:12:40,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:41,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:43,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:45,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:49,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:50,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:52,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:53,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:56,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:12:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:58,042 INFO L93 Difference]: Finished difference Result 3761 states and 5024 transitions. [2024-11-28 05:12:58,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:12:58,042 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 6 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 170 [2024-11-28 05:12:58,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:58,046 INFO L225 Difference]: With dead ends: 3761 [2024-11-28 05:12:58,046 INFO L226 Difference]: Without dead ends: 3760 [2024-11-28 05:12:58,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 37.0s TimeCoverageRelationStatistics Valid=94, Invalid=407, Unknown=5, NotChecked=0, Total=506 [2024-11-28 05:12:58,047 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 250 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:58,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 628 Invalid, 1935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1923 Invalid, 1 Unknown, 0 Unchecked, 25.3s Time] [2024-11-28 05:12:58,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3760 states. [2024-11-28 05:12:58,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3760 to 3489. [2024-11-28 05:12:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 3125 states have (on average 1.28384) internal successors, (4012), 3144 states have internal predecessors, (4012), 342 states have call successors, (342), 2 states have call predecessors, (342), 2 states have return successors, (342), 342 states have call predecessors, (342), 342 states have call successors, (342) [2024-11-28 05:12:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4696 transitions. [2024-11-28 05:12:58,425 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4696 transitions. Word has length 170 [2024-11-28 05:12:58,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:58,425 INFO L471 AbstractCegarLoop]: Abstraction has 3489 states and 4696 transitions. [2024-11-28 05:12:58,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 6 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 05:12:58,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4696 transitions. [2024-11-28 05:12:58,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 05:12:58,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:58,426 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:58,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2024-11-28 05:12:58,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:12:58,626 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:12:58,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1237087662, now seen corresponding path program 4 times [2024-11-28 05:12:58,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:58,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851459338] [2024-11-28 05:12:58,627 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:12:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:58,658 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:12:58,658 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:12:58,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [28186209] [2024-11-28 05:12:58,659 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:12:58,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:12:58,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:12:58,662 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:12:58,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-11-28 05:12:58,780 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:12:58,781 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:12:58,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:12:58,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:12:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-28 05:12:59,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:12:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:12:59,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:59,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851459338] [2024-11-28 05:12:59,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:12:59,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28186209] [2024-11-28 05:12:59,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28186209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:12:59,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:12:59,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2024-11-28 05:12:59,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544627977] [2024-11-28 05:12:59,851 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:12:59,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:12:59,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:59,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:12:59,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:12:59,852 INFO L87 Difference]: Start difference. First operand 3489 states and 4696 transitions. Second operand has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 9 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 8 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-28 05:13:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:01,567 INFO L93 Difference]: Finished difference Result 3760 states and 5000 transitions. [2024-11-28 05:13:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:13:01,568 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 9 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 8 states have call predecessors, (24), 9 states have call successors, (24) Word has length 170 [2024-11-28 05:13:01,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:01,572 INFO L225 Difference]: With dead ends: 3760 [2024-11-28 05:13:01,572 INFO L226 Difference]: Without dead ends: 3757 [2024-11-28 05:13:01,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:13:01,573 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 505 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:01,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 630 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:13:01,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2024-11-28 05:13:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3485. [2024-11-28 05:13:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 3122 states have (on average 1.2761050608584241) internal successors, (3984), 3140 states have internal predecessors, (3984), 342 states have call successors, (342), 2 states have call predecessors, (342), 2 states have return successors, (342), 342 states have call predecessors, (342), 342 states have call successors, (342) [2024-11-28 05:13:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 4668 transitions. [2024-11-28 05:13:01,984 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 4668 transitions. Word has length 170 [2024-11-28 05:13:01,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:01,984 INFO L471 AbstractCegarLoop]: Abstraction has 3485 states and 4668 transitions. [2024-11-28 05:13:01,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.833333333333334) internal successors, (154), 13 states have internal predecessors, (154), 9 states have call successors, (23), 1 states have call predecessors, (23), 2 states have return successors, (24), 8 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-28 05:13:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 4668 transitions. [2024-11-28 05:13:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 05:13:01,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:01,985 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:01,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Ended with exit code 0 [2024-11-28 05:13:02,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:02,186 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:02,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:02,186 INFO L85 PathProgramCache]: Analyzing trace with hash -441536402, now seen corresponding path program 2 times [2024-11-28 05:13:02,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:02,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903794599] [2024-11-28 05:13:02,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:13:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:02,202 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:13:02,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:13:02,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966581458] [2024-11-28 05:13:02,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:13:02,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:02,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:02,209 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:02,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-11-28 05:13:02,287 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:13:02,287 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:13:02,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:13:02,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 3 proven. 135 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:13:03,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:03,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:03,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903794599] [2024-11-28 05:13:03,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:13:03,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966581458] [2024-11-28 05:13:03,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966581458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:03,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:13:03,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 05:13:03,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597566721] [2024-11-28 05:13:03,765 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:03,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:13:03,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:03,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:13:03,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:13:03,766 INFO L87 Difference]: Start difference. First operand 3485 states and 4668 transitions. Second operand has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:04,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:04,920 INFO L93 Difference]: Finished difference Result 3567 states and 4764 transitions. [2024-11-28 05:13:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:13:04,920 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 173 [2024-11-28 05:13:04,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:04,924 INFO L225 Difference]: With dead ends: 3567 [2024-11-28 05:13:04,924 INFO L226 Difference]: Without dead ends: 3540 [2024-11-28 05:13:04,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:13:04,926 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 129 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:04,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 618 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:13:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2024-11-28 05:13:05,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3514. [2024-11-28 05:13:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3514 states, 3148 states have (on average 1.2750952986022872) internal successors, (4014), 3166 states have internal predecessors, (4014), 345 states have call successors, (345), 2 states have call predecessors, (345), 2 states have return successors, (345), 345 states have call predecessors, (345), 345 states have call successors, (345) [2024-11-28 05:13:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3514 states and 4704 transitions. [2024-11-28 05:13:05,327 INFO L78 Accepts]: Start accepts. Automaton has 3514 states and 4704 transitions. Word has length 173 [2024-11-28 05:13:05,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:05,327 INFO L471 AbstractCegarLoop]: Abstraction has 3514 states and 4704 transitions. [2024-11-28 05:13:05,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:05,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 4704 transitions. [2024-11-28 05:13:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 05:13:05,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:05,328 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:05,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:05,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2024-11-28 05:13:05,529 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:05,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:05,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2142204654, now seen corresponding path program 3 times [2024-11-28 05:13:05,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:05,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517072213] [2024-11-28 05:13:05,530 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:13:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:05,552 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:13:05,553 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:13:05,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240145721] [2024-11-28 05:13:05,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:13:05,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:05,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:05,558 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:05,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-11-28 05:13:05,695 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:13:05,696 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:13:05,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:13:05,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-28 05:13:06,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:07,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:07,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517072213] [2024-11-28 05:13:07,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:13:07,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240145721] [2024-11-28 05:13:07,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240145721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:07,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:13:07,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:13:07,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201430445] [2024-11-28 05:13:07,024 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:07,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:13:07,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:07,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:13:07,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:13:07,025 INFO L87 Difference]: Start difference. First operand 3514 states and 4704 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:08,160 INFO L93 Difference]: Finished difference Result 3601 states and 4806 transitions. [2024-11-28 05:13:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:13:08,160 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 173 [2024-11-28 05:13:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:08,164 INFO L225 Difference]: With dead ends: 3601 [2024-11-28 05:13:08,164 INFO L226 Difference]: Without dead ends: 3574 [2024-11-28 05:13:08,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:13:08,166 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 130 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:08,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 417 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:13:08,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2024-11-28 05:13:08,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3547. [2024-11-28 05:13:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3547 states, 3178 states have (on average 1.2747010698552548) internal successors, (4051), 3196 states have internal predecessors, (4051), 348 states have call successors, (348), 2 states have call predecessors, (348), 2 states have return successors, (348), 348 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-28 05:13:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3547 states and 4747 transitions. [2024-11-28 05:13:08,579 INFO L78 Accepts]: Start accepts. Automaton has 3547 states and 4747 transitions. Word has length 173 [2024-11-28 05:13:08,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:08,579 INFO L471 AbstractCegarLoop]: Abstraction has 3547 states and 4747 transitions. [2024-11-28 05:13:08,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 4747 transitions. [2024-11-28 05:13:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 05:13:08,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:08,580 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:08,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Ended with exit code 0 [2024-11-28 05:13:08,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2024-11-28 05:13:08,781 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:08,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:08,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1035752800, now seen corresponding path program 4 times [2024-11-28 05:13:08,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:08,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948222346] [2024-11-28 05:13:08,782 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:13:08,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:08,801 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:13:08,801 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:13:08,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937463081] [2024-11-28 05:13:08,803 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:13:08,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:08,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:08,806 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:08,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-11-28 05:13:08,926 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:13:08,926 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:13:08,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:13:08,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 3 proven. 135 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:13:10,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:10,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:10,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948222346] [2024-11-28 05:13:10,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:13:10,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937463081] [2024-11-28 05:13:10,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937463081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:10,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:13:10,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 05:13:10,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839226601] [2024-11-28 05:13:10,398 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:10,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:13:10,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:10,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:13:10,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:13:10,399 INFO L87 Difference]: Start difference. First operand 3547 states and 4747 transitions. Second operand has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 11 states have internal predecessors, (107), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:11,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:11,883 INFO L93 Difference]: Finished difference Result 3707 states and 4944 transitions. [2024-11-28 05:13:11,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:13:11,883 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 11 states have internal predecessors, (107), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 173 [2024-11-28 05:13:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:11,887 INFO L225 Difference]: With dead ends: 3707 [2024-11-28 05:13:11,887 INFO L226 Difference]: Without dead ends: 3680 [2024-11-28 05:13:11,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:13:11,888 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 160 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:11,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 633 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:13:11,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2024-11-28 05:13:12,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3590. [2024-11-28 05:13:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 3217 states have (on average 1.274479328566988) internal successors, (4100), 3235 states have internal predecessors, (4100), 352 states have call successors, (352), 2 states have call predecessors, (352), 2 states have return successors, (352), 352 states have call predecessors, (352), 352 states have call successors, (352) [2024-11-28 05:13:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 4804 transitions. [2024-11-28 05:13:12,294 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 4804 transitions. Word has length 173 [2024-11-28 05:13:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:12,295 INFO L471 AbstractCegarLoop]: Abstraction has 3590 states and 4804 transitions. [2024-11-28 05:13:12,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.727272727272727) internal successors, (107), 11 states have internal predecessors, (107), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 4804 transitions. [2024-11-28 05:13:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 05:13:12,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:12,296 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:12,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:12,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-11-28 05:13:12,497 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:12,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:12,497 INFO L85 PathProgramCache]: Analyzing trace with hash -742995598, now seen corresponding path program 2 times [2024-11-28 05:13:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:12,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292334299] [2024-11-28 05:13:12,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:13:12,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:12,510 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:13:12,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:13:12,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173988363] [2024-11-28 05:13:12,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:13:12,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:12,512 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:12,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2024-11-28 05:13:12,578 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:13:12,578 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:13:12,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:13:12,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 40 proven. 