./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.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_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/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_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/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_459ef259-5313-484a-992c-209fe5db1ace/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 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:05:27,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:05:27,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 05:05:27,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:05:27,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:05:27,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:05:27,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:05:27,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:05:27,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:05:27,465 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:05:27,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:05:27,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:05:27,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:05:27,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:05:27,467 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:05:27,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:05:27,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:05:27,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:05:27,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:05:27,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:05:27,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:05:27,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:05:27,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:05:27,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:05:27,469 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 05:05:27,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:05:27,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:05:27,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:05:27,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:05:27,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:05:27,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:05:27,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:05:27,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:05:27,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:05:27,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:05:27,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:05:27,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:05:27,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:05:27,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:05:27,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:05:27,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:05:27,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:05:27,472 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:05:27,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:05:27,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:05:27,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:05:27,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:05:27,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:05:27,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:05:27,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:05:27,473 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_459ef259-5313-484a-992c-209fe5db1ace/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 -> 7f61497696f0e412e267c342267f07f29bf3ce290f707b3aa1a4f0ac00ff0274 [2024-11-28 05:05:27,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:05:27,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:05:27,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:05:27,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:05:27,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:05:27,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2024-11-28 05:05:31,542 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/data/351153c7d/ad3276f0b7f94c5199210eab374fcc26/FLAG965282b66 [2024-11-28 05:05:31,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:05:31,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound5.c [2024-11-28 05:05:31,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/data/351153c7d/ad3276f0b7f94c5199210eab374fcc26/FLAG965282b66 [2024-11-28 05:05:31,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/data/351153c7d/ad3276f0b7f94c5199210eab374fcc26 [2024-11-28 05:05:31,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:05:31,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:05:31,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:05:31,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:05:31,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:05:31,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:05:31" (1/1) ... [2024-11-28 05:05:31,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ee83df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:31, skipping insertion in model container [2024-11-28 05:05:31,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:05:31" (1/1) ... [2024-11-28 05:05:31,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:05:32,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:05:32,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:05:32,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:05:32,334 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:05:32,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32 WrapperNode [2024-11-28 05:05:32,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:05:32,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:05:32,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:05:32,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:05:32,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,402 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-11-28 05:05:32,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:05:32,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:05:32,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:05:32,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:05:32,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,441 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 05:05:32,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,445 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:05:32,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:05:32,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:05:32,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:05:32,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (1/1) ... [2024-11-28 05:05:32,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:05:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:32,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:05:32,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:05:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:05:32,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:05:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:05:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:05:32,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 05:05:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 05:05:32,635 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:05:32,639 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:05:33,205 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-28 05:05:33,206 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:05:33,223 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:05:33,223 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:05:33,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:05:33 BoogieIcfgContainer [2024-11-28 05:05:33,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:05:33,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:05:33,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:05:33,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:05:33,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:05:31" (1/3) ... [2024-11-28 05:05:33,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219a53e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:05:33, skipping insertion in model container [2024-11-28 05:05:33,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:05:32" (2/3) ... [2024-11-28 05:05:33,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219a53e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:05:33, skipping insertion in model container [2024-11-28 05:05:33,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:05:33" (3/3) ... [2024-11-28 05:05:33,237 INFO L128 eAbstractionObserver]: Analyzing ICFG bresenham-ll_unwindbound5.c [2024-11-28 05:05:33,258 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:05:33,260 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bresenham-ll_unwindbound5.c that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2024-11-28 05:05:33,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:05:33,379 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;@4fa19613, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:05:33,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-28 05:05:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-28 05:05:33,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:33,395 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-28 05:05:33,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:33,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:33,404 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-28 05:05:33,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:33,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135294148] [2024-11-28 05:05:33,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:33,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:33,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135294148] [2024-11-28 05:05:33,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135294148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:33,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:33,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:33,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885148723] [2024-11-28 05:05:33,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:33,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:33,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:33,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:33,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:05:33,652 INFO L87 Difference]: Start difference. First operand has 139 states, 75 states have (on average 1.8666666666666667) internal successors, (140), 135 states have internal predecessors, (140), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:33,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:33,957 INFO L93 Difference]: Finished difference Result 264 states and 279 transitions. [2024-11-28 05:05:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:33,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-28 05:05:33,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:33,971 INFO L225 Difference]: With dead ends: 264 [2024-11-28 05:05:33,971 INFO L226 Difference]: Without dead ends: 128 [2024-11-28 05:05:33,978 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 05:05:33,984 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:33,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 85 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:05:34,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-28 05:05:34,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-28 05:05:34,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 70 states have (on average 1.8285714285714285) internal successors, (128), 125 states have internal predecessors, (128), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 130 transitions. [2024-11-28 05:05:34,046 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 130 transitions. Word has length 3 [2024-11-28 05:05:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:34,047 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 130 transitions. [2024-11-28 05:05:34,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 130 transitions. [2024-11-28 05:05:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-28 05:05:34,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:34,048 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-28 05:05:34,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:05:34,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:34,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:34,050 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-28 05:05:34,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:34,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980868695] [2024-11-28 05:05:34,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:34,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:34,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:34,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980868695] [2024-11-28 05:05:34,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980868695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:34,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:34,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:34,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141967226] [2024-11-28 05:05:34,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:34,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:34,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:34,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:34,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:05:34,099 INFO L87 Difference]: Start difference. First operand 128 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:34,324 INFO L93 Difference]: Finished difference Result 128 states and 130 transitions. [2024-11-28 05:05:34,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:34,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-28 05:05:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:34,325 INFO L225 Difference]: With dead ends: 128 [2024-11-28 05:05:34,326 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 05:05:34,326 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 05:05:34,327 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 94 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:34,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 76 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:05:34,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 05:05:34,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-28 05:05:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 70 states have (on average 1.7714285714285714) internal successors, (124), 121 states have internal predecessors, (124), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:34,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 126 transitions. [2024-11-28 05:05:34,346 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 126 transitions. Word has length 4 [2024-11-28 05:05:34,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:34,346 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 126 transitions. [2024-11-28 05:05:34,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 126 transitions. [2024-11-28 05:05:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 05:05:34,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:34,347 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 05:05:34,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:05:34,348 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:34,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:34,348 INFO L85 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2024-11-28 05:05:34,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:34,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034661470] [2024-11-28 05:05:34,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:34,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:34,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:34,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034661470] [2024-11-28 05:05:34,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034661470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:34,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:34,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487469866] [2024-11-28 05:05:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:34,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:34,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:34,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:34,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:05:34,461 INFO L87 Difference]: Start difference. First operand 124 states and 126 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:34,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:34,705 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-11-28 05:05:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:34,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-28 05:05:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:34,709 INFO L225 Difference]: With dead ends: 124 [2024-11-28 05:05:34,712 INFO L226 Difference]: Without dead ends: 123 [2024-11-28 05:05:34,713 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 05:05:34,714 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 87 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:34,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 62 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:05:34,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-28 05:05:34,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-28 05:05:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 70 states have (on average 1.7571428571428571) internal successors, (123), 120 states have internal predecessors, (123), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2024-11-28 05:05:34,735 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 5 [2024-11-28 05:05:34,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:34,735 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2024-11-28 05:05:34,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2024-11-28 05:05:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 05:05:34,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:34,736 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 05:05:34,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:05:34,736 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:34,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:34,741 INFO L85 PathProgramCache]: Analyzing trace with hash 889475910, now seen corresponding path program 1 times [2024-11-28 05:05:34,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:34,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983462173] [2024-11-28 05:05:34,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:34,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:34,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:34,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983462173] [2024-11-28 05:05:34,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983462173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:34,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:34,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:34,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302709033] [2024-11-28 05:05:34,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:34,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:34,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:34,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:34,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:05:34,848 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:35,046 INFO L93 Difference]: Finished difference Result 123 states and 125 transitions. [2024-11-28 05:05:35,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:35,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-28 05:05:35,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:35,048 INFO L225 Difference]: With dead ends: 123 [2024-11-28 05:05:35,048 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 05:05:35,048 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 05:05:35,049 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 86 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:35,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 62 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:05:35,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 05:05:35,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-28 05:05:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 70 states have (on average 1.7428571428571429) internal successors, (122), 119 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-11-28 05:05:35,061 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 6 [2024-11-28 05:05:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:35,061 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-11-28 05:05:35,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-11-28 05:05:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 05:05:35,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:35,062 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:35,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:05:35,063 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:35,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:35,063 INFO L85 PathProgramCache]: Analyzing trace with hash 87859016, now seen corresponding path program 1 times [2024-11-28 05:05:35,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:35,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045866667] [2024-11-28 05:05:35,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:35,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:35,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:35,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045866667] [2024-11-28 05:05:35,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045866667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:35,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:35,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:35,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009147845] [2024-11-28 05:05:35,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:35,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:35,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:35,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:35,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:35,172 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:35,220 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2024-11-28 05:05:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:05:35,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-28 05:05:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:35,223 INFO L225 Difference]: With dead ends: 122 [2024-11-28 05:05:35,224 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 05:05:35,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:35,226 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 118 