113 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:13:14,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:15,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:15,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292334299] [2024-11-28 05:13:15,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:13:15,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173988363] [2024-11-28 05:13:15,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173988363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:15,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:13:15,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-28 05:13:15,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157616907] [2024-11-28 05:13:15,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:15,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:13:15,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:15,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:13:15,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:13:15,887 INFO L87 Difference]: Start difference. First operand 3590 states and 4804 transitions. Second operand has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:18,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:18,618 INFO L93 Difference]: Finished difference Result 4705 states and 6321 transitions. [2024-11-28 05:13:18,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 05:13:18,619 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 174 [2024-11-28 05:13:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:18,624 INFO L225 Difference]: With dead ends: 4705 [2024-11-28 05:13:18,624 INFO L226 Difference]: Without dead ends: 4702 [2024-11-28 05:13:18,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2024-11-28 05:13:18,625 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 427 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:18,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 712 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 05:13:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4702 states. [2024-11-28 05:13:19,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4702 to 4137. [2024-11-28 05:13:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4137 states, 3710 states have (on average 1.2824797843665767) internal successors, (4758), 3728 states have internal predecessors, (4758), 406 states have call successors, (406), 2 states have call predecessors, (406), 2 states have return successors, (406), 406 states have call predecessors, (406), 406 states have call successors, (406) [2024-11-28 05:13:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 4137 states and 5570 transitions. [2024-11-28 05:13:19,121 INFO L78 Accepts]: Start accepts. Automaton has 4137 states and 5570 transitions. Word has length 174 [2024-11-28 05:13:19,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:19,121 INFO L471 AbstractCegarLoop]: Abstraction has 4137 states and 5570 transitions. [2024-11-28 05:13:19,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 5570 transitions. [2024-11-28 05:13:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 05:13:19,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:19,122 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:19,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:19,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2024-11-28 05:13:19,323 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:19,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:19,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1558026974, now seen corresponding path program 2 times [2024-11-28 05:13:19,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:19,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97316031] [2024-11-28 05:13:19,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:13:19,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:19,340 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:13:19,340 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:13:19,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1566523921] [2024-11-28 05:13:19,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:13:19,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:19,345 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:19,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2024-11-28 05:13:19,423 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:13:19,424 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:13:19,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:13:19,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 89 proven. 67 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:13:20,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:20,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:20,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97316031] [2024-11-28 05:13:20,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:13:20,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566523921] [2024-11-28 05:13:20,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566523921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:20,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:13:20,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 05:13:20,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362331477] [2024-11-28 05:13:20,165 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:20,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:13:20,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:20,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:13:20,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:13:20,166 INFO L87 Difference]: Start difference. First operand 4137 states and 5570 transitions. Second operand has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:21,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:21,872 INFO L93 Difference]: Finished difference Result 5028 states and 6761 transitions. [2024-11-28 05:13:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:13:21,872 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 175 [2024-11-28 05:13:21,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:21,878 INFO L225 Difference]: With dead ends: 5028 [2024-11-28 05:13:21,878 INFO L226 Difference]: Without dead ends: 4998 [2024-11-28 05:13:21,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:13:21,879 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 327 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:21,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 646 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:13:21,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2024-11-28 05:13:22,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 4524. [2024-11-28 05:13:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4524 states, 4058 states have (on average 1.2811729916214885) internal successors, (5199), 4076 states have internal predecessors, (5199), 445 states have call successors, (445), 2 states have call predecessors, (445), 2 states have return successors, (445), 445 states have call predecessors, (445), 445 states have call successors, (445) [2024-11-28 05:13:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4524 states to 4524 states and 6089 transitions. [2024-11-28 05:13:22,536 INFO L78 Accepts]: Start accepts. Automaton has 4524 states and 6089 transitions. Word has length 175 [2024-11-28 05:13:22,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:22,536 INFO L471 AbstractCegarLoop]: Abstraction has 4524 states and 6089 transitions. [2024-11-28 05:13:22,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-28 05:13:22,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4524 states and 6089 transitions. [2024-11-28 05:13:22,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 05:13:22,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:22,538 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:22,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:22,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2024-11-28 05:13:22,738 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:22,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:22,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1369335084, now seen corresponding path program 1 times [2024-11-28 05:13:22,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:22,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202665927] [2024-11-28 05:13:22,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:22,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:13:22,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810749883] [2024-11-28 05:13:22,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:22,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:22,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:22,756 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:22,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2024-11-28 05:13:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:22,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 05:13:22,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:13:24,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-28 05:13:25,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:25,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202665927] [2024-11-28 05:13:25,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:13:25,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810749883] [2024-11-28 05:13:25,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810749883] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:13:25,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:13:25,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2024-11-28 05:13:25,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767836664] [2024-11-28 05:13:25,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:25,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:13:25,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:25,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:13:25,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:13:25,966 INFO L87 Difference]: Start difference. First operand 4524 states and 6089 transitions. Second operand has 22 states, 21 states have (on average 9.952380952380953) internal successors, (209), 22 states have internal predecessors, (209), 11 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-28 05:13:34,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:34,278 INFO L93 Difference]: Finished difference Result 4701 states and 6300 transitions. [2024-11-28 05:13:34,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-28 05:13:34,279 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 9.952380952380953) internal successors, (209), 22 states have internal predecessors, (209), 11 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) Word has length 175 [2024-11-28 05:13:34,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:34,285 INFO L225 Difference]: With dead ends: 4701 [2024-11-28 05:13:34,285 INFO L226 Difference]: Without dead ends: 4700 [2024-11-28 05:13:34,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=466, Invalid=1426, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 05:13:34,286 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 672 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 2870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:34,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 761 Invalid, 2870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-28 05:13:34,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2024-11-28 05:13:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 4595. [2024-11-28 05:13:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4595 states, 4122 states have (on average 1.2789907811741872) internal successors, (5272), 4140 states have internal predecessors, (5272), 452 states have call successors, (452), 2 states have call predecessors, (452), 2 states have return successors, (452), 452 states have call predecessors, (452), 452 states have call successors, (452) [2024-11-28 05:13:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 4595 states and 6176 transitions. [2024-11-28 05:13:34,864 INFO L78 Accepts]: Start accepts. Automaton has 4595 states and 6176 transitions. Word has length 175 [2024-11-28 05:13:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:34,864 INFO L471 AbstractCegarLoop]: Abstraction has 4595 states and 6176 transitions. [2024-11-28 05:13:34,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.952380952380953) internal successors, (209), 22 states have internal predecessors, (209), 11 states have call successors, (29), 1 states have call predecessors, (29), 2 states have return successors, (30), 10 states have call predecessors, (30), 11 states have call successors, (30) [2024-11-28 05:13:34,864 INFO L276 IsEmpty]: Start isEmpty. Operand 4595 states and 6176 transitions. [2024-11-28 05:13:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-28 05:13:34,865 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:34,865 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:34,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:35,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:35,066 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:35,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1535454880, now seen corresponding path program 1 times [2024-11-28 05:13:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:35,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350827261] [2024-11-28 05:13:35,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:35,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:35,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350827261] [2024-11-28 05:13:35,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350827261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:35,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184979411] [2024-11-28 05:13:35,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:35,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:35,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:35,217 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:35,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2024-11-28 05:13:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:35,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:13:35,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 25 proven. 121 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:35,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:36,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184979411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:13:36,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:13:36,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2024-11-28 05:13:36,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507420609] [2024-11-28 05:13:36,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:36,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 05:13:36,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:36,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 05:13:36,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:13:36,022 INFO L87 Difference]: Start difference. First operand 4595 states and 6176 transitions. Second operand has 19 states, 18 states have (on average 14.88888888888889) internal successors, (268), 19 states have internal predecessors, (268), 12 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 12 states have call predecessors, (38), 12 states have call successors, (38) [2024-11-28 05:13:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:38,641 INFO L93 Difference]: Finished difference Result 6954 states and 9329 transitions. [2024-11-28 05:13:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-28 05:13:38,642 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 14.88888888888889) internal successors, (268), 19 states have internal predecessors, (268), 12 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 12 states have call predecessors, (38), 12 states have call successors, (38) Word has length 184 [2024-11-28 05:13:38,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:38,650 INFO L225 Difference]: With dead ends: 6954 [2024-11-28 05:13:38,650 INFO L226 Difference]: Without dead ends: 6953 [2024-11-28 05:13:38,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=919, Invalid=2051, Unknown=0, NotChecked=0, Total=2970 [2024-11-28 05:13:38,651 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 970 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 1697 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:38,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 1697 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:13:38,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2024-11-28 05:13:39,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6259. [2024-11-28 05:13:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6259 states, 5617 states have (on average 1.2921488338970981) internal successors, (7258), 5635 states have internal predecessors, (7258), 621 states have call successors, (621), 2 states have call predecessors, (621), 2 states have return successors, (621), 621 states have call predecessors, (621), 621 states have call successors, (621) [2024-11-28 05:13:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6259 states to 6259 states and 8500 transitions. [2024-11-28 05:13:39,483 INFO L78 Accepts]: Start accepts. Automaton has 6259 states and 8500 transitions. Word has length 184 [2024-11-28 05:13:39,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:39,483 INFO L471 AbstractCegarLoop]: Abstraction has 6259 states and 8500 transitions. [2024-11-28 05:13:39,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 14.88888888888889) internal successors, (268), 19 states have internal predecessors, (268), 12 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 12 states have call predecessors, (38), 12 states have call successors, (38) [2024-11-28 05:13:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 6259 states and 8500 transitions. [2024-11-28 05:13:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-28 05:13:39,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:39,484 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:39,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Ended with exit code 0 [2024-11-28 05:13:39,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,87 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:39,685 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:39,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:39,685 INFO L85 PathProgramCache]: Analyzing trace with hash -671620448, now seen corresponding path program 1 times [2024-11-28 05:13:39,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:39,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817560033] [2024-11-28 05:13:39,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:39,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:39,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:39,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817560033] [2024-11-28 05:13:39,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817560033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:39,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576088631] [2024-11-28 05:13:39,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:39,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:39,840 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:39,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2024-11-28 05:13:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:39,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:13:39,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 48 proven. 98 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:40,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:40,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576088631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:13:40,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:13:40,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-28 05:13:40,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673621214] [2024-11-28 05:13:40,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:40,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 05:13:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:40,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 05:13:40,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:13:40,607 INFO L87 Difference]: Start difference. First operand 6259 states and 8500 transitions. Second operand has 20 states, 19 states have (on average 16.63157894736842) internal successors, (316), 20 states have internal predecessors, (316), 16 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 16 states have call predecessors, (48), 16 states have call successors, (48) [2024-11-28 05:13:43,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:43,972 INFO L93 Difference]: Finished difference Result 9498 states and 12877 transitions. [2024-11-28 05:13:43,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-28 05:13:43,972 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 16.63157894736842) internal successors, (316), 20 states have internal predecessors, (316), 16 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 16 states have call predecessors, (48), 16 states have call successors, (48) Word has length 184 [2024-11-28 05:13:43,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:43,981 INFO L225 Difference]: With dead ends: 9498 [2024-11-28 05:13:43,981 INFO L226 Difference]: Without dead ends: 9497 [2024-11-28 05:13:43,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1306, Invalid=3950, Unknown=0, NotChecked=0, Total=5256 [2024-11-28 05:13:43,982 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 1529 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:43,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 1140 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:13:43,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9497 states. [2024-11-28 05:13:45,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9497 to 6607. [2024-11-28 05:13:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6607 states, 5929 states have (on average 1.2914488109293305) internal successors, (7657), 5947 states have internal predecessors, (7657), 657 states have call successors, (657), 2 states have call predecessors, (657), 2 states have return successors, (657), 657 states have call predecessors, (657), 657 states have call successors, (657) [2024-11-28 05:13:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6607 states to 6607 states and 8971 transitions. [2024-11-28 05:13:45,198 INFO L78 Accepts]: Start accepts. Automaton has 6607 states and 8971 transitions. Word has length 184 [2024-11-28 05:13:45,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:45,198 INFO L471 AbstractCegarLoop]: Abstraction has 6607 states and 8971 transitions. [2024-11-28 05:13:45,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.63157894736842) internal successors, (316), 20 states have internal predecessors, (316), 16 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 16 states have call predecessors, (48), 16 states have call successors, (48) [2024-11-28 05:13:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 6607 states and 8971 transitions. [2024-11-28 05:13:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-28 05:13:45,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:45,199 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:45,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Ended with exit code 0 [2024-11-28 05:13:45,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,88 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:45,400 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:45,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:45,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2100742737, now seen corresponding path program 1 times [2024-11-28 05:13:45,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:45,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956755645] [2024-11-28 05:13:45,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:45,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:45,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:45,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956755645] [2024-11-28 05:13:45,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956755645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:45,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622674790] [2024-11-28 05:13:45,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:45,514 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:45,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2024-11-28 05:13:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:45,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:13:45,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:45,957 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:46,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622674790] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:13:46,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:13:46,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-28 05:13:46,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768800028] [2024-11-28 05:13:46,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:46,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:13:46,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:46,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:13:46,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:13:46,219 INFO L87 Difference]: Start difference. First operand 6607 states and 8971 transitions. Second operand has 14 states, 13 states have (on average 24.23076923076923) internal successors, (315), 14 states have internal predecessors, (315), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-28 05:13:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:48,190 INFO L93 Difference]: Finished difference Result 8105 states and 10924 transitions. [2024-11-28 05:13:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:13:48,190 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 24.23076923076923) internal successors, (315), 14 states have internal predecessors, (315), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 185 [2024-11-28 05:13:48,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:48,198 INFO L225 Difference]: With dead ends: 8105 [2024-11-28 05:13:48,198 INFO L226 Difference]: Without dead ends: 8103 [2024-11-28 05:13:48,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=227, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:13:48,201 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 640 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:48,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 573 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:13:48,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8103 states. [2024-11-28 05:13:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8103 to 7648. [2024-11-28 05:13:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7648 states, 6863 states have (on average 1.2920005828354946) internal successors, (8867), 6881 states have internal predecessors, (8867), 764 states have call successors, (764), 2 states have call predecessors, (764), 2 states have return successors, (764), 764 states have call predecessors, (764), 764 states have call successors, (764) [2024-11-28 05:13:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7648 states to 7648 states and 10395 transitions. [2024-11-28 05:13:49,468 INFO L78 Accepts]: Start accepts. Automaton has 7648 states and 10395 transitions. Word has length 185 [2024-11-28 05:13:49,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:49,468 INFO L471 AbstractCegarLoop]: Abstraction has 7648 states and 10395 transitions. [2024-11-28 05:13:49,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 24.23076923076923) internal successors, (315), 14 states have internal predecessors, (315), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-28 05:13:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 7648 states and 10395 transitions. [2024-11-28 05:13:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-28 05:13:49,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:49,470 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:49,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Ended with exit code 0 [2024-11-28 05:13:49,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,89 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:49,671 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:49,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1256676878, now seen corresponding path program 1 times [2024-11-28 05:13:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:49,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751687553] [2024-11-28 05:13:49,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:49,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:49,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:49,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751687553] [2024-11-28 05:13:49,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751687553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:49,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681803123] [2024-11-28 05:13:49,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:49,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:49,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:49,869 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:49,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2024-11-28 05:13:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:49,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:13:49,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:50,369 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:13:50,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681803123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:13:50,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:13:50,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-28 05:13:50,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037948661] [2024-11-28 05:13:50,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:50,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:13:50,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:50,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:13:50,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:13:50,667 INFO L87 Difference]: Start difference. First operand 7648 states and 10395 transitions. Second operand has 14 states, 13 states have (on average 24.923076923076923) internal successors, (324), 14 states have internal predecessors, (324), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-28 05:13:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:52,881 INFO L93 Difference]: Finished difference Result 8982 states and 12113 transitions. [2024-11-28 05:13:52,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:13:52,881 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 24.923076923076923) internal successors, (324), 14 states have internal predecessors, (324), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 188 [2024-11-28 05:13:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:52,890 INFO L225 Difference]: With dead ends: 8982 [2024-11-28 05:13:52,890 INFO L226 Difference]: Without dead ends: 8980 [2024-11-28 05:13:52,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:13:52,892 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 432 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:52,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 677 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:13:52,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8980 states. [2024-11-28 05:13:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8980 to 8611. [2024-11-28 05:13:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8611 states, 7736 states have (on average 1.2856773526370218) internal successors, (9946), 7754 states have internal predecessors, (9946), 854 states have call successors, (854), 2 states have call predecessors, (854), 2 states have return successors, (854), 854 states have call predecessors, (854), 854 states have call successors, (854) [2024-11-28 05:13:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8611 states to 8611 states and 11654 transitions. [2024-11-28 05:13:54,102 INFO L78 Accepts]: Start accepts. Automaton has 8611 states and 11654 transitions. Word has length 188 [2024-11-28 05:13:54,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:54,102 INFO L471 AbstractCegarLoop]: Abstraction has 8611 states and 11654 transitions. [2024-11-28 05:13:54,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 24.923076923076923) internal successors, (324), 14 states have internal predecessors, (324), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-28 05:13:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 8611 states and 11654 transitions. [2024-11-28 05:13:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:13:54,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:54,103 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:54,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Ended with exit code 0 [2024-11-28 05:13:54,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,90 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:54,304 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:13:54,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:54,304 INFO L85 PathProgramCache]: Analyzing trace with hash -943541160, now seen corresponding path program 9 times [2024-11-28 05:13:54,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:54,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484133721] [2024-11-28 05:13:54,304 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:13:54,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:54,325 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-28 05:13:54,325 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:13:54,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882827840] [2024-11-28 05:13:54,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:13:54,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:54,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:54,328 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:54,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2024-11-28 05:13:54,543 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:13:54,543 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:13:54,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 05:13:54,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 92 proven. 71 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-28 05:13:56,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:56,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:56,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484133721] [2024-11-28 05:13:56,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:13:56,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882827840] [2024-11-28 05:13:56,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882827840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:56,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:13:56,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:13:56,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793885794] [2024-11-28 05:13:56,874 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:56,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:13:56,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:56,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:13:56,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:13:56,875 INFO L87 Difference]: Start difference. First operand 8611 states and 11654 transitions. Second operand has 16 states, 15 states have (on average 5.2) internal successors, (78), 15 states have internal predecessors, (78), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-28 05:13:59,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:01,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:01,326 INFO L93 Difference]: Finished difference Result 8636 states and 11676 transitions. [2024-11-28 05:14:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 05:14:01,327 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.2) internal successors, (78), 15 states have internal predecessors, (78), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) Word has length 190 [2024-11-28 05:14:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:01,335 INFO L225 Difference]: With dead ends: 8636 [2024-11-28 05:14:01,335 INFO L226 Difference]: Without dead ends: 8624 [2024-11-28 05:14:01,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 05:14:01,337 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 330 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:01,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 352 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 05:14:01,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8624 states. [2024-11-28 05:14:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8624 to 8616. [2024-11-28 05:14:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8616 states, 7740 states have (on average 1.2848837209302326) internal successors, (9945), 7758 states have internal predecessors, (9945), 855 states have call successors, (855), 2 states have call predecessors, (855), 2 states have return successors, (855), 855 states have call predecessors, (855), 855 states have call successors, (855) [2024-11-28 05:14:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8616 states to 8616 states and 11655 transitions. [2024-11-28 05:14:02,564 INFO L78 Accepts]: Start accepts. Automaton has 8616 states and 11655 transitions. Word has length 190 [2024-11-28 05:14:02,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:02,564 INFO L471 AbstractCegarLoop]: Abstraction has 8616 states and 11655 transitions. [2024-11-28 05:14:02,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.2) internal successors, (78), 15 states have internal predecessors, (78), 6 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-28 05:14:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8616 states and 11655 transitions. [2024-11-28 05:14:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:14:02,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:02,566 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:02,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2024-11-28 05:14:02,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,91 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:02,766 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:14:02,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:02,766 INFO L85 PathProgramCache]: Analyzing trace with hash -2042260684, now seen corresponding path program 10 times [2024-11-28 05:14:02,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:02,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786152777] [2024-11-28 05:14:02,767 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:14:02,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:02,786 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:14:02,786 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:14:02,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938544612] [2024-11-28 05:14:02,787 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:14:02,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:02,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:02,789 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:02,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2024-11-28 05:14:02,891 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:14:02,892 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:02,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:14:02,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:14:03,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:03,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786152777] [2024-11-28 05:14:03,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:14:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938544612] [2024-11-28 05:14:03,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938544612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:03,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:14:03,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 05:14:03,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004500817] [2024-11-28 05:14:03,816 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:03,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:14:03,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:03,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:14:03,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:14:03,817 INFO L87 Difference]: Start difference. First operand 8616 states and 11655 transitions. Second operand has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:14:05,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:05,693 INFO L93 Difference]: Finished difference Result 8644 states and 11684 transitions. [2024-11-28 05:14:05,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:14:05,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 190 [2024-11-28 05:14:05,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:05,701 INFO L225 Difference]: With dead ends: 8644 [2024-11-28 05:14:05,701 INFO L226 Difference]: Without dead ends: 8642 [2024-11-28 05:14:05,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:14:05,702 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 68 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:05,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 532 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:14:05,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8642 states. [2024-11-28 05:14:07,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8642 to 8632. [2024-11-28 05:14:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8632 states, 7754 states have (on average 1.2842403920557133) internal successors, (9958), 7772 states have internal predecessors, (9958), 857 states have call successors, (857), 2 states have call predecessors, (857), 2 states have return successors, (857), 857 states have call predecessors, (857), 857 states have call successors, (857) [2024-11-28 05:14:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8632 states to 8632 states and 11672 transitions. [2024-11-28 05:14:07,104 INFO L78 Accepts]: Start accepts. Automaton has 8632 states and 11672 transitions. Word has length 190 [2024-11-28 05:14:07,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:07,104 INFO L471 AbstractCegarLoop]: Abstraction has 8632 states and 11672 transitions. [2024-11-28 05:14:07,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:14:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 8632 states and 11672 transitions. [2024-11-28 05:14:07,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:14:07,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:07,106 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:07,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Ended with exit code 0 [2024-11-28 05:14:07,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,92 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:07,306 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:14:07,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:07,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1091560474, now seen corresponding path program 11 times [2024-11-28 05:14:07,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:07,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733017565] [2024-11-28 05:14:07,307 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:14:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:07,335 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:14:07,335 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:14:07,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397023143] [2024-11-28 05:14:07,336 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:14:07,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:07,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:07,340 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:07,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2024-11-28 05:14:08,044 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:14:08,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:08,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 05:14:08,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 30 proven. 161 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-28 05:14:14,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:14,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:14,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733017565] [2024-11-28 05:14:14,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:14:14,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397023143] [2024-11-28 05:14:14,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397023143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:14,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:14:14,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-28 05:14:14,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650206185] [2024-11-28 05:14:14,753 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:14,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:14:14,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:14,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:14:14,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=249, Unknown=1, NotChecked=0, Total=306 [2024-11-28 05:14:14,754 INFO L87 Difference]: Start difference. First operand 8632 states and 11672 transitions. Second operand has 15 states, 14 states have (on average 8.5) internal successors, (119), 15 states have internal predecessors, (119), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 05:14:20,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:27,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:29,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:36,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:38,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:42,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:46,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:49,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:50,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:14:54,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:54,060 INFO L93 Difference]: Finished difference Result 8654 states and 11692 transitions. [2024-11-28 05:14:54,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 05:14:54,061 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.5) internal successors, (119), 15 states have internal predecessors, (119), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 190 [2024-11-28 05:14:54,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:54,070 INFO L225 Difference]: With dead ends: 8654 [2024-11-28 05:14:54,071 INFO L226 Difference]: Without dead ends: 8636 [2024-11-28 05:14:54,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=91, Invalid=414, Unknown=1, NotChecked=0, Total=506 [2024-11-28 05:14:54,073 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 91 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 11 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:54,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 464 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1917 Invalid, 9 Unknown, 0 Unchecked, 35.5s Time] [2024-11-28 05:14:54,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8636 states. [2024-11-28 05:14:55,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8636 to 8632. [2024-11-28 05:14:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8632 states, 7754 states have (on average 1.283982460665463) internal successors, (9956), 7772 states have internal predecessors, (9956), 857 states have call successors, (857), 2 states have call predecessors, (857), 2 states have return successors, (857), 857 states have call predecessors, (857), 857 states have call successors, (857) [2024-11-28 05:14:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8632 states to 8632 states and 11670 transitions. [2024-11-28 05:14:55,366 INFO L78 Accepts]: Start accepts. Automaton has 8632 states and 11670 transitions. Word has length 190 [2024-11-28 05:14:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:55,366 INFO L471 AbstractCegarLoop]: Abstraction has 8632 states and 11670 transitions. [2024-11-28 05:14:55,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.5) internal successors, (119), 15 states have internal predecessors, (119), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 05:14:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 8632 states and 11670 transitions. [2024-11-28 05:14:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:14:55,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:55,367 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:55,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Ended with exit code 0 [2024-11-28 05:14:55,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97,93 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:55,568 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:14:55,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:55,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1592910888, now seen corresponding path program 12 times [2024-11-28 05:14:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:55,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720433201] [2024-11-28 05:14:55,568 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:14:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:55,589 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:14:55,589 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:14:55,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967622380] [2024-11-28 05:14:55,591 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:14:55,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:55,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:55,593 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:55,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2024-11-28 05:14:55,747 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:14:55,747 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:55,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 05:14:55,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:14:58,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:59,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:59,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720433201] [2024-11-28 05:14:59,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:14:59,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967622380] [2024-11-28 05:14:59,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967622380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:59,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:14:59,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-28 05:14:59,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739868068] [2024-11-28 05:14:59,008 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:59,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:14:59,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:59,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:14:59,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:14:59,009 INFO L87 Difference]: Start difference. First operand 8632 states and 11670 transitions. Second operand has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 05:15:03,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:03,992 INFO L93 Difference]: Finished difference Result 8666 states and 11705 transitions. [2024-11-28 05:15:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:15:03,992 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 190 [2024-11-28 05:15:03,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:04,000 INFO L225 Difference]: With dead ends: 8666 [2024-11-28 05:15:04,000 INFO L226 Difference]: Without dead ends: 8664 [2024-11-28 05:15:04,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:15:04,001 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 87 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 2406 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:04,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 611 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2406 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 05:15:04,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2024-11-28 05:15:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8632. [2024-11-28 05:15:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8632 states, 7754 states have (on average 1.283853494970338) internal successors, (9955), 7772 states have internal predecessors, (9955), 857 states have call successors, (857), 2 states have call predecessors, (857), 2 states have return successors, (857), 857 states have call predecessors, (857), 857 states have call successors, (857) [2024-11-28 05:15:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8632 states to 8632 states and 11669 transitions. [2024-11-28 05:15:05,245 INFO L78 Accepts]: Start accepts. Automaton has 8632 states and 11669 transitions. Word has length 190 [2024-11-28 05:15:05,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:05,245 INFO L471 AbstractCegarLoop]: Abstraction has 8632 states and 11669 transitions. [2024-11-28 05:15:05,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.285714285714286) internal successors, (116), 15 states have internal predecessors, (116), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-28 05:15:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 8632 states and 11669 transitions. [2024-11-28 05:15:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:05,247 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:05,247 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:05,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Ended with exit code 0 [2024-11-28 05:15:05,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,94 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:05,448 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:05,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash -642210678, now seen corresponding path program 13 times [2024-11-28 05:15:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:05,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431939770] [2024-11-28 05:15:05,448 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:15:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:15:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925163753] [2024-11-28 05:15:05,462 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:15:05,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:05,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:05,466 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:05,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2024-11-28 05:15:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:05,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:15:05,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:06,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:07,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:07,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431939770] [2024-11-28 05:15:07,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:07,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925163753] [2024-11-28 05:15:07,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925163753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:07,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:07,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:15:07,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592581190] [2024-11-28 05:15:07,148 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:07,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:15:07,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:07,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:15:07,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:07,149 INFO L87 Difference]: Start difference. First operand 8632 states and 11669 transitions. Second operand has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:10,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:10,173 INFO L93 Difference]: Finished difference Result 8652 states and 11687 transitions. [2024-11-28 05:15:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:15:10,174 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 190 [2024-11-28 05:15:10,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:10,181 INFO L225 Difference]: With dead ends: 8652 [2024-11-28 05:15:10,182 INFO L226 Difference]: Without dead ends: 8634 [2024-11-28 05:15:10,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:10,183 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 62 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:10,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 624 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:15:10,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8634 states. [2024-11-28 05:15:11,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8634 to 8632. [2024-11-28 05:15:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8632 states, 7754 states have (on average 1.2835955635800878) internal successors, (9953), 7772 states have internal predecessors, (9953), 857 states have call successors, (857), 2 states have call predecessors, (857), 2 states have return successors, (857), 857 states have call predecessors, (857), 857 states have call successors, (857) [2024-11-28 05:15:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8632 states to 8632 states and 11667 transitions. [2024-11-28 05:15:11,420 INFO L78 Accepts]: Start accepts. Automaton has 8632 states and 11667 transitions. Word has length 190 [2024-11-28 05:15:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:11,420 INFO L471 AbstractCegarLoop]: Abstraction has 8632 states and 11667 transitions. [2024-11-28 05:15:11,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 8632 states and 11667 transitions. [2024-11-28 05:15:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:11,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:11,422 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:11,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Forceful destruction successful, exit code 0 [2024-11-28 05:15:11,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99,95 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:11,622 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:11,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:11,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1740930202, now seen corresponding path program 14 times [2024-11-28 05:15:11,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:11,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897438534] [2024-11-28 05:15:11,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:15:11,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:11,636 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:15:11,636 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:11,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458603383] [2024-11-28 05:15:11,636 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:15:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:11,638 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:11,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2024-11-28 05:15:11,720 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:15:11,721 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:11,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:15:11,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:13,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:13,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:13,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897438534] [2024-11-28 05:15:13,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:13,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458603383] [2024-11-28 05:15:13,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458603383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:13,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:13,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:15:13,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443680415] [2024-11-28 05:15:13,348 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:13,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:15:13,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:13,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:15:13,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:13,349 INFO L87 Difference]: Start difference. First operand 8632 states and 11667 transitions. Second operand has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:16,186 INFO L93 Difference]: Finished difference Result 8659 states and 11696 transitions. [2024-11-28 05:15:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:15:16,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 190 [2024-11-28 05:15:16,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:16,195 INFO L225 Difference]: With dead ends: 8659 [2024-11-28 05:15:16,195 INFO L226 Difference]: Without dead ends: 8657 [2024-11-28 05:15:16,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:16,197 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 67 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:16,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 579 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 05:15:16,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8657 states. [2024-11-28 05:15:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8657 to 8632. [2024-11-28 05:15:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8632 states, 7754 states have (on average 1.2834665978849626) internal successors, (9952), 7772 states have internal predecessors, (9952), 857 states have call successors, (857), 2 states have call predecessors, (857), 2 states have return successors, (857), 857 states have call predecessors, (857), 857 states have call successors, (857) [2024-11-28 05:15:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8632 states to 8632 states and 11666 transitions. [2024-11-28 05:15:17,463 INFO L78 Accepts]: Start accepts. Automaton has 8632 states and 11666 transitions. Word has length 190 [2024-11-28 05:15:17,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:17,463 INFO L471 AbstractCegarLoop]: Abstraction has 8632 states and 11666 transitions. [2024-11-28 05:15:17,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 8632 states and 11666 transitions. [2024-11-28 05:15:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:17,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:17,465 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:17,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Ended with exit code 0 [2024-11-28 05:15:17,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 96 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2024-11-28 05:15:17,665 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:17,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:17,666 INFO L85 PathProgramCache]: Analyzing trace with hash -790229992, now seen corresponding path program 15 times [2024-11-28 05:15:17,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:17,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893394730] [2024-11-28 05:15:17,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:15:17,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:17,686 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-28 05:15:17,686 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:17,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [820608817] [2024-11-28 05:15:17,687 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:15:17,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:17,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:17,691 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:17,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2024-11-28 05:15:17,778 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:15:17,778 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:17,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:15:17,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 27 proven. 