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:35,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 233 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:05:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 05:05:35,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-28 05:05:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 70 states have (on average 1.7285714285714286) internal successors, (121), 118 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2024-11-28 05:05:35,242 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 8 [2024-11-28 05:05:35,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:35,243 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2024-11-28 05:05:35,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2024-11-28 05:05:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 05:05:35,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:35,244 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:35,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:05:35,244 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:35,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:35,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1571337752, now seen corresponding path program 1 times [2024-11-28 05:05:35,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:35,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99801517] [2024-11-28 05:05:35,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:35,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:35,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:35,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99801517] [2024-11-28 05:05:35,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99801517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:35,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:35,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:35,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254060353] [2024-11-28 05:05:35,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:35,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:35,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:35,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:35,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:35,312 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:35,370 INFO L93 Difference]: Finished difference Result 168 states and 170 transitions. [2024-11-28 05:05:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:05:35,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-28 05:05:35,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:35,375 INFO L225 Difference]: With dead ends: 168 [2024-11-28 05:05:35,375 INFO L226 Difference]: Without dead ends: 125 [2024-11-28 05:05:35,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:35,377 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 3 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:35,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 349 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:05:35,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-28 05:05:35,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-28 05:05:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.6891891891891893) internal successors, (125), 122 states have internal predecessors, (125), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2024-11-28 05:05:35,400 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 9 [2024-11-28 05:05:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:35,400 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2024-11-28 05:05:35,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2024-11-28 05:05:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 05:05:35,403 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:35,404 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:35,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:05:35,404 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:35,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:35,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1772910157, now seen corresponding path program 1 times [2024-11-28 05:05:35,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:35,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396006519] [2024-11-28 05:05:35,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:35,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:35,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508163481] [2024-11-28 05:05:35,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:35,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:35,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:35,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:35,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:05:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:35,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:05:35,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:35,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:35,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:35,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396006519] [2024-11-28 05:05:35,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:35,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508163481] [2024-11-28 05:05:35,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508163481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:35,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:35,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:35,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466344084] [2024-11-28 05:05:35,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:35,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:35,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:35,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:35,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:05:35,548 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:35,646 INFO L93 Difference]: Finished difference Result 193 states and 198 transitions. [2024-11-28 05:05:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:35,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-28 05:05:35,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:35,651 INFO L225 Difference]: With dead ends: 193 [2024-11-28 05:05:35,651 INFO L226 Difference]: Without dead ends: 187 [2024-11-28 05:05:35,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 05:05:35,669 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:35,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 219 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:05:35,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-28 05:05:35,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 149. [2024-11-28 05:05:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 97 states have (on average 1.6804123711340206) internal successors, (163), 145 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2024-11-28 05:05:35,687 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 11 [2024-11-28 05:05:35,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:35,687 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2024-11-28 05:05:35,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2024-11-28 05:05:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 05:05:35,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:35,689 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:35,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:05:35,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 05:05:35,890 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:35,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:35,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1335353777, now seen corresponding path program 1 times [2024-11-28 05:05:35,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:35,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229983473] [2024-11-28 05:05:35,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:35,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:35,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593528521] [2024-11-28 05:05:35,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:35,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:35,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:35,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:35,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:05:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:35,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:05:35,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:36,004 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:36,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:36,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229983473] [2024-11-28 05:05:36,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:36,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593528521] [2024-11-28 05:05:36,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593528521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:36,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:36,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:36,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365233321] [2024-11-28 05:05:36,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:36,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:36,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:36,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:36,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:05:36,007 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:36,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:36,126 INFO L93 Difference]: Finished difference Result 254 states and 277 transitions. [2024-11-28 05:05:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:36,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-28 05:05:36,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:36,129 INFO L225 Difference]: With dead ends: 254 [2024-11-28 05:05:36,130 INFO L226 Difference]: Without dead ends: 248 [2024-11-28 05:05:36,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 05:05:36,132 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 93 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:36,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 217 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:05:36,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-28 05:05:36,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 201. [2024-11-28 05:05:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 148 states have (on average 1.6756756756756757) internal successors, (248), 196 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 254 transitions. [2024-11-28 05:05:36,172 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 254 transitions. Word has length 13 [2024-11-28 05:05:36,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:36,172 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 254 transitions. [2024-11-28 05:05:36,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2024-11-28 05:05:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 05:05:36,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:36,173 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:36,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:36,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 05:05:36,374 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:36,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:36,375 INFO L85 PathProgramCache]: Analyzing trace with hash 920243793, now seen corresponding path program 1 times [2024-11-28 05:05:36,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:36,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088359654] [2024-11-28 05:05:36,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:36,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343654690] [2024-11-28 05:05:36,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:36,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:36,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:36,414 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:36,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:05:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:36,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:05:36,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:36,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:36,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:36,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088359654] [2024-11-28 05:05:36,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:36,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343654690] [2024-11-28 05:05:36,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343654690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:36,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:36,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:36,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895690671] [2024-11-28 05:05:36,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:36,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:36,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:36,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:36,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:36,540 INFO L87 Difference]: Start difference. First operand 201 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:36,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:36,907 INFO L93 Difference]: Finished difference Result 292 states and 353 transitions. [2024-11-28 05:05:36,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:05:36,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 05:05:36,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:36,910 INFO L225 Difference]: With dead ends: 292 [2024-11-28 05:05:36,910 INFO L226 Difference]: Without dead ends: 290 [2024-11-28 05:05:36,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:36,911 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 142 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:36,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 238 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:05:36,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-28 05:05:36,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 202. [2024-11-28 05:05:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 149 states have (on average 1.6644295302013423) internal successors, (248), 197 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 254 transitions. [2024-11-28 05:05:36,933 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 254 transitions. Word has length 15 [2024-11-28 05:05:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:36,933 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 254 transitions. [2024-11-28 05:05:36,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 254 transitions. [2024-11-28 05:05:36,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 05:05:36,935 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:36,935 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:36,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:37,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:37,136 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:37,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1537213423, now seen corresponding path program 1 times [2024-11-28 05:05:37,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:37,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586485691] [2024-11-28 05:05:37,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:37,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041242062] [2024-11-28 05:05:37,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:37,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:37,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:37,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:37,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:05:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:37,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:05:37,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:37,282 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:37,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:37,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586485691] [2024-11-28 05:05:37,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:37,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041242062] [2024-11-28 05:05:37,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041242062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:37,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:37,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:37,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095321822] [2024-11-28 05:05:37,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:37,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:37,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:37,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:37,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:37,285 INFO L87 Difference]: Start difference. First operand 202 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:37,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:37,579 INFO L93 Difference]: Finished difference Result 291 states and 351 transitions. [2024-11-28 05:05:37,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:05:37,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-28 05:05:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:37,582 INFO L225 Difference]: With dead ends: 291 [2024-11-28 05:05:37,583 INFO L226 Difference]: Without dead ends: 289 [2024-11-28 05:05:37,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:37,584 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 140 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:37,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 241 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:05:37,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-28 05:05:37,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 203. [2024-11-28 05:05:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6533333333333333) internal successors, (248), 198 states have internal predecessors, (248), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 254 transitions. [2024-11-28 05:05:37,602 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 254 transitions. Word has length 16 [2024-11-28 05:05:37,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:37,602 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 254 transitions. [2024-11-28 05:05:37,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 254 transitions. [2024-11-28 05:05:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 05:05:37,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:37,603 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:37,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:37,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:37,804 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:37,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:37,805 INFO L85 PathProgramCache]: Analyzing trace with hash -408975789, now seen corresponding path program 1 times [2024-11-28 05:05:37,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:37,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245245918] [2024-11-28 05:05:37,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:37,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:37,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778132488] [2024-11-28 05:05:37,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:37,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:37,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:37,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:37,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:05:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:37,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:05:37,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:37,944 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:37,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:37,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245245918] [2024-11-28 05:05:37,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:37,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778132488] [2024-11-28 05:05:37,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778132488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:37,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:37,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:37,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495449951] [2024-11-28 05:05:37,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:37,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:37,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:37,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:37,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:37,947 INFO L87 Difference]: Start difference. First operand 203 states and 254 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:38,205 INFO L93 Difference]: Finished difference Result 276 states and 296 transitions. [2024-11-28 05:05:38,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:05:38,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-28 05:05:38,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:38,208 INFO L225 Difference]: With dead ends: 276 [2024-11-28 05:05:38,208 INFO L226 Difference]: Without dead ends: 274 [2024-11-28 05:05:38,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:38,211 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 191 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:38,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 261 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:05:38,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-28 05:05:38,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 203. [2024-11-28 05:05:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6333333333333333) internal successors, (245), 198 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 251 transitions. [2024-11-28 05:05:38,231 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 251 transitions. Word has length 17 [2024-11-28 05:05:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:38,232 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 251 transitions. [2024-11-28 05:05:38,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 251 transitions. [2024-11-28 05:05:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-28 05:05:38,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:38,233 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:38,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 05:05:38,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:38,438 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:38,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:38,438 INFO L85 PathProgramCache]: Analyzing trace with hash 206652499, now seen corresponding path program 1 times [2024-11-28 05:05:38,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:38,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746645686] [2024-11-28 05:05:38,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:38,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:38,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [318837453] [2024-11-28 05:05:38,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:38,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:38,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:38,474 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:05:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:38,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:05:38,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:38,574 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:38,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:38,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746645686] [2024-11-28 05:05:38,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:38,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318837453] [2024-11-28 05:05:38,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318837453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:38,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:38,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:38,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672076424] [2024-11-28 05:05:38,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:38,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:38,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:38,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:38,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:38,576 INFO L87 Difference]: Start difference. First operand 203 states and 251 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:38,811 INFO L93 Difference]: Finished difference Result 274 states and 293 transitions. [2024-11-28 05:05:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:05:38,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-28 05:05:38,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:38,813 INFO L225 Difference]: With dead ends: 274 [2024-11-28 05:05:38,814 INFO L226 Difference]: Without dead ends: 272 [2024-11-28 05:05:38,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:38,815 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 188 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:38,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 263 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:05:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-28 05:05:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 203. [2024-11-28 05:05:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 150 states have (on average 1.6133333333333333) internal successors, (242), 198 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2024-11-28 05:05:38,832 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 18 [2024-11-28 05:05:38,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:38,832 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2024-11-28 05:05:38,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2024-11-28 05:05:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 05:05:38,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:38,833 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:38,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 05:05:39,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:39,037 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:39,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:39,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2111260245, now seen corresponding path program 1 times [2024-11-28 05:05:39,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:39,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780932984] [2024-11-28 05:05:39,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:39,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:39,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1732679715] [2024-11-28 05:05:39,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:39,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:39,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:39,059 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:39,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:05:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:39,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:05:39,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:39,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:39,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:39,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780932984] [2024-11-28 05:05:39,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:39,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732679715] [2024-11-28 05:05:39,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732679715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:39,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:05:39,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024962624] [2024-11-28 05:05:39,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:39,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:05:39,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:39,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:05:39,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:39,252 INFO L87 Difference]: Start difference. First operand 203 states and 248 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:39,658 INFO L93 Difference]: Finished difference Result 289 states and 337 transitions. [2024-11-28 05:05:39,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:05:39,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-28 05:05:39,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:39,661 INFO L225 Difference]: With dead ends: 289 [2024-11-28 05:05:39,661 INFO L226 Difference]: Without dead ends: 287 [2024-11-28 05:05:39,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 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 05:05:39,662 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 213 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:39,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 278 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:05:39,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-28 05:05:39,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 206. [2024-11-28 05:05:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 153 states have (on average 1.5947712418300655) internal successors, (244), 201 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 250 transitions. [2024-11-28 05:05:39,679 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 250 transitions. Word has length 19 [2024-11-28 05:05:39,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:39,680 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 250 transitions. [2024-11-28 05:05:39,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 250 transitions. [2024-11-28 05:05:39,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 05:05:39,681 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:39,681 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:39,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:39,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:39,886 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:39,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1024558229, now seen corresponding path program 1 times [2024-11-28 05:05:39,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:39,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128740930] [2024-11-28 05:05:39,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:39,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477763151] [2024-11-28 05:05:39,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:39,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:39,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:39,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:39,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:05:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:39,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:05:39,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:40,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:40,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:40,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128740930] [2024-11-28 05:05:40,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:40,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477763151] [2024-11-28 05:05:40,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477763151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:40,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:40,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:05:40,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920704809] [2024-11-28 05:05:40,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:40,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:05:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:40,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:05:40,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:40,110 INFO L87 Difference]: Start difference. First operand 206 states and 250 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:40,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:40,506 INFO L93 Difference]: Finished difference Result 288 states and 335 transitions. [2024-11-28 05:05:40,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:05:40,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-28 05:05:40,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:40,509 INFO L225 Difference]: With dead ends: 288 [2024-11-28 05:05:40,509 INFO L226 Difference]: Without dead ends: 286 [2024-11-28 05:05:40,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 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 05:05:40,511 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 211 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:40,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 281 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:05:40,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-28 05:05:40,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 207. [2024-11-28 05:05:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 154 states have (on average 1.5844155844155845) internal successors, (244), 202 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 250 transitions. [2024-11-28 05:05:40,529 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 250 transitions. Word has length 20 [2024-11-28 05:05:40,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:40,529 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 250 transitions. [2024-11-28 05:05:40,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 250 transitions. [2024-11-28 05:05:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-28 05:05:40,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:40,532 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:40,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:40,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 05:05:40,733 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:40,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:40,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1696534103, now seen corresponding path program 1 times [2024-11-28 05:05:40,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:40,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790183800] [2024-11-28 05:05:40,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:40,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:40,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [276387337] [2024-11-28 05:05:40,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:40,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:40,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:40,758 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:40,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 05:05:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:40,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:05:40,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:41,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:41,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:41,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790183800] [2024-11-28 05:05:41,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:41,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276387337] [2024-11-28 05:05:41,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276387337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:41,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:41,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:05:41,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629972253] [2024-11-28 05:05:41,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:41,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:05:41,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:41,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:05:41,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:41,040 INFO L87 Difference]: Start difference. First operand 207 states and 250 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:41,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:41,498 INFO L93 Difference]: Finished difference Result 276 states and 333 transitions. [2024-11-28 05:05:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:05:41,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-28 05:05:41,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:41,501 INFO L225 Difference]: With dead ends: 276 [2024-11-28 05:05:41,501 INFO L226 Difference]: Without dead ends: 274 [2024-11-28 05:05:41,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:05:41,502 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 302 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:41,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 207 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:05:41,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-28 05:05:41,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 208. [2024-11-28 05:05:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 155 states have (on average 1.5741935483870968) internal successors, (244), 203 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 250 transitions. [2024-11-28 05:05:41,520 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 250 transitions. Word has length 21 [2024-11-28 05:05:41,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:41,521 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 250 transitions. [2024-11-28 05:05:41,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 250 transitions. [2024-11-28 05:05:41,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-28 05:05:41,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:41,522 INFO L218 NwaCegarLoop]: trace histogram [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 05:05:41,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:41,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 05:05:41,727 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:41,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:41,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1052949719, now seen corresponding path program 1 times [2024-11-28 05:05:41,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:41,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140236284] [2024-11-28 05:05:41,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:41,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:41,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [85634890] [2024-11-28 05:05:41,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:41,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:41,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:41,752 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:41,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 05:05:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:41,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:05:41,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:42,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:42,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140236284] [2024-11-28 05:05:42,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85634890] [2024-11-28 05:05:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85634890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:42,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:42,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:05:42,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209696564] [2024-11-28 05:05:42,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:42,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:05:42,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:42,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:05:42,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:42,032 INFO L87 Difference]: Start difference. First operand 208 states and 250 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:42,590 INFO L93 Difference]: Finished difference Result 276 states and 331 transitions. [2024-11-28 05:05:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:05:42,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-28 05:05:42,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:42,592 INFO L225 Difference]: With dead ends: 276 [2024-11-28 05:05:42,592 INFO L226 Difference]: Without dead ends: 274 [2024-11-28 05:05:42,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:05:42,593 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 279 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:42,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 212 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:05:42,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-28 05:05:42,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 209. [2024-11-28 05:05:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 156 states have (on average 1.564102564102564) internal successors, (244), 204 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 250 transitions. [2024-11-28 05:05:42,606 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 250 transitions. Word has length 22 [2024-11-28 05:05:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:42,606 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 250 transitions. [2024-11-28 05:05:42,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2024-11-28 05:05:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 05:05:42,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:42,607 INFO L218 NwaCegarLoop]: trace histogram [1, 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 05:05:42,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:42,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 05:05:42,808 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:42,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:42,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2015971749, now seen corresponding path program 1 times [2024-11-28 05:05:42,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:42,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49391565] [2024-11-28 05:05:42,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:42,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:42,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833204697] [2024-11-28 05:05:42,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:42,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:42,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:42,823 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:42,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 05:05:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:42,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:05:42,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:43,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:43,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49391565] [2024-11-28 05:05:43,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833204697] [2024-11-28 05:05:43,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833204697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:43,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:43,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:05:43,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916634601] [2024-11-28 05:05:43,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:43,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:05:43,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:43,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:05:43,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:43,176 INFO L87 Difference]: Start difference. First operand 209 states and 250 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:43,759 INFO L93 Difference]: Finished difference Result 268 states and 329 transitions. [2024-11-28 05:05:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:05:43,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-28 05:05:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:43,763 INFO L225 Difference]: With dead ends: 268 [2024-11-28 05:05:43,763 INFO L226 Difference]: Without dead ends: 264 [2024-11-28 05:05:43,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:05:43,764 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 254 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:43,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 142 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:05:43,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-28 05:05:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2024-11-28 05:05:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 159 states have (on average 1.5345911949685536) internal successors, (244), 205 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 250 transitions. [2024-11-28 05:05:43,779 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 250 transitions. Word has length 25 [2024-11-28 05:05:43,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:43,779 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 250 transitions. [2024-11-28 05:05:43,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 250 transitions. [2024-11-28 05:05:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-28 05:05:43,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:43,780 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 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 05:05:43,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:43,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 05:05:43,981 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:43,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1929385307, now seen corresponding path program 1 times [2024-11-28 05:05:43,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:43,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102895794] [2024-11-28 05:05:43,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:43,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:44,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [186643090] [2024-11-28 