147 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-28 05:15:18,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:19,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:19,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893394730] [2024-11-28 05:15:19,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:19,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820608817] [2024-11-28 05:15:19,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820608817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:19,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:19,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 05:15:19,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150988140] [2024-11-28 05:15:19,062 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:19,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:15:19,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:19,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:15:19,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:15:19,063 INFO L87 Difference]: Start difference. First operand 8632 states and 11666 transitions. Second operand has 11 states, 10 states have (on average 10.0) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:15:22,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:22,223 INFO L93 Difference]: Finished difference Result 8760 states and 11822 transitions. [2024-11-28 05:15:22,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:15:22,224 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.0) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 190 [2024-11-28 05:15:22,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:22,232 INFO L225 Difference]: With dead ends: 8760 [2024-11-28 05:15:22,232 INFO L226 Difference]: Without dead ends: 8725 [2024-11-28 05:15:22,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:15:22,233 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 345 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:22,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 705 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:15:22,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8725 states. [2024-11-28 05:15:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8725 to 8695. [2024-11-28 05:15:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8695 states, 7811 states have (on average 1.27806938932275) internal successors, (9983), 7829 states have internal predecessors, (9983), 863 states have call successors, (863), 2 states have call predecessors, (863), 2 states have return successors, (863), 863 states have call predecessors, (863), 863 states have call successors, (863) [2024-11-28 05:15:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8695 states to 8695 states and 11709 transitions. [2024-11-28 05:15:23,490 INFO L78 Accepts]: Start accepts. Automaton has 8695 states and 11709 transitions. Word has length 190 [2024-11-28 05:15:23,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:23,490 INFO L471 AbstractCegarLoop]: Abstraction has 8695 states and 11709 transitions. [2024-11-28 05:15:23,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.0) internal successors, (100), 11 states have internal predecessors, (100), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:15:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 8695 states and 11709 transitions. [2024-11-28 05:15:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:23,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:23,491 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:23,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Ended with exit code 0 [2024-11-28 05:15:23,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101,97 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:23,691 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:23,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:23,692 INFO L85 PathProgramCache]: Analyzing trace with hash -933979212, now seen corresponding path program 16 times [2024-11-28 05:15:23,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:23,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10652321] [2024-11-28 05:15:23,692 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:15:23,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:23,707 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:15:23,708 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:23,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909956987] [2024-11-28 05:15:23,708 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:15:23,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:23,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:23,710 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:23,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2024-11-28 05:15:23,789 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:15:23,789 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:23,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:15:23,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:24,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:25,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:25,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10652321] [2024-11-28 05:15:25,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:25,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909956987] [2024-11-28 05:15:25,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909956987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:15:25,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:15:25,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 05:15:25,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049126769] [2024-11-28 05:15:25,866 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:25,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:15:25,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:25,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:15:25,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:15:25,867 INFO L87 Difference]: Start difference. First operand 8695 states and 11709 transitions. Second operand has 14 states, 13 states have (on average 17.153846153846153) internal successors, (223), 14 states have internal predecessors, (223), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-28 05:15:32,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:32,103 INFO L93 Difference]: Finished difference Result 8810 states and 11834 transitions. [2024-11-28 05:15:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:15:32,103 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 17.153846153846153) internal successors, (223), 14 states have internal predecessors, (223), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) Word has length 190 [2024-11-28 05:15:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:32,110 INFO L225 Difference]: With dead ends: 8810 [2024-11-28 05:15:32,111 INFO L226 Difference]: Without dead ends: 8744 [2024-11-28 05:15:32,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:15:32,112 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 495 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:32,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 750 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 05:15:32,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8744 states. [2024-11-28 05:15:33,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8744 to 8671. [2024-11-28 05:15:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 7792 states have (on average 1.2677104722792607) internal successors, (9878), 7809 states have internal predecessors, (9878), 859 states have call successors, (859), 2 states have call predecessors, (859), 2 states have return successors, (859), 859 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-28 05:15:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 11596 transitions. [2024-11-28 05:15:33,310 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 11596 transitions. Word has length 190 [2024-11-28 05:15:33,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:33,310 INFO L471 AbstractCegarLoop]: Abstraction has 8671 states and 11596 transitions. [2024-11-28 05:15:33,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 17.153846153846153) internal successors, (223), 14 states have internal predecessors, (223), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28) [2024-11-28 05:15:33,310 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 11596 transitions. [2024-11-28 05:15:33,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:33,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:33,311 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:33,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Ended with exit code 0 [2024-11-28 05:15:33,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102,98 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:33,511 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:33,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:33,512 INFO L85 PathProgramCache]: Analyzing trace with hash 16720998, now seen corresponding path program 17 times [2024-11-28 05:15:33,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:33,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752222558] [2024-11-28 05:15:33,512 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:15:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:33,527 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:15:33,528 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:33,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561115830] [2024-11-28 05:15:33,529 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:15:33,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:33,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:33,533 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:33,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Waiting until timeout for monitored process [2024-11-28 05:15:33,784 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:15:33,784 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:33,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:15:33,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:35,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:35,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:35,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752222558] [2024-11-28 05:15:35,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:35,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561115830] [2024-11-28 05:15:35,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561115830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:35,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:35,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:15:35,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102041219] [2024-11-28 05:15:35,453 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:35,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:15:35,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:35,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:15:35,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:35,454 INFO L87 Difference]: Start difference. First operand 8671 states and 11596 transitions. Second operand has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:37,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:37,772 INFO L93 Difference]: Finished difference Result 8674 states and 11596 transitions. [2024-11-28 05:15:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:15:37,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 190 [2024-11-28 05:15:37,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:37,788 INFO L225 Difference]: With dead ends: 8674 [2024-11-28 05:15:37,788 INFO L226 Difference]: Without dead ends: 8673 [2024-11-28 05:15:37,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:37,792 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 52 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:37,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 509 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:15:37,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8673 states. [2024-11-28 05:15:39,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8673 to 8671. [2024-11-28 05:15:39,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 7792 states have (on average 1.2675821355236139) internal successors, (9877), 7809 states have internal predecessors, (9877), 859 states have call successors, (859), 2 states have call predecessors, (859), 2 states have return successors, (859), 859 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-28 05:15:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 11595 transitions. [2024-11-28 05:15:39,128 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 11595 transitions. Word has length 190 [2024-11-28 05:15:39,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:39,128 INFO L471 AbstractCegarLoop]: Abstraction has 8671 states and 11595 transitions. [2024-11-28 05:15:39,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:39,129 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 11595 transitions. [2024-11-28 05:15:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:39,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:39,132 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:39,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Forceful destruction successful, exit code 0 [2024-11-28 05:15:39,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103,99 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:39,332 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:39,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1081998526, now seen corresponding path program 18 times [2024-11-28 05:15:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:39,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513584600] [2024-11-28 05:15:39,333 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:15:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:39,357 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:15:39,357 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:39,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785024609] [2024-11-28 05:15:39,358 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:15:39,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:39,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:39,360 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:39,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2024-11-28 05:15:39,767 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:15:39,767 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:39,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:15:39,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:41,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:41,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:41,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513584600] [2024-11-28 05:15:41,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:41,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785024609] [2024-11-28 05:15:41,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785024609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:41,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:41,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:15:41,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666264609] [2024-11-28 05:15:41,292 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:41,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:15:41,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:41,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:15:41,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:41,293 INFO L87 Difference]: Start difference. First operand 8671 states and 11595 transitions. Second operand has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:43,661 INFO L93 Difference]: Finished difference Result 8697 states and 11623 transitions. [2024-11-28 05:15:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:15:43,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 190 [2024-11-28 05:15:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:43,671 INFO L225 Difference]: With dead ends: 8697 [2024-11-28 05:15:43,671 INFO L226 Difference]: Without dead ends: 8696 [2024-11-28 05:15:43,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:43,673 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 67 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:43,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 518 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:15:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8696 states. [2024-11-28 05:15:44,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8696 to 8671. [2024-11-28 05:15:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 7792 states have (on average 1.267453798767967) internal successors, (9876), 7809 states have internal predecessors, (9876), 859 states have call successors, (859), 2 states have call predecessors, (859), 2 states have return successors, (859), 859 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-28 05:15:44,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 11594 transitions. [2024-11-28 05:15:44,908 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 11594 transitions. Word has length 190 [2024-11-28 05:15:44,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:44,908 INFO L471 AbstractCegarLoop]: Abstraction has 8671 states and 11594 transitions. [2024-11-28 05:15:44,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 11594 transitions. [2024-11-28 05:15:44,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:44,909 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:44,909 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:44,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Forceful destruction successful, exit code 0 [2024-11-28 05:15:45,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 100 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable104 [2024-11-28 05:15:45,110 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:45,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:45,110 INFO L85 PathProgramCache]: Analyzing trace with hash -131298316, now seen corresponding path program 19 times [2024-11-28 05:15:45,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:45,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568100468] [2024-11-28 05:15:45,110 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:15:45,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:15:45,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416878323] [2024-11-28 05:15:45,125 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:15:45,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:45,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:45,129 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:45,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2024-11-28 05:15:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:45,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:15:45,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:46,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:46,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:46,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568100468] [2024-11-28 05:15:46,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:46,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416878323] [2024-11-28 05:15:46,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416878323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:46,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:46,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:15:46,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598492951] [2024-11-28 05:15:46,975 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:46,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:15:46,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:46,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:15:46,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:46,976 INFO L87 Difference]: Start difference. First operand 8671 states and 11594 transitions. Second operand has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:49,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:49,373 INFO L93 Difference]: Finished difference Result 8678 states and 11598 transitions. [2024-11-28 05:15:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:15:49,373 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 190 [2024-11-28 05:15:49,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:49,382 INFO L225 Difference]: With dead ends: 8678 [2024-11-28 05:15:49,382 INFO L226 Difference]: Without dead ends: 8677 [2024-11-28 05:15:49,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:15:49,384 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 80 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:49,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 527 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:15:49,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8677 states. [2024-11-28 05:15:50,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8677 to 8671. [2024-11-28 05:15:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 7792 states have (on average 1.2673254620123204) internal successors, (9875), 7809 states have internal predecessors, (9875), 859 states have call successors, (859), 2 states have call predecessors, (859), 2 states have return successors, (859), 859 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-28 05:15:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 11593 transitions. [2024-11-28 05:15:50,681 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 11593 transitions. Word has length 190 [2024-11-28 05:15:50,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:50,682 INFO L471 AbstractCegarLoop]: Abstraction has 8671 states and 11593 transitions. [2024-11-28 05:15:50,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 9 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 11593 transitions. [2024-11-28 05:15:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:50,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:50,683 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:50,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Ended with exit code 0 [2024-11-28 05:15:50,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 101 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2024-11-28 05:15:50,883 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:50,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:50,883 INFO L85 PathProgramCache]: Analyzing trace with hash 318051480, now seen corresponding path program 20 times [2024-11-28 05:15:50,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:50,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480187506] [2024-11-28 05:15:50,884 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:15:50,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:50,899 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:15:50,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:50,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931963344] [2024-11-28 05:15:50,901 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:15:50,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:50,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:50,903 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:50,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Waiting until timeout for monitored process [2024-11-28 05:15:50,976 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:15:50,976 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:50,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:15:50,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:15:52,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:52,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:52,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480187506] [2024-11-28 05:15:52,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:52,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931963344] [2024-11-28 05:15:52,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931963344] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:52,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:52,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 05:15:52,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624398954] [2024-11-28 05:15:52,452 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:52,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:15:52,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:52,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:15:52,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:15:52,453 INFO L87 Difference]: Start difference. First operand 8671 states and 11593 transitions. Second operand has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:54,778 INFO L93 Difference]: Finished difference Result 8680 states and 11599 transitions. [2024-11-28 05:15:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:15:54,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 190 [2024-11-28 05:15:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:54,786 INFO L225 Difference]: With dead ends: 8680 [2024-11-28 05:15:54,786 INFO L226 Difference]: Without dead ends: 8679 [2024-11-28 05:15:54,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:15:54,788 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:54,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 514 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:15:54,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8679 states. [2024-11-28 05:15:56,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8679 to 8671. [2024-11-28 05:15:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8671 states, 7792 states have (on average 1.2671971252566736) internal successors, (9874), 7809 states have internal predecessors, (9874), 859 states have call successors, (859), 2 states have call predecessors, (859), 2 states have return successors, (859), 859 states have call predecessors, (859), 859 states have call successors, (859) [2024-11-28 05:15:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8671 states to 8671 states and 11592 transitions. [2024-11-28 05:15:56,039 INFO L78 Accepts]: Start accepts. Automaton has 8671 states and 11592 transitions. Word has length 190 [2024-11-28 05:15:56,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:56,039 INFO L471 AbstractCegarLoop]: Abstraction has 8671 states and 11592 transitions. [2024-11-28 05:15:56,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:15:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 8671 states and 11592 transitions. [2024-11-28 05:15:56,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 05:15:56,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:56,041 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:56,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Forceful destruction successful, exit code 0 [2024-11-28 05:15:56,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 102 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2024-11-28 05:15:56,241 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:15:56,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:56,241 INFO L85 PathProgramCache]: Analyzing trace with hash -780668044, now seen corresponding path program 21 times [2024-11-28 05:15:56,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:56,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589023513] [2024-11-28 05:15:56,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:15:56,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:56,261 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-28 05:15:56,261 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:56,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549557366] [2024-11-28 05:15:56,262 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:15:56,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:56,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:56,264 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:56,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Waiting until timeout for monitored process [2024-11-28 05:15:56,326 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:15:56,326 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:56,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:15:56,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 27 proven. 62 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-28 05:15:56,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:57,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:57,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589023513] [2024-11-28 05:15:57,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:57,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549557366] [2024-11-28 05:15:57,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549557366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:57,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:57,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:15:57,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285015140] [2024-11-28 05:15:57,190 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:57,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:15:57,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:57,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:15:57,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:15:57,190 INFO L87 Difference]: Start difference. First operand 8671 states and 11592 transitions. Second operand has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:15:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:59,107 INFO L93 Difference]: Finished difference Result 8801 states and 11753 transitions. [2024-11-28 05:15:59,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:15:59,107 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 190 [2024-11-28 05:15:59,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:59,117 INFO L225 Difference]: With dead ends: 8801 [2024-11-28 05:15:59,117 INFO L226 Difference]: Without dead ends: 8800 [2024-11-28 05:15:59,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:15:59,120 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 72 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:59,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 352 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:15:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8800 states. [2024-11-28 05:16:00,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8800 to 8756. [2024-11-28 05:16:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2657600406710727) internal successors, (9959), 7885 states have internal predecessors, (9959), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:16:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11695 transitions. [2024-11-28 05:16:00,438 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11695 transitions. Word has length 190 [2024-11-28 05:16:00,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:00,438 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11695 transitions. [2024-11-28 05:16:00,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 05:16:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11695 transitions. [2024-11-28 05:16:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:16:00,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:00,439 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:00,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Ended with exit code 0 [2024-11-28 05:16:00,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 103 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2024-11-28 05:16:00,640 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:16:00,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:00,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1310830732, now seen corresponding path program 7 times [2024-11-28 05:16:00,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:00,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764178208] [2024-11-28 05:16:00,640 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:16:00,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:16:00,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2005070788] [2024-11-28 05:16:00,656 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:16:00,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:00,660 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:00,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Waiting until timeout for monitored process [2024-11-28 05:16:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:00,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:16:00,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:16:02,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:16:02,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:02,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764178208] [2024-11-28 05:16:02,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:16:02,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005070788] [2024-11-28 05:16:02,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005070788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:02,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:16:02,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:16:02,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251180108] [2024-11-28 05:16:02,429 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:16:02,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:16:02,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:02,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:16:02,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:16:02,430 INFO L87 Difference]: Start difference. First operand 8756 states and 11695 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:16:04,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:04,593 INFO L93 Difference]: Finished difference Result 8758 states and 11695 transitions. [2024-11-28 05:16:04,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:16:04,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 192 [2024-11-28 05:16:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:04,604 INFO L225 Difference]: With dead ends: 8758 [2024-11-28 05:16:04,604 INFO L226 Difference]: Without dead ends: 8757 [2024-11-28 05:16:04,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:16:04,606 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 48 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:04,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 463 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:16:04,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8757 states. [2024-11-28 05:16:05,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8757 to 8756. [2024-11-28 05:16:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2656329435688867) internal successors, (9958), 7885 states have internal predecessors, (9958), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:16:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11694 transitions. [2024-11-28 05:16:05,865 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11694 transitions. Word has length 192 [2024-11-28 05:16:05,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:05,866 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11694 transitions. [2024-11-28 05:16:05,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:16:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11694 transitions. [2024-11-28 05:16:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:16:05,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:05,867 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:05,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (104)] Forceful destruction successful, exit code 0 [2024-11-28 05:16:06,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,104 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:06,067 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:16:06,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:06,068 INFO L85 PathProgramCache]: Analyzing trace with hash 798190746, now seen corresponding path program 8 times [2024-11-28 05:16:06,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:06,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093439820] [2024-11-28 05:16:06,068 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:16:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:06,083 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:16:06,083 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:16:06,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881722521] [2024-11-28 05:16:06,084 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:16:06,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:06,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:06,086 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:06,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Waiting until timeout for monitored process [2024-11-28 05:16:06,170 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:16:06,170 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:16:06,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 05:16:06,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:16:07,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:16:07,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:07,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093439820] [2024-11-28 05:16:07,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:16:07,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881722521] [2024-11-28 05:16:07,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881722521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:16:07,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:16:07,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 05:16:07,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204371594] [2024-11-28 05:16:07,622 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:16:07,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:16:07,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:07,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:16:07,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:16:07,623 INFO L87 Difference]: Start difference. First operand 8756 states and 11694 transitions. Second operand has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:16:09,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:09,641 INFO L93 Difference]: Finished difference Result 8758 states and 11694 transitions. [2024-11-28 05:16:09,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:16:09,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 192 [2024-11-28 05:16:09,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:09,651 INFO L225 Difference]: With dead ends: 8758 [2024-11-28 05:16:09,651 INFO L226 Difference]: Without dead ends: 8757 [2024-11-28 05:16:09,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:16:09,653 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 52 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:09,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 405 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:16:09,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8757 states. [2024-11-28 05:16:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8757 to 8756. [2024-11-28 05:16:10,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2655058464667006) internal successors, (9957), 7885 states have internal predecessors, (9957), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:16:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11693 transitions. [2024-11-28 05:16:10,918 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11693 transitions. Word has length 192 [2024-11-28 05:16:10,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:10,919 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11693 transitions. [2024-11-28 05:16:10,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:16:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11693 transitions. [2024-11-28 05:16:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:16:10,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:10,920 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:16:10,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (105)] Ended with exit code 0 [2024-11-28 05:16:11,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,105 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:11,120 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:16:11,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:11,121 INFO L85 PathProgramCache]: Analyzing trace with hash 94143798, now seen corresponding path program 9 times [2024-11-28 05:16:11,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:11,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459167578] [2024-11-28 05:16:11,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:16:11,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:11,145 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-28 05:16:11,146 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:16:11,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1077970071] [2024-11-28 05:16:11,147 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:16:11,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:16:11,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:16:11,149 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:16:11,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2024-11-28 05:16:11,242 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:16:11,242 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:16:11,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:16:11,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:16:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-28 05:16:51,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:17:44,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:44,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459167578] [2024-11-28 05:17:44,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:17:44,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077970071] [2024-11-28 05:17:44,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077970071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:17:44,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:17:44,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 05:17:44,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847628830] [2024-11-28 05:17:44,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:17:44,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:17:44,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:44,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:17:44,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=404, Unknown=6, NotChecked=0, Total=506 [2024-11-28 05:17:44,211 INFO L87 Difference]: Start difference. First operand 8756 states and 11693 transitions. Second operand has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:17:48,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:50,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:53,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:56,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:00,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:04,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:06,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:09,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:13,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:16,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:19,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:21,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:26,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:30,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:31,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:36,725 INFO L93 Difference]: Finished difference Result 8813 states and 11751 transitions. [2024-11-28 05:18:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:18:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 192 [2024-11-28 05:18:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:36,735 INFO L225 Difference]: With dead ends: 8813 [2024-11-28 05:18:36,735 INFO L226 Difference]: Without dead ends: 8812 [2024-11-28 05:18:36,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 63.6s TimeCoverageRelationStatistics Valid=101, Invalid=445, Unknown=6, NotChecked=0, Total=552 [2024-11-28 05:18:36,738 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 110 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 1817 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:36,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 842 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1817 Invalid, 1 Unknown, 0 Unchecked, 51.1s Time] [2024-11-28 05:18:36,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8812 states. [2024-11-28 05:18:38,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8812 to 8756. [2024-11-28 05:18:38,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2651245551601424) internal successors, (9954), 7885 states have internal predecessors, (9954), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:18:38,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11690 transitions. [2024-11-28 05:18:38,028 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11690 transitions. Word has length 192 [2024-11-28 05:18:38,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:38,029 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11690 transitions. [2024-11-28 05:18:38,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-28 05:18:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11690 transitions. [2024-11-28 05:18:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:18:38,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:38,030 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:38,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:38,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,106 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:38,230 INFO L396 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:18:38,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:38,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1110988440, now seen corresponding path program 10 times [2024-11-28 05:18:38,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:38,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004599279] [2024-11-28 05:18:38,231 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:18:38,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:38,250 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:18:38,250 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:18:38,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [145452404] [2024-11-28 05:18:38,251 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:18:38,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:38,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:38,257 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:38,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2024-11-28 05:18:38,389 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:18:38,389 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:38,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:18:38,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:18:39,943 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:18:40,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:40,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004599279] [2024-11-28 05:18:40,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:18:40,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145452404] [2024-11-28 05:18:40,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145452404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:40,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:18:40,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 05:18:40,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121789509] [2024-11-28 05:18:40,224 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:18:40,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:18:40,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:40,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:18:40,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:18:40,224 INFO L87 Difference]: Start difference. First operand 8756 states and 11690 transitions. Second operand has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:18:42,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:42,682 INFO L93 Difference]: Finished difference Result 8758 states and 11690 transitions. [2024-11-28 05:18:42,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:18:42,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 192 [2024-11-28 05:18:42,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:42,692 INFO L225 Difference]: With dead ends: 8758 [2024-11-28 05:18:42,692 INFO L226 Difference]: Without dead ends: 8757 [2024-11-28 05:18:42,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:18:42,694 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 49 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:42,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 507 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:18:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8757 states. [2024-11-28 05:18:43,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8757 to 8756. [2024-11-28 05:18:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2649974580579564) internal successors, (9953), 7885 states have internal predecessors, (9953), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:18:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11689 transitions. [2024-11-28 05:18:43,984 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11689 transitions. Word has length 192 [2024-11-28 05:18:43,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:43,984 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11689 transitions. [2024-11-28 05:18:43,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.75) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:18:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11689 transitions. [2024-11-28 05:18:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:18:43,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:43,985 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:43,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:44,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 107 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2024-11-28 05:18:44,186 INFO L396 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:18:44,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1623628426, now seen corresponding path program 11 times [2024-11-28 05:18:44,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:44,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479687944] [2024-11-28 05:18:44,186 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:18:44,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:44,200 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:18:44,200 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:18:44,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1127402815] [2024-11-28 05:18:44,201 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:18:44,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:44,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:44,203 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:44,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Waiting until timeout for monitored process [2024-11-28 05:18:44,594 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:18:44,595 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:44,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:18:44,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:18:45,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:18:46,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:46,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479687944] [2024-11-28 05:18:46,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:18:46,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127402815] [2024-11-28 05:18:46,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127402815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:46,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:18:46,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 05:18:46,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816540055] [2024-11-28 05:18:46,256 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:18:46,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:18:46,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:46,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:18:46,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:18:46,257 INFO L87 Difference]: Start difference. First operand 8756 states and 11689 transitions. Second operand has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:18:48,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:48,298 INFO L93 Difference]: Finished difference Result 8763 states and 11695 transitions. [2024-11-28 05:18:48,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:18:48,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 192 [2024-11-28 05:18:48,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:48,308 INFO L225 Difference]: With dead ends: 8763 [2024-11-28 05:18:48,308 INFO L226 Difference]: Without dead ends: 8762 [2024-11-28 05:18:48,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:18:48,309 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 47 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:48,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 341 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:18:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8762 states. [2024-11-28 05:18:49,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8762 to 8756. [2024-11-28 05:18:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.26487036095577) internal successors, (9952), 7885 states have internal predecessors, (9952), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:18:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11688 transitions. [2024-11-28 05:18:49,621 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11688 transitions. Word has length 192 [2024-11-28 05:18:49,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:49,622 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11688 transitions. [2024-11-28 05:18:49,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:18:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11688 transitions. [2024-11-28 05:18:49,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:18:49,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:49,623 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:49,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:49,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 108 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2024-11-28 05:18:49,824 INFO L396 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:18:49,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:49,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1909928168, now seen corresponding path program 12 times [2024-11-28 05:18:49,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:49,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487800587] [2024-11-28 05:18:49,824 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:18:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:49,844 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:18:49,845 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:18:49,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1045943295] [2024-11-28 05:18:49,846 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:18:49,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:49,849 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:49,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Waiting until timeout for monitored process [2024-11-28 05:18:49,992 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:18:49,992 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:49,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:18:49,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:18:51,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:18:51,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:51,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487800587] [2024-11-28 05:18:51,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:18:51,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045943295] [2024-11-28 05:18:51,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045943295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:18:51,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:18:51,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:18:51,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358190338] [2024-11-28 05:18:51,581 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:18:51,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:18:51,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:51,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:18:51,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:51,582 INFO L87 Difference]: Start difference. First operand 8756 states and 11688 transitions. Second operand has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:18:53,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:53,673 INFO L93 Difference]: Finished difference Result 8790 states and 11723 transitions. [2024-11-28 05:18:53,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:18:53,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 192 [2024-11-28 05:18:53,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:53,683 INFO L225 Difference]: With dead ends: 8790 [2024-11-28 05:18:53,684 INFO L226 Difference]: Without dead ends: 8789 [2024-11-28 05:18:53,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:53,686 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 73 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:53,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 341 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:18:53,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8789 states. [2024-11-28 05:18:54,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8789 to 8756. [2024-11-28 05:18:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.264743263853584) internal successors, (9951), 7885 states have internal predecessors, (9951), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:18:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11687 transitions. [2024-11-28 05:18:54,947 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11687 transitions. Word has length 192 [2024-11-28 05:18:54,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:54,947 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11687 transitions. [2024-11-28 05:18:54,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:18:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11687 transitions. [2024-11-28 05:18:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:18:54,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:54,948 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:54,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (109)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:55,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 109 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2024-11-28 05:18:55,148 INFO L396 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:18:55,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:55,149 INFO L85 PathProgramCache]: Analyzing trace with hash 704795930, now seen corresponding path program 13 times [2024-11-28 05:18:55,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:55,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035848010] [2024-11-28 05:18:55,149 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:18:55,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:18:55,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652542378] [2024-11-28 05:18:55,162 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:18:55,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:55,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:55,164 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:55,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Waiting until timeout for monitored process [2024-11-28 05:18:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:55,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:18:55,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:18:56,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:00,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:00,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035848010] [2024-11-28 05:19:00,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:19:00,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652542378] [2024-11-28 05:19:00,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652542378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:00,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:19:00,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 05:19:00,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631339041] [2024-11-28 05:19:00,990 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:00,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:19:00,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:00,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:19:00,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:19:00,991 INFO L87 Difference]: Start difference. First operand 8756 states and 11687 transitions. Second operand has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:19:03,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:03,386 INFO L93 Difference]: Finished difference Result 8761 states and 11691 transitions. [2024-11-28 05:19:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:19:03,387 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 192 [2024-11-28 05:19:03,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:03,398 INFO L225 Difference]: With dead ends: 8761 [2024-11-28 05:19:03,398 INFO L226 Difference]: Without dead ends: 8760 [2024-11-28 05:19:03,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:19:03,401 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 45 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:03,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 514 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:19:03,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8760 states. [2024-11-28 05:19:04,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8760 to 8756. [2024-11-28 05:19:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.264616166751398) internal successors, (9950), 7885 states have internal predecessors, (9950), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:19:04,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11686 transitions. [2024-11-28 05:19:04,704 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11686 transitions. Word has length 192 [2024-11-28 05:19:04,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:04,704 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11686 transitions. [2024-11-28 05:19:04,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.857142857142858) internal successors, (118), 8 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:19:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11686 transitions. [2024-11-28 05:19:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 05:19:04,705 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:04,705 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:04,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (110)] Ended with exit code 0 [2024-11-28 05:19:04,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 110 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2024-11-28 05:19:04,906 INFO L396 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:19:04,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:04,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1397288182, now seen corresponding path program 14 times [2024-11-28 05:19:04,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:04,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777599479] [2024-11-28 05:19:04,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:19:04,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:04,922 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:19:04,922 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:19:04,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001027711] [2024-11-28 05:19:04,923 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:19:04,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:04,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:04,926 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:04,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2024-11-28 05:19:05,008 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:19:05,008 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:19:05,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:19:05,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-28 05:19:06,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:10,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:10,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777599479] [2024-11-28 05:19:10,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:19:10,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001027711] [2024-11-28 05:19:10,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001027711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:10,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:19:10,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:19:10,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341226525] [2024-11-28 05:19:10,699 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:10,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:19:10,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:10,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:19:10,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=46, Unknown=1, NotChecked=0, Total=72 [2024-11-28 05:19:10,700 INFO L87 Difference]: Start difference. First operand 8756 states and 11686 transitions. Second operand has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:19:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:12,914 INFO L93 Difference]: Finished difference Result 8784 states and 11714 transitions. [2024-11-28 05:19:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:19:12,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 192 [2024-11-28 05:19:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:12,924 INFO L225 Difference]: With dead ends: 8784 [2024-11-28 05:19:12,924 INFO L226 Difference]: Without dead ends: 8783 [2024-11-28 05:19:12,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=25, Invalid=46, Unknown=1, NotChecked=0, Total=72 [2024-11-28 05:19:12,927 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 73 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:12,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 431 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:19:12,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8783 states. [2024-11-28 05:19:14,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8783 to 8756. [2024-11-28 05:19:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.264489069649212) internal successors, (9949), 7885 states have internal predecessors, (9949), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:19:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11685 transitions. [2024-11-28 05:19:14,225 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11685 transitions. Word has length 192 [2024-11-28 05:19:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:14,225 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11685 transitions. [2024-11-28 05:19:14,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.666666666666668) internal successors, (118), 7 states have internal predecessors, (118), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 05:19:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11685 transitions. [2024-11-28 05:19:14,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 05:19:14,226 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:14,226 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:14,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Forceful destruction successful, exit code 0 [2024-11-28 05:19:14,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 111 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable115 [2024-11-28 05:19:14,427 INFO L396 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:19:14,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:14,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1995948174, now seen corresponding path program 5 times [2024-11-28 05:19:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:14,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828619457] [2024-11-28 05:19:14,427 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:19:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:14,442 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:19:14,442 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:19:14,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [169788029] [2024-11-28 05:19:14,443 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:19:14,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:14,447 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:14,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2024-11-28 05:19:14,569 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-28 05:19:14,569 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:19:14,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:19:14,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 3 proven. 194 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-28 05:19:17,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:21,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:21,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828619457] [2024-11-28 05:19:21,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:19:21,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169788029] [2024-11-28 05:19:21,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169788029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:21,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:19:21,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:19:21,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367305681] [2024-11-28 05:19:21,392 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:21,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:19:21,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:21,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:19:21,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=254, Unknown=1, NotChecked=0, Total=342 [2024-11-28 05:19:21,393 INFO L87 Difference]: Start difference. First operand 8756 states and 11685 transitions. Second operand has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:19:25,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:25,431 INFO L93 Difference]: Finished difference Result 8920 states and 11896 transitions. [2024-11-28 05:19:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 05:19:25,432 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 200 [2024-11-28 05:19:25,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:25,443 INFO L225 Difference]: With dead ends: 8920 [2024-11-28 05:19:25,443 INFO L226 Difference]: Without dead ends: 8919 [2024-11-28 05:19:25,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=144, Invalid=361, Unknown=1, NotChecked=0, Total=506 [2024-11-28 05:19:25,445 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 132 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 1858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:25,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 961 Invalid, 1858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 05:19:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8919 states. [2024-11-28 05:19:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8919 to 8756. [2024-11-28 05:19:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2643619725470259) internal successors, (9948), 7885 states have internal predecessors, (9948), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:19:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11684 transitions. [2024-11-28 05:19:26,739 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11684 transitions. Word has length 200 [2024-11-28 05:19:26,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:26,739 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11684 transitions. [2024-11-28 05:19:26,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:19:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11684 transitions. [2024-11-28 05:19:26,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 05:19:26,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:26,740 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:26,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Ended with exit code 0 [2024-11-28 05:19:26,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,112 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:26,940 INFO L396 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:19:26,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash -960754304, now seen corresponding path program 6 times [2024-11-28 05:19:26,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:26,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236059224] [2024-11-28 05:19:26,941 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:19:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:26,960 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:19:26,960 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:19:26,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821361425] [2024-11-28 05:19:26,961 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:19:26,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:26,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:26,965 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:26,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2024-11-28 05:19:27,082 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 05:19:27,083 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:19:27,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:19:27,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 3 proven. 188 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-28 05:19:29,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:33,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:33,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236059224] [2024-11-28 05:19:33,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:19:33,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821361425] [2024-11-28 05:19:33,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821361425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:33,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:19:33,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:19:33,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378859941] [2024-11-28 05:19:33,959 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:33,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:19:33,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:33,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:19:33,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=251, Unknown=1, NotChecked=0, Total=342 [2024-11-28 05:19:33,960 INFO L87 Difference]: Start difference. First operand 8756 states and 11684 transitions. Second operand has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:19:37,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:37,912 INFO L93 Difference]: Finished difference Result 8892 states and 11855 transitions. [2024-11-28 05:19:37,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 05:19:37,912 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 200 [2024-11-28 05:19:37,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:37,921 INFO L225 Difference]: With dead ends: 8892 [2024-11-28 05:19:37,921 INFO L226 Difference]: Without dead ends: 8891 [2024-11-28 05:19:37,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=134, Invalid=371, Unknown=1, NotChecked=0, Total=506 [2024-11-28 05:19:37,923 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 144 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:37,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 906 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1824 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 05:19:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8891 states. [2024-11-28 05:19:39,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8891 to 8756. [2024-11-28 05:19:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2642348754448398) internal successors, (9947), 7885 states have internal predecessors, (9947), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:19:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11683 transitions. [2024-11-28 05:19:39,198 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11683 transitions. Word has length 200 [2024-11-28 05:19:39,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:39,198 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11683 transitions. [2024-11-28 05:19:39,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:19:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11683 transitions. [2024-11-28 05:19:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 05:19:39,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:39,199 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:39,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Ended with exit code 0 [2024-11-28 05:19:39,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,113 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:39,400 INFO L396 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:19:39,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:39,400 INFO L85 PathProgramCache]: Analyzing trace with hash -386066140, now seen corresponding path program 7 times [2024-11-28 05:19:39,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:39,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622328743] [2024-11-28 05:19:39,400 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:19:39,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:19:39,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222576480] [2024-11-28 05:19:39,414 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 05:19:39,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:39,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:39,417 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:39,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2024-11-28 05:19:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:39,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:19:39,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 3 proven. 188 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-28 05:19:41,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:19:46,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:46,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622328743] [2024-11-28 05:19:46,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:19:46,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222576480] [2024-11-28 05:19:46,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222576480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:19:46,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:19:46,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 05:19:46,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840520096] [2024-11-28 05:19:46,001 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:19:46,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:19:46,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:46,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:19:46,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=177, Unknown=1, NotChecked=0, Total=240 [2024-11-28 05:19:46,002 INFO L87 Difference]: Start difference. First operand 8756 states and 11683 transitions. Second operand has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:19:49,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:49,200 INFO L93 Difference]: Finished difference Result 8919 states and 11889 transitions. [2024-11-28 05:19:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:19:49,200 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 200 [2024-11-28 05:19:49,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:49,209 INFO L225 Difference]: With dead ends: 8919 [2024-11-28 05:19:49,209 INFO L226 Difference]: Without dead ends: 8918 [2024-11-28 05:19:49,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=70, Invalid=201, Unknown=1, NotChecked=0, Total=272 [2024-11-28 05:19:49,211 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 165 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:49,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 685 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1457 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 05:19:49,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8918 states. [2024-11-28 05:19:50,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8918 to 8756. [2024-11-28 05:19:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2641077783426538) internal successors, (9946), 7885 states have internal predecessors, (9946), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:19:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11682 transitions. [2024-11-28 05:19:50,505 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11682 transitions. Word has length 200 [2024-11-28 05:19:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:50,505 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11682 transitions. [2024-11-28 05:19:50,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 13 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:19:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11682 transitions. [2024-11-28 05:19:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 05:19:50,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:50,506 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:19:50,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Ended with exit code 0 [2024-11-28 05:19:50,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118,114 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:50,707 INFO L396 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:19:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash 649127730, now seen corresponding path program 8 times [2024-11-28 05:19:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:50,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872024649] [2024-11-28 05:19:50,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:19:50,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:50,722 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:19:50,722 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:19:50,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778549393] [2024-11-28 05:19:50,722 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:19:50,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:19:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:19:50,724 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:19:50,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2024-11-28 05:19:50,798 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:19:50,798 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:19:50,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 05:19:50,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:19:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 3 proven. 194 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-28 05:19:53,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:20:01,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:01,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872024649] [2024-11-28 05:20:01,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:20:01,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778549393] [2024-11-28 05:20:01,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778549393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:20:01,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:20:01,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:20:01,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270086020] [2024-11-28 05:20:01,732 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:20:01,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:20:01,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:01,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:20:01,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=254, Unknown=2, NotChecked=0, Total=342 [2024-11-28 05:20:01,733 INFO L87 Difference]: Start difference. First operand 8756 states and 11682 transitions. Second operand has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:20:05,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:05,947 INFO L93 Difference]: Finished difference Result 8858 states and 11807 transitions. [2024-11-28 05:20:05,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:20:05,948 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 200 [2024-11-28 05:20:05,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:05,956 INFO L225 Difference]: With dead ends: 8858 [2024-11-28 05:20:05,956 INFO L226 Difference]: Without dead ends: 8857 [2024-11-28 05:20:05,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=115, Invalid=345, Unknown=2, NotChecked=0, Total=462 [2024-11-28 05:20:05,958 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 140 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 1968 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:05,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 995 Invalid, 1971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1968 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 05:20:05,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8857 states. [2024-11-28 05:20:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8857 to 8756. [2024-11-28 05:20:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8756 states, 7868 states have (on average 1.2639806812404677) internal successors, (9945), 7885 states have internal predecessors, (9945), 868 states have call successors, (868), 2 states have call predecessors, (868), 2 states have return successors, (868), 868 states have call predecessors, (868), 868 states have call successors, (868) [2024-11-28 05:20:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8756 states to 8756 states and 11681 transitions. [2024-11-28 05:20:07,231 INFO L78 Accepts]: Start accepts. Automaton has 8756 states and 11681 transitions. Word has length 200 [2024-11-28 05:20:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:07,231 INFO L471 AbstractCegarLoop]: Abstraction has 8756 states and 11681 transitions. [2024-11-28 05:20:07,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-28 05:20:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 8756 states and 11681 transitions. [2024-11-28 05:20:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 05:20:07,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:07,232 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:20:07,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Ended with exit code 0 [2024-11-28 05:20:07,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 115 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable119 [2024-11-28 05:20:07,433 INFO L396 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-28 05:20:07,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:07,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1711639040, now seen corresponding path program 9 times [2024-11-28 05:20:07,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:07,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229388946] [2024-11-28 05:20:07,433 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:20:07,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:07,450 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-28 05:20:07,450 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:20:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681050750] [2024-11-28 05:20:07,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:20:07,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:20:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:07,453 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:20:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aa7a3f9-3630-4b2a-8886-1328d30d4068/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (116)] Waiting until timeout for monitored process [2024-11-28 05:20:08,986 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:20:08,986 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:20:08,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-28 05:20:08,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:20:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 66 proven. 168 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-28 05:20:22,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:21:10,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:10,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229388946] [2024-11-28 05:21:10,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:21:10,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681050750] [2024-11-28 05:21:10,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681050750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:21:10,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:21:10,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2024-11-28 05:21:10,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202527791] [2024-11-28 05:21:10,928 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:21:10,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 05:21:10,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:10,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 05:21:10,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=646, Unknown=4, NotChecked=0, Total=756 [2024-11-28 05:21:10,929 INFO L87 Difference]: Start difference. First operand 8756 states and 11681 transitions. Second operand has 21 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 8 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-28 05:21:35,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:21:39,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:21:43,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:21:54,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:21:58,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:22:02,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:22:07,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]