05:05:44,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:44,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:44,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:44,008 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:44,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 05:05:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:44,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:05:44,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:44,363 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:44,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:44,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102895794] [2024-11-28 05:05:44,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:44,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186643090] [2024-11-28 05:05:44,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186643090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:44,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:44,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:05:44,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805173975] [2024-11-28 05:05:44,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:44,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:05:44,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:44,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:05:44,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:44,364 INFO L87 Difference]: Start difference. First operand 210 states and 250 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:44,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:44,927 INFO L93 Difference]: Finished difference Result 266 states and 323 transitions. [2024-11-28 05:05:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:05:44,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-28 05:05:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:44,930 INFO L225 Difference]: With dead ends: 266 [2024-11-28 05:05:44,931 INFO L226 Difference]: Without dead ends: 262 [2024-11-28 05:05:44,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:05:44,932 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 253 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:44,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 142 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:05:44,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-28 05:05:44,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 209. [2024-11-28 05:05:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 160 states have (on average 1.5125) internal successors, (242), 204 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 248 transitions. [2024-11-28 05:05:44,945 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 248 transitions. Word has length 26 [2024-11-28 05:05:44,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:44,946 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 248 transitions. [2024-11-28 05:05:44,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:44,947 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 248 transitions. [2024-11-28 05:05:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 05:05:44,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:44,948 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 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 05:05:44,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:45,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 05:05:45,152 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:45,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:45,152 INFO L85 PathProgramCache]: Analyzing trace with hash -318597539, now seen corresponding path program 1 times [2024-11-28 05:05:45,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:45,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075618720] [2024-11-28 05:05:45,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:45,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:45,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075618720] [2024-11-28 05:05:45,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075618720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:45,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:45,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:45,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451641181] [2024-11-28 05:05:45,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:45,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:45,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:45,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:45,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:45,299 INFO L87 Difference]: Start difference. First operand 209 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:45,714 INFO L93 Difference]: Finished difference Result 234 states and 279 transitions. [2024-11-28 05:05:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:05:45,714 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-28 05:05:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:45,716 INFO L225 Difference]: With dead ends: 234 [2024-11-28 05:05:45,716 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 05:05:45,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:45,718 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 92 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:45,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 153 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:05:45,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 05:05:45,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2024-11-28 05:05:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 161 states have (on average 1.5031055900621118) internal successors, (242), 205 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 248 transitions. [2024-11-28 05:05:45,730 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 248 transitions. Word has length 27 [2024-11-28 05:05:45,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:45,730 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 248 transitions. [2024-11-28 05:05:45,730 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 248 transitions. [2024-11-28 05:05:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 05:05:45,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:45,731 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 05:05:45,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 05:05:45,732 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:45,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1286589027, now seen corresponding path program 1 times [2024-11-28 05:05:45,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:45,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012629178] [2024-11-28 05:05:45,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:45,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:45,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012629178] [2024-11-28 05:05:45,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012629178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:45,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:45,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:45,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125483576] [2024-11-28 05:05:45,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:45,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:45,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:45,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:45,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:45,821 INFO L87 Difference]: Start difference. First operand 210 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:46,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:46,232 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2024-11-28 05:05:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:05:46,233 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-28 05:05:46,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:46,234 INFO L225 Difference]: With dead ends: 228 [2024-11-28 05:05:46,234 INFO L226 Difference]: Without dead ends: 226 [2024-11-28 05:05:46,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:46,235 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:46,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 157 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:05:46,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-28 05:05:46,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 211. [2024-11-28 05:05:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 162 states have (on average 1.4938271604938271) internal successors, (242), 206 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2024-11-28 05:05:46,247 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 28 [2024-11-28 05:05:46,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:46,248 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2024-11-28 05:05:46,248 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:05:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2024-11-28 05:05:46,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 05:05:46,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:46,249 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:46,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 05:05:46,249 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:46,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash 63044594, now seen corresponding path program 1 times [2024-11-28 05:05:46,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:46,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522474438] [2024-11-28 05:05:46,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:46,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:46,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:46,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522474438] [2024-11-28 05:05:46,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522474438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:46,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:46,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:46,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786681508] [2024-11-28 05:05:46,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:46,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:46,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:46,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:46,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:46,375 INFO L87 Difference]: Start difference. First operand 211 states and 248 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:46,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:46,678 INFO L93 Difference]: Finished difference Result 227 states and 269 transitions. [2024-11-28 05:05:46,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:05:46,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-28 05:05:46,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:46,681 INFO L225 Difference]: With dead ends: 227 [2024-11-28 05:05:46,681 INFO L226 Difference]: Without dead ends: 226 [2024-11-28 05:05:46,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:46,683 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 171 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:46,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 111 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:05:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-28 05:05:46,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2024-11-28 05:05:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.4879518072289157) internal successors, (247), 210 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 253 transitions. [2024-11-28 05:05:46,697 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 253 transitions. Word has length 38 [2024-11-28 05:05:46,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:46,698 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 253 transitions. [2024-11-28 05:05:46,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 253 transitions. [2024-11-28 05:05:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-28 05:05:46,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:46,700 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:46,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 05:05:46,700 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:46,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:46,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1954382521, now seen corresponding path program 1 times [2024-11-28 05:05:46,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:46,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79577787] [2024-11-28 05:05:46,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:46,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:46,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:46,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79577787] [2024-11-28 05:05:46,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79577787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:46,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:46,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124749952] [2024-11-28 05:05:46,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:46,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:46,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:46,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:46,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:46,811 INFO L87 Difference]: Start difference. First operand 215 states and 253 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:46,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:46,966 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2024-11-28 05:05:46,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:05:46,967 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-28 05:05:46,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:46,968 INFO L225 Difference]: With dead ends: 215 [2024-11-28 05:05:46,968 INFO L226 Difference]: Without dead ends: 214 [2024-11-28 05:05:46,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:46,974 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 67 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:46,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 141 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:05:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-28 05:05:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-28 05:05:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 166 states have (on average 1.4759036144578312) internal successors, (245), 209 states have internal predecessors, (245), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 251 transitions. [2024-11-28 05:05:46,987 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 251 transitions. Word has length 39 [2024-11-28 05:05:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:46,988 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 251 transitions. [2024-11-28 05:05:46,988 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 251 transitions. [2024-11-28 05:05:46,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 05:05:46,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:46,989 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:46,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 05:05:46,990 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:46,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:46,990 INFO L85 PathProgramCache]: Analyzing trace with hash 752150676, now seen corresponding path program 1 times [2024-11-28 05:05:46,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:46,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118149877] [2024-11-28 05:05:46,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:46,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:47,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:47,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118149877] [2024-11-28 05:05:47,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118149877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:47,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:47,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:47,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813165175] [2024-11-28 05:05:47,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:47,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:47,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:47,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:47,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:47,081 INFO L87 Difference]: Start difference. First operand 214 states and 251 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:47,302 INFO L93 Difference]: Finished difference Result 214 states and 251 transitions. [2024-11-28 05:05:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:05:47,302 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-28 05:05:47,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:47,303 INFO L225 Difference]: With dead ends: 214 [2024-11-28 05:05:47,304 INFO L226 Difference]: Without dead ends: 213 [2024-11-28 05:05:47,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:47,304 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 62 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:47,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 113 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:05:47,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-28 05:05:47,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-28 05:05:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 166 states have (on average 1.4698795180722892) internal successors, (244), 208 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 250 transitions. [2024-11-28 05:05:47,316 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 250 transitions. Word has length 40 [2024-11-28 05:05:47,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:47,316 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 250 transitions. [2024-11-28 05:05:47,317 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 250 transitions. [2024-11-28 05:05:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 05:05:47,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:47,318 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:47,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 05:05:47,318 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:47,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:47,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1260898395, now seen corresponding path program 1 times [2024-11-28 05:05:47,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:47,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007132792] [2024-11-28 05:05:47,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:47,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:47,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:47,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007132792] [2024-11-28 05:05:47,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007132792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:47,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:47,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:47,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038543234] [2024-11-28 05:05:47,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:47,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:47,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:47,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:47,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:47,409 INFO L87 Difference]: Start difference. First operand 213 states and 250 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:47,510 INFO L93 Difference]: Finished difference Result 233 states and 272 transitions. [2024-11-28 05:05:47,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:05:47,511 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-28 05:05:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:47,512 INFO L225 Difference]: With dead ends: 233 [2024-11-28 05:05:47,512 INFO L226 Difference]: Without dead ends: 231 [2024-11-28 05:05:47,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:47,513 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:47,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 307 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:05:47,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-28 05:05:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-28 05:05:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.4475138121546962) internal successors, (262), 223 states have internal predecessors, (262), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 268 transitions. [2024-11-28 05:05:47,527 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 268 transitions. Word has length 41 [2024-11-28 05:05:47,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:47,527 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 268 transitions. [2024-11-28 05:05:47,528 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 268 transitions. [2024-11-28 05:05:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 05:05:47,529 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:47,530 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:47,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 05:05:47,530 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:47,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1841834597, now seen corresponding path program 1 times [2024-11-28 05:05:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488170371] [2024-11-28 05:05:47,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:47,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:47,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:47,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488170371] [2024-11-28 05:05:47,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488170371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:47,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:47,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:05:47,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964916149] [2024-11-28 05:05:47,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:47,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:05:47,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:47,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:05:47,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:05:47,701 INFO L87 Difference]: Start difference. First operand 228 states and 268 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:48,047 INFO L93 Difference]: Finished difference Result 229 states and 268 transitions. [2024-11-28 05:05:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:05:48,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-11-28 05:05:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:48,049 INFO L225 Difference]: With dead ends: 229 [2024-11-28 05:05:48,049 INFO L226 Difference]: Without dead ends: 228 [2024-11-28 05:05:48,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:05:48,050 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 150 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:48,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 161 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:05:48,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-28 05:05:48,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-28 05:05:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.441988950276243) internal successors, (261), 223 states have internal predecessors, (261), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 267 transitions. [2024-11-28 05:05:48,068 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 267 transitions. Word has length 41 [2024-11-28 05:05:48,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:48,069 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 267 transitions. [2024-11-28 05:05:48,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 267 transitions. [2024-11-28 05:05:48,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 05:05:48,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:48,070 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:48,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 05:05:48,070 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:48,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:48,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1262297782, now seen corresponding path program 1 times [2024-11-28 05:05:48,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:48,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380126471] [2024-11-28 05:05:48,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:48,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:48,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:48,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:48,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380126471] [2024-11-28 05:05:48,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380126471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:48,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:48,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:05:48,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791339461] [2024-11-28 05:05:48,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:48,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:05:48,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:48,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:05:48,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:48,184 INFO L87 Difference]: Start difference. First operand 228 states and 267 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:48,291 INFO L93 Difference]: Finished difference Result 269 states and 281 transitions. [2024-11-28 05:05:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:05:48,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-11-28 05:05:48,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:48,293 INFO L225 Difference]: With dead ends: 269 [2024-11-28 05:05:48,293 INFO L226 Difference]: Without dead ends: 267 [2024-11-28 05:05:48,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:05:48,294 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 61 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:48,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 304 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:05:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-28 05:05:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 236. [2024-11-28 05:05:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 189 states have (on average 1.417989417989418) internal successors, (268), 231 states have internal predecessors, (268), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:05:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 274 transitions. [2024-11-28 05:05:48,313 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 274 transitions. Word has length 42 [2024-11-28 05:05:48,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:48,313 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 274 transitions. [2024-11-28 05:05:48,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:05:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 274 transitions. [2024-11-28 05:05:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-28 05:05:48,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:48,314 INFO L218 NwaCegarLoop]: trace histogram [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 05:05:48,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 05:05:48,317 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:48,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:48,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1732401766, now seen corresponding path program 1 times [2024-11-28 05:05:48,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:48,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262744433] [2024-11-28 05:05:48,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:48,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:48,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:48,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262744433] [2024-11-28 05:05:48,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262744433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:48,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822428686] [2024-11-28 05:05:48,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:48,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:48,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:48,466 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:48,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 05:05:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:48,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:05:48,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:48,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:05:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:48,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822428686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:05:48,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:05:48,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-28 05:05:48,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875623099] [2024-11-28 05:05:48,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:05:48,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:05:48,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:48,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:05:48,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:05:48,792 INFO L87 Difference]: Start difference. First operand 236 states and 274 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:05:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:48,971 INFO L93 Difference]: Finished difference Result 651 states and 771 transitions. [2024-11-28 05:05:48,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:05:48,972 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2024-11-28 05:05:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:48,976 INFO L225 Difference]: With dead ends: 651 [2024-11-28 05:05:48,976 INFO L226 Difference]: Without dead ends: 588 [2024-11-28 05:05:48,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:05:48,979 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 340 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:48,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 778 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:05:48,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-28 05:05:49,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 414. [2024-11-28 05:05:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 360 states have (on average 1.4583333333333333) internal successors, (525), 402 states have internal predecessors, (525), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:05:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 539 transitions. [2024-11-28 05:05:49,012 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 539 transitions. Word has length 45 [2024-11-28 05:05:49,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:49,012 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 539 transitions. [2024-11-28 05:05:49,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 05:05:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 539 transitions. [2024-11-28 05:05:49,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 05:05:49,013 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:49,014 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:05:49,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 05:05:49,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 05:05:49,214 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:49,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:49,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1609212085, now seen corresponding path program 1 times [2024-11-28 05:05:49,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:49,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488578850] [2024-11-28 05:05:49,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:49,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:49,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26040552] [2024-11-28 05:05:49,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:49,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:49,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:49,244 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:49,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 05:05:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:49,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:05:49,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:49,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:05:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:50,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:50,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488578850] [2024-11-28 05:05:50,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:50,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26040552] [2024-11-28 05:05:50,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26040552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:05:50,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:05:50,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 05:05:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270567852] [2024-11-28 05:05:50,259 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:05:50,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:05:50,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:50,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:05:50,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:05:50,260 INFO L87 Difference]: Start difference. First operand 414 states and 539 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:51,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:51,304 INFO L93 Difference]: Finished difference Result 414 states and 539 transitions. [2024-11-28 05:05:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:05:51,305 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-11-28 05:05:51,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:51,307 INFO L225 Difference]: With dead ends: 414 [2024-11-28 05:05:51,307 INFO L226 Difference]: Without dead ends: 410 [2024-11-28 05:05:51,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:05:51,309 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 290 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:51,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 287 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:05:51,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-28 05:05:51,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-28 05:05:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 360 states have (on average 1.4027777777777777) internal successors, (505), 398 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:05:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 519 transitions. [2024-11-28 05:05:51,337 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 519 transitions. Word has length 47 [2024-11-28 05:05:51,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:51,337 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 519 transitions. [2024-11-28 05:05:51,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 519 transitions. [2024-11-28 05:05:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 05:05:51,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:51,339 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:05:51,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:51,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 05:05:51,539 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:51,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:51,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1654032975, now seen corresponding path program 1 times [2024-11-28 05:05:51,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:51,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616953908] [2024-11-28 05:05:51,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:51,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:51,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037767574] [2024-11-28 05:05:51,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:51,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:51,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:51,580 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:51,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 05:05:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:51,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:05:51,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:51,990 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:05:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:52,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:52,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616953908] [2024-11-28 05:05:52,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:52,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037767574] [2024-11-28 05:05:52,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037767574] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:05:52,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:05:52,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 05:05:52,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247885832] [2024-11-28 05:05:52,720 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:05:52,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:05:52,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:52,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:05:52,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:05:52,721 INFO L87 Difference]: Start difference. First operand 410 states and 519 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:53,463 INFO L93 Difference]: Finished difference Result 410 states and 519 transitions. [2024-11-28 05:05:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:05:53,465 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2024-11-28 05:05:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:53,467 INFO L225 Difference]: With dead ends: 410 [2024-11-28 05:05:53,467 INFO L226 Difference]: Without dead ends: 408 [2024-11-28 05:05:53,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:05:53,468 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 222 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:53,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 255 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:05:53,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-28 05:05:53,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2024-11-28 05:05:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 360 states have (on average 1.3805555555555555) internal successors, (497), 396 states have internal predecessors, (497), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:05:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 511 transitions. [2024-11-28 05:05:53,497 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 511 transitions. Word has length 48 [2024-11-28 05:05:53,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:53,498 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 511 transitions. [2024-11-28 05:05:53,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 511 transitions. [2024-11-28 05:05:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 05:05:53,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:53,499 INFO L218 NwaCegarLoop]: trace histogram [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 05:05:53,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 05:05:53,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 05:05:53,700 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:53,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:53,700 INFO L85 PathProgramCache]: Analyzing trace with hash -863369137, now seen corresponding path program 1 times [2024-11-28 05:05:53,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:53,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497474292] [2024-11-28 05:05:53,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:53,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:53,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582065784] [2024-11-28 05:05:53,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:53,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:53,734 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:53,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 05:05:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:53,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:05:53,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:54,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:05:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:54,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:54,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497474292] [2024-11-28 05:05:54,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:54,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582065784] [2024-11-28 05:05:54,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582065784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:05:54,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:05:54,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-28 05:05:54,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791108241] [2024-11-28 05:05:54,400 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:05:54,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:05:54,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:54,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:05:54,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:05:54,402 INFO L87 Difference]: Start difference. First operand 408 states and 511 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:56,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:56,024 INFO L93 Difference]: Finished difference Result 500 states and 604 transitions. [2024-11-28 05:05:56,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:05:56,024 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-11-28 05:05:56,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:56,027 INFO L225 Difference]: With dead ends: 500 [2024-11-28 05:05:56,027 INFO L226 Difference]: Without dead ends: 498 [2024-11-28 05:05:56,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:05:56,033 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 518 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:56,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 340 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 05:05:56,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-28 05:05:56,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 418. [2024-11-28 05:05:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 370 states have (on average 1.364864864864865) internal successors, (505), 406 states have internal predecessors, (505), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 05:05:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 519 transitions. [2024-11-28 05:05:56,063 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 519 transitions. Word has length 51 [2024-11-28 05:05:56,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:56,063 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 519 transitions. [2024-11-28 05:05:56,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 519 transitions. [2024-11-28 05:05:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 05:05:56,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:56,064 INFO L218 NwaCegarLoop]: trace histogram [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 05:05:56,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 05:05:56,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:56,266 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:56,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:56,266 INFO L85 PathProgramCache]: Analyzing trace with hash -994639405, now seen corresponding path program 1 times [2024-11-28 05:05:56,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:56,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355298550] [2024-11-28 05:05:56,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:56,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33455188] [2024-11-28 05:05:56,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:56,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:56,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:56,299 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:56,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 05:05:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:56,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 05:05:56,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:56,626 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:05:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:05:57,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:57,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355298550] [2024-11-28 05:05:57,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:05:57,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33455188] [2024-11-28 05:05:57,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33455188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:05:57,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:05:57,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 05:05:57,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956145505] [2024-11-28 05:05:57,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:05:57,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:05:57,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:57,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:05:57,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:05:57,554 INFO L87 Difference]: Start difference. First operand 418 states and 519 transitions. Second operand has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:59,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:59,522 INFO L93 Difference]: Finished difference Result 516 states and 634 transitions. [2024-11-28 05:05:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 05:05:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-28 05:05:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:59,525 INFO L225 Difference]: With dead ends: 516 [2024-11-28 05:05:59,525 INFO L226 Difference]: Without dead ends: 514 [2024-11-28 05:05:59,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2024-11-28 05:05:59,526 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 1046 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:59,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 294 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:05:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-28 05:05:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 452. [2024-11-28 05:05:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 403 states have (on average 1.3672456575682381) internal successors, (551), 439 states have internal predecessors, (551), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:05:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 567 transitions. [2024-11-28 05:05:59,556 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 567 transitions. Word has length 52 [2024-11-28 05:05:59,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:59,557 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 567 transitions. [2024-11-28 05:05:59,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 14 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:05:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 567 transitions. [2024-11-28 05:05:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 05:05:59,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:59,558 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:05:59,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 05:05:59,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-28 05:05:59,759 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:05:59,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:59,759 INFO L85 PathProgramCache]: Analyzing trace with hash 2021853211, now seen corresponding path program 1 times [2024-11-28 05:05:59,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:59,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117705896] [2024-11-28 05:05:59,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:59,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:05:59,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1664948652] [2024-11-28 05:05:59,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:59,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:59,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:59,782 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:59,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 05:05:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:59,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:05:59,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:00,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:00,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:00,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117705896] [2024-11-28 05:06:00,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:00,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664948652] [2024-11-28 05:06:00,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664948652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:00,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:06:00,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 05:06:00,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747251978] [2024-11-28 05:06:00,359 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:00,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:06:00,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:00,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:06:00,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:06:00,361 INFO L87 Difference]: Start difference. First operand 452 states and 567 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:00,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:00,849 INFO L93 Difference]: Finished difference Result 489 states and 601 transitions. [2024-11-28 05:06:00,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:06:00,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2024-11-28 05:06:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:00,852 INFO L225 Difference]: With dead ends: 489 [2024-11-28 05:06:00,852 INFO L226 Difference]: Without dead ends: 485 [2024-11-28 05:06:00,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:06:00,853 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 159 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:00,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 436 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:06:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-28 05:06:00,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 452. [2024-11-28 05:06:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 406 states have (on average 1.3448275862068966) internal successors, (546), 439 states have internal predecessors, (546), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:06:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 562 transitions. [2024-11-28 05:06:00,892 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 562 transitions. Word has length 53 [2024-11-28 05:06:00,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:00,892 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 562 transitions. [2024-11-28 05:06:00,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 562 transitions. [2024-11-28 05:06:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 05:06:00,893 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:00,893 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:00,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:01,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 05:06:01,094 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:01,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:01,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1747059837, now seen corresponding path program 1 times [2024-11-28 05:06:01,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:01,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801206837] [2024-11-28 05:06:01,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:01,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630879518] [2024-11-28 05:06:01,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:01,121 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:01,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 05:06:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:01,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:06:01,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:01,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:01,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:01,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801206837] [2024-11-28 05:06:01,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:01,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630879518] [2024-11-28 05:06:01,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630879518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:01,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:06:01,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 05:06:01,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986116744] [2024-11-28 05:06:01,982 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:01,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:06:01,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:01,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:06:01,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:06:01,983 INFO L87 Difference]: Start difference. First operand 452 states and 562 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:02,360 INFO L93 Difference]: Finished difference Result 601 states and 742 transitions. [2024-11-28 05:06:02,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:06:02,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2024-11-28 05:06:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:02,364 INFO L225 Difference]: With dead ends: 601 [2024-11-28 05:06:02,364 INFO L226 Difference]: Without dead ends: 599 [2024-11-28 05:06:02,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:06:02,365 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 302 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:02,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 322 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:06:02,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-28 05:06:02,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 537. [2024-11-28 05:06:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 489 states have (on average 1.3640081799591002) internal successors, (667), 522 states have internal predecessors, (667), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:06:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 687 transitions. [2024-11-28 05:06:02,400 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 687 transitions. Word has length 54 [2024-11-28 05:06:02,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:02,400 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 687 transitions. [2024-11-28 05:06:02,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 687 transitions. [2024-11-28 05:06:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 05:06:02,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:02,401 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:02,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:02,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:02,602 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:02,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:02,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1851815312, now seen corresponding path program 1 times [2024-11-28 05:06:02,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:02,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165114607] [2024-11-28 05:06:02,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:02,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:02,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:02,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165114607] [2024-11-28 05:06:02,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165114607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:02,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:02,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:06:02,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415144609] [2024-11-28 05:06:02,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:02,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:06:02,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:02,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:06:02,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:06:02,714 INFO L87 Difference]: Start difference. First operand 537 states and 687 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:03,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:03,006 INFO L93 Difference]: Finished difference Result 542 states and 692 transitions. [2024-11-28 05:06:03,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:06:03,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-28 05:06:03,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:03,009 INFO L225 Difference]: With dead ends: 542 [2024-11-28 05:06:03,011 INFO L226 Difference]: Without dead ends: 541 [2024-11-28 05:06:03,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:06:03,012 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 47 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:03,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 122 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:06:03,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-28 05:06:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 540. [2024-11-28 05:06:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 492 states have (on average 1.3617886178861789) internal successors, (670), 525 states have internal predecessors, (670), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:06:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 690 transitions. [2024-11-28 05:06:03,049 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 690 transitions. Word has length 55 [2024-11-28 05:06:03,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:03,050 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 690 transitions. [2024-11-28 05:06:03,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 690 transitions. [2024-11-28 05:06:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 05:06:03,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:03,051 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:03,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 05:06:03,051 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:03,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:03,052 INFO L85 PathProgramCache]: Analyzing trace with hash -323071661, now seen corresponding path program 1 times [2024-11-28 05:06:03,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:03,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666877017] [2024-11-28 05:06:03,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:03,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:03,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2049322272] [2024-11-28 05:06:03,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:03,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:03,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:03,074 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:03,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 05:06:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:03,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:06:03,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:06:03,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:06:03,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:03,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666877017] [2024-11-28 05:06:03,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:03,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049322272] [2024-11-28 05:06:03,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049322272] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:03,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:03,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-28 05:06:03,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041917081] [2024-11-28 05:06:03,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:03,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:06:03,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:03,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:06:03,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:06:03,348 INFO L87 Difference]: Start difference. First operand 540 states and 690 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:03,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:03,748 INFO L93 Difference]: Finished difference Result 600 states and 738 transitions. [2024-11-28 05:06:03,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:06:03,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2024-11-28 05:06:03,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:03,752 INFO L225 Difference]: With dead ends: 600 [2024-11-28 05:06:03,752 INFO L226 Difference]: Without dead ends: 598 [2024-11-28 05:06:03,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 2 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 05:06:03,753 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 182 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:03,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 266 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:06:03,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-28 05:06:03,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 541. [2024-11-28 05:06:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 493 states have (on average 1.354969574036511) internal successors, (668), 526 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:06:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 688 transitions. [2024-11-28 05:06:03,791 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 688 transitions. Word has length 55 [2024-11-28 05:06:03,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:03,792 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 688 transitions. [2024-11-28 05:06:03,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 688 transitions. [2024-11-28 05:06:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 05:06:03,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:03,793 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:03,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-28 05:06:03,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:03,998 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:03,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1571699646, now seen corresponding path program 1 times [2024-11-28 05:06:03,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:03,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72046661] [2024-11-28 05:06:03,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:03,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:04,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:04,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72046661] [2024-11-28 05:06:04,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72046661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:04,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:04,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:06:04,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492541726] [2024-11-28 05:06:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:04,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:06:04,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:04,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:06:04,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:06:04,113 INFO L87 Difference]: Start difference. First operand 541 states and 688 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:04,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:04,481 INFO L93 Difference]: Finished difference Result 543 states and 689 transitions. [2024-11-28 05:06:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:06:04,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-11-28 05:06:04,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:04,487 INFO L225 Difference]: With dead ends: 543 [2024-11-28 05:06:04,487 INFO L226 Difference]: Without dead ends: 520 [2024-11-28 05:06:04,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:06:04,489 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 44 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:04,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 125 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:06:04,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-28 05:06:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2024-11-28 05:06:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 472 states have (on average 1.36864406779661) internal successors, (646), 505 states have internal predecessors, (646), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:06:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 666 transitions. [2024-11-28 05:06:04,521 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 666 transitions. Word has length 56 [2024-11-28 05:06:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:04,522 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 666 transitions. [2024-11-28 05:06:04,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 666 transitions. [2024-11-28 05:06:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 05:06:04,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:04,523 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:04,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 05:06:04,524 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:04,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:04,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1425286825, now seen corresponding path program 1 times [2024-11-28 05:06:04,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:04,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688992746] [2024-11-28 05:06:04,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:04,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:04,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366756279] [2024-11-28 05:06:04,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:04,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:04,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:04,547 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:04,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 05:06:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:04,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:06:04,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:06:04,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 05:06:04,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:04,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688992746] [2024-11-28 05:06:04,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:04,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366756279] [2024-11-28 05:06:04,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366756279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:04,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:04,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-28 05:06:04,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353495340] [2024-11-28 05:06:04,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:04,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:06:04,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:04,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:06:04,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:06:04,833 INFO L87 Difference]: Start difference. First operand 520 states and 666 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:05,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:05,116 INFO L93 Difference]: Finished difference Result 577 states and 712 transitions. [2024-11-28 05:06:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:06:05,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-11-28 05:06:05,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:05,120 INFO L225 Difference]: With dead ends: 577 [2024-11-28 05:06:05,120 INFO L226 Difference]: Without dead ends: 575 [2024-11-28 05:06:05,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 2 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 05:06:05,121 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 312 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:05,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 221 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:06:05,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-28 05:06:05,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 521. [2024-11-28 05:06:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 473 states have (on average 1.3615221987315012) internal successors, (644), 506 states have internal predecessors, (644), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:06:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 664 transitions. [2024-11-28 05:06:05,157 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 664 transitions. Word has length 56 [2024-11-28 05:06:05,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:05,158 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 664 transitions. [2024-11-28 05:06:05,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 664 transitions. [2024-11-28 05:06:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-28 05:06:05,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:05,159 INFO L218 NwaCegarLoop]: trace histogram [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 05:06:05,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:05,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:05,360 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:05,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:05,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1234218539, now seen corresponding path program 1 times [2024-11-28 05:06:05,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:05,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146481517] [2024-11-28 05:06:05,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:05,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:05,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665411454] [2024-11-28 05:06:05,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:05,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:05,379 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:05,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 05:06:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:05,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:06:05,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:05,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:06,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:06,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146481517] [2024-11-28 05:06:06,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:06,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665411454] [2024-11-28 05:06:06,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665411454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:06,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:06,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 05:06:06,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551013043] [2024-11-28 05:06:06,357 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:06,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:06:06,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:06,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:06:06,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:06:06,358 INFO L87 Difference]: Start difference. First operand 521 states and 664 transitions. Second operand has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:08,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:08,450 INFO L93 Difference]: Finished difference Result 586 states and 738 transitions. [2024-11-28 05:06:08,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:06:08,451 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2024-11-28 05:06:08,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:08,452 INFO L225 Difference]: With dead ends: 586 [2024-11-28 05:06:08,452 INFO L226 Difference]: Without dead ends: 582 [2024-11-28 05:06:08,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2024-11-28 05:06:08,453 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 732 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:08,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 269 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 05:06:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-28 05:06:08,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 547. [2024-11-28 05:06:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 499 states have (on average 1.3386773547094188) internal successors, (668), 532 states have internal predecessors, (668), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:06:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 688 transitions. [2024-11-28 05:06:08,482 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 688 transitions. Word has length 57 [2024-11-28 05:06:08,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:08,483 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 688 transitions. [2024-11-28 05:06:08,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.153846153846153) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 688 transitions. [2024-11-28 05:06:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-28 05:06:08,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:08,484 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:08,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-28 05:06:08,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:08,688 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:08,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:08,688 INFO L85 PathProgramCache]: Analyzing trace with hash -245847521, now seen corresponding path program 1 times [2024-11-28 05:06:08,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:08,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943114910] [2024-11-28 05:06:08,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:08,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:08,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572920984] [2024-11-28 05:06:08,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:08,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:08,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:08,704 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:08,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 05:06:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:08,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:06:08,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:09,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:09,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:09,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943114910] [2024-11-28 05:06:09,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:09,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572920984] [2024-11-28 05:06:09,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572920984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:09,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:09,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-28 05:06:09,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491941991] [2024-11-28 05:06:09,180 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:09,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:06:09,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:09,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:06:09,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:06:09,181 INFO L87 Difference]: Start difference. First operand 547 states and 688 transitions. Second operand has 13 states, 12 states have (on average 8.833333333333334) internal successors, (106), 13 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:10,306 INFO L93 Difference]: Finished difference Result 716 states and 859 transitions. [2024-11-28 05:06:10,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:06:10,306 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.833333333333334) internal successors, (106), 13 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 57 [2024-11-28 05:06:10,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:10,309 INFO L225 Difference]: With dead ends: 716 [2024-11-28 05:06:10,309 INFO L226 Difference]: Without dead ends: 715 [2024-11-28 05:06:10,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:06:10,310 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 1164 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:10,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 433 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:06:10,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-11-28 05:06:10,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 601. [2024-11-28 05:06:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 552 states have (on average 1.335144927536232) internal successors, (737), 585 states have internal predecessors, (737), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:06:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 759 transitions. [2024-11-28 05:06:10,345 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 759 transitions. Word has length 57 [2024-11-28 05:06:10,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:10,345 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 759 transitions. [2024-11-28 05:06:10,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.833333333333334) internal successors, (106), 13 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 759 transitions. [2024-11-28 05:06:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 05:06:10,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:10,346 INFO L218 NwaCegarLoop]: trace histogram [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 05:06:10,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:10,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:10,546 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:10,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:10,547 INFO L85 PathProgramCache]: Analyzing trace with hash 393931033, now seen corresponding path program 1 times [2024-11-28 05:06:10,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:10,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359509585] [2024-11-28 05:06:10,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:10,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:10,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:10,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359509585] [2024-11-28 05:06:10,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359509585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:10,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219752288] [2024-11-28 05:06:10,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:10,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:10,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:10,681 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:10,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 05:06:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:10,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:06:10,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:10,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:10,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219752288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:10,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:06:10,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-28 05:06:10,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121187542] [2024-11-28 05:06:10,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:10,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:06:10,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:10,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:06:10,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:06:10,999 INFO L87 Difference]: Start difference. First operand 601 states and 759 transitions. Second operand has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:06:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:11,412 INFO L93 Difference]: Finished difference Result 620 states and 783 transitions. [2024-11-28 05:06:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:06:11,412 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-11-28 05:06:11,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:11,414 INFO L225 Difference]: With dead ends: 620 [2024-11-28 05:06:11,415 INFO L226 Difference]: Without dead ends: 618 [2024-11-28 05:06:11,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:06:11,416 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 294 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:11,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 349 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:06:11,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-28 05:06:11,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 599. [2024-11-28 05:06:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.3115942028985508) internal successors, (724), 583 states have internal predecessors, (724), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:06:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 746 transitions. [2024-11-28 05:06:11,455 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 746 transitions. Word has length 58 [2024-11-28 05:06:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:11,455 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 746 transitions. [2024-11-28 05:06:11,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.7) internal successors, (137), 11 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:06:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 746 transitions. [2024-11-28 05:06:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 05:06:11,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:11,456 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:11,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:11,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-28 05:06:11,658 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:11,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:11,658 INFO L85 PathProgramCache]: Analyzing trace with hash 968661511, now seen corresponding path program 1 times [2024-11-28 05:06:11,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:11,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200272750] [2024-11-28 05:06:11,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:11,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:11,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749845432] [2024-11-28 05:06:11,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:11,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:11,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:11,680 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:11,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 05:06:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:11,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:06:11,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:12,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:12,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:12,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200272750] [2024-11-28 05:06:12,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:12,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749845432] [2024-11-28 05:06:12,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749845432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:12,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:12,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-28 05:06:12,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515307556] [2024-11-28 05:06:12,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:12,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:06:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:12,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:06:12,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:06:12,591 INFO L87 Difference]: Start difference. First operand 599 states and 746 transitions. Second operand has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:13,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:13,630 INFO L93 Difference]: Finished difference Result 710 states and 838 transitions. [2024-11-28 05:06:13,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:06:13,631 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2024-11-28 05:06:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:13,633 INFO L225 Difference]: With dead ends: 710 [2024-11-28 05:06:13,633 INFO L226 Difference]: Without dead ends: 708 [2024-11-28 05:06:13,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:06:13,634 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 1014 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:13,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 425 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:06:13,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-28 05:06:13,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 599. [2024-11-28 05:06:13,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 552 states have (on average 1.2971014492753623) internal successors, (716), 583 states have internal predecessors, (716), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:06:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 738 transitions. [2024-11-28 05:06:13,670 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 738 transitions. Word has length 58 [2024-11-28 05:06:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:13,670 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 738 transitions. [2024-11-28 05:06:13,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.0) internal successors, (108), 13 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 738 transitions. [2024-11-28 05:06:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 05:06:13,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:13,671 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:13,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:13,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:13,872 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:13,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:13,873 INFO L85 PathProgramCache]: Analyzing trace with hash -36264159, now seen corresponding path program 1 times [2024-11-28 05:06:13,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:13,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67675440] [2024-11-28 05:06:13,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:13,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:13,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [873990106] [2024-11-28 05:06:13,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:13,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:13,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:13,898 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:13,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 05:06:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:13,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 05:06:13,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:14,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:15,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:15,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67675440] [2024-11-28 05:06:15,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:15,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873990106] [2024-11-28 05:06:15,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873990106] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:15,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:15,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-28 05:06:15,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448460096] [2024-11-28 05:06:15,423 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:15,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 05:06:15,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:15,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 05:06:15,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:06:15,425 INFO L87 Difference]: Start difference. First operand 599 states and 738 transitions. Second operand has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:18,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:18,618 INFO L93 Difference]: Finished difference Result 681 states and 835 transitions. [2024-11-28 05:06:18,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-28 05:06:18,618 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2024-11-28 05:06:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:18,621 INFO L225 Difference]: With dead ends: 681 [2024-11-28 05:06:18,621 INFO L226 Difference]: Without dead ends: 679 [2024-11-28 05:06:18,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=353, Invalid=1809, Unknown=0, NotChecked=0, Total=2162 [2024-11-28 05:06:18,622 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 462 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:18,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 684 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 05:06:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-28 05:06:18,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 601. [2024-11-28 05:06:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 554 states have (on average 1.2924187725631768) internal successors, (716), 585 states have internal predecessors, (716), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:06:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 738 transitions. [2024-11-28 05:06:18,664 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 738 transitions. Word has length 59 [2024-11-28 05:06:18,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:18,664 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 738 transitions. [2024-11-28 05:06:18,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.608695652173913) internal successors, (106), 24 states have internal predecessors, (106), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 738 transitions. [2024-11-28 05:06:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 05:06:18,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:18,666 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:18,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-28 05:06:18,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:18,870 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:18,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:18,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1124188855, now seen corresponding path program 1 times [2024-11-28 05:06:18,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:18,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980341081] [2024-11-28 05:06:18,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:18,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:18,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860265364] [2024-11-28 05:06:18,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:18,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:18,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:18,898 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:18,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 05:06:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:18,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 05:06:18,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:19,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:20,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:20,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980341081] [2024-11-28 05:06:20,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:20,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860265364] [2024-11-28 05:06:20,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860265364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:20,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:20,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-28 05:06:20,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602318646] [2024-11-28 05:06:20,045 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:20,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:06:20,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:20,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:06:20,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:06:20,047 INFO L87 Difference]: Start difference. First operand 601 states and 738 transitions. Second operand has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:23,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:23,046 INFO L93 Difference]: Finished difference Result 712 states and 876 transitions. [2024-11-28 05:06:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 05:06:23,047 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2024-11-28 05:06:23,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:23,049 INFO L225 Difference]: With dead ends: 712 [2024-11-28 05:06:23,049 INFO L226 Difference]: Without dead ends: 707 [2024-11-28 05:06:23,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=357, Invalid=1623, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 05:06:23,054 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 763 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:23,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 469 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 05:06:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-28 05:06:23,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 615. [2024-11-28 05:06:23,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 568 states have (on average 1.2852112676056338) internal successors, (730), 599 states have internal predecessors, (730), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:06:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 752 transitions. [2024-11-28 05:06:23,095 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 752 transitions. Word has length 60 [2024-11-28 05:06:23,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:23,096 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 752 transitions. [2024-11-28 05:06:23,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.588235294117647) internal successors, (112), 18 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 752 transitions. [2024-11-28 05:06:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-28 05:06:23,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:23,097 INFO L218 NwaCegarLoop]: trace histogram [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 05:06:23,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-28 05:06:23,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:23,302 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:23,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:23,302 INFO L85 PathProgramCache]: Analyzing trace with hash -490116061, now seen corresponding path program 1 times [2024-11-28 05:06:23,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:23,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184765451] [2024-11-28 05:06:23,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:23,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:23,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002777413] [2024-11-28 05:06:23,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:23,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:23,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:23,323 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:23,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 05:06:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:23,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:06:23,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:23,676 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:23,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:23,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184765451] [2024-11-28 05:06:23,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:23,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002777413] [2024-11-28 05:06:23,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002777413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:23,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:23,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 05:06:23,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801261683] [2024-11-28 05:06:23,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:23,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:06:23,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:23,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:06:23,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:06:23,972 INFO L87 Difference]: Start difference. First operand 615 states and 752 transitions. Second operand has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:25,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:25,758 INFO L93 Difference]: Finished difference Result 718 states and 877 transitions. [2024-11-28 05:06:25,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:06:25,758 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2024-11-28 05:06:25,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:25,760 INFO L225 Difference]: With dead ends: 718 [2024-11-28 05:06:25,760 INFO L226 Difference]: Without dead ends: 716 [2024-11-28 05:06:25,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:06:25,761 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 306 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:25,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 688 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 05:06:25,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2024-11-28 05:06:25,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 626. [2024-11-28 05:06:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 579 states have (on average 1.2901554404145077) internal successors, (747), 610 states have internal predecessors, (747), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:06:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 769 transitions. [2024-11-28 05:06:25,810 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 769 transitions. Word has length 61 [2024-11-28 05:06:25,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:25,811 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 769 transitions. [2024-11-28 05:06:25,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 14 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 769 transitions. [2024-11-28 05:06:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 05:06:25,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:25,812 INFO L218 NwaCegarLoop]: trace histogram [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 05:06:25,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:26,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:26,017 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:26,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:26,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1620815715, now seen corresponding path program 1 times [2024-11-28 05:06:26,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:26,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949965793] [2024-11-28 05:06:26,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:26,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:26,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:26,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949965793] [2024-11-28 05:06:26,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949965793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:26,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622177597] [2024-11-28 05:06:26,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:26,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:26,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:26,106 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:26,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 05:06:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:26,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:06:26,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:26,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:26,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622177597] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:26,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:06:26,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-28 05:06:26,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896461099] [2024-11-28 05:06:26,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:26,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:06:26,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:26,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:06:26,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:06:26,554 INFO L87 Difference]: Start difference. First operand 626 states and 769 transitions. Second operand has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:27,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:27,069 INFO L93 Difference]: Finished difference Result 827 states and 1035 transitions. [2024-11-28 05:06:27,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:06:27,070 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2024-11-28 05:06:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:27,072 INFO L225 Difference]: With dead ends: 827 [2024-11-28 05:06:27,072 INFO L226 Difference]: Without dead ends: 825 [2024-11-28 05:06:27,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:06:27,073 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 220 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:27,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 298 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:06:27,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-28 05:06:27,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 791. [2024-11-28 05:06:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 741 states have (on average 1.3144399460188934) internal successors, (974), 772 states have internal predecessors, (974), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 05:06:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1002 transitions. [2024-11-28 05:06:27,107 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1002 transitions. Word has length 62 [2024-11-28 05:06:27,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:27,107 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1002 transitions. [2024-11-28 05:06:27,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.875) internal successors, (119), 9 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1002 transitions. [2024-11-28 05:06:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 05:06:27,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:27,108 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:27,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-28 05:06:27,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-28 05:06:27,309 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:27,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:27,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1294320475, now seen corresponding path program 1 times [2024-11-28 05:06:27,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:27,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84759298] [2024-11-28 05:06:27,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:27,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:27,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:27,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84759298] [2024-11-28 05:06:27,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84759298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:27,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:27,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:06:27,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142151822] [2024-11-28 05:06:27,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:27,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:06:27,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:27,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:06:27,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:06:27,391 INFO L87 Difference]: Start difference. First operand 791 states and 1002 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:27,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:27,801 INFO L93 Difference]: Finished difference Result 1075 states and 1385 transitions. [2024-11-28 05:06:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:06:27,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-28 05:06:27,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:27,806 INFO L225 Difference]: With dead ends: 1075 [2024-11-28 05:06:27,807 INFO L226 Difference]: Without dead ends: 1073 [2024-11-28 05:06:27,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:06:27,808 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 90 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:27,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 308 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:06:27,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-11-28 05:06:27,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 993. [2024-11-28 05:06:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 938 states have (on average 1.3379530916844349) internal successors, (1255), 969 states have internal predecessors, (1255), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:06:27,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1293 transitions. [2024-11-28 05:06:27,880 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1293 transitions. Word has length 63 [2024-11-28 05:06:27,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:27,881 INFO L471 AbstractCegarLoop]: Abstraction has 993 states and 1293 transitions. [2024-11-28 05:06:27,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 05:06:27,881 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1293 transitions. [2024-11-28 05:06:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 05:06:27,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:27,882 INFO L218 NwaCegarLoop]: trace histogram [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 05:06:27,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-28 05:06:27,882 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:27,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:27,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1469229151, now seen corresponding path program 1 times [2024-11-28 05:06:27,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:27,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086127419] [2024-11-28 05:06:27,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:27,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:27,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738377184] [2024-11-28 05:06:27,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:27,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:27,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:27,904 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:27,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-28 05:06:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:27,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:06:27,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:28,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:06:28,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:28,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086127419] [2024-11-28 05:06:28,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:28,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738377184] [2024-11-28 05:06:28,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738377184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:28,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:28,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-28 05:06:28,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388397820] [2024-11-28 05:06:28,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:28,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:06:28,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:28,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:06:28,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:06:28,729 INFO L87 Difference]: Start difference. First operand 993 states and 1293 transitions. Second operand has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:30,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:30,666 INFO L93 Difference]: Finished difference Result 1034 states and 1342 transitions. [2024-11-28 05:06:30,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 05:06:30,666 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2024-11-28 05:06:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:30,669 INFO L225 Difference]: With dead ends: 1034 [2024-11-28 05:06:30,669 INFO L226 Difference]: Without dead ends: 1008 [2024-11-28 05:06:30,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:06:30,670 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 339 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 1065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:30,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 271 Invalid, 1065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 05:06:30,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2024-11-28 05:06:30,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 978. [2024-11-28 05:06:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 978 states, 923 states have (on average 1.3391115926327193) internal successors, (1236), 954 states have internal predecessors, (1236), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:06:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1274 transitions. [2024-11-28 05:06:30,756 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1274 transitions. Word has length 64 [2024-11-28 05:06:30,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:30,757 INFO L471 AbstractCegarLoop]: Abstraction has 978 states and 1274 transitions. [2024-11-28 05:06:30,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.25) internal successors, (111), 13 states have internal predecessors, (111), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1274 transitions. [2024-11-28 05:06:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 05:06:30,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:30,758 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 05:06:30,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-28 05:06:30,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-28 05:06:30,962 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:30,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:30,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1246055975, now seen corresponding path program 1 times [2024-11-28 05:06:30,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:30,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032335478] [2024-11-28 05:06:30,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:30,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:31,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:31,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032335478] [2024-11-28 05:06:31,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032335478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:31,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623612755] [2024-11-28 05:06:31,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:31,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:31,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:31,047 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:31,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-28 05:06:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:31,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:06:31,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:31,235 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:31,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:31,434 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:31,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623612755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:31,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:06:31,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-28 05:06:31,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054182313] [2024-11-28 05:06:31,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:31,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:06:31,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:31,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:06:31,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:06:31,436 INFO L87 Difference]: Start difference. First operand 978 states and 1274 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:31,874 INFO L93 Difference]: Finished difference Result 1014 states and 1298 transitions. [2024-11-28 05:06:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:06:31,875 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2024-11-28 05:06:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:31,878 INFO L225 Difference]: With dead ends: 1014 [2024-11-28 05:06:31,879 INFO L226 Difference]: Without dead ends: 1012 [2024-11-28 05:06:31,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:06:31,882 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 175 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:31,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 328 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:06:31,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2024-11-28 05:06:31,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 982. [2024-11-28 05:06:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 927 states have (on average 1.325782092772384) internal successors, (1229), 958 states have internal predecessors, (1229), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:06:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1267 transitions. [2024-11-28 05:06:31,934 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1267 transitions. Word has length 65 [2024-11-28 05:06:31,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:31,934 INFO L471 AbstractCegarLoop]: Abstraction has 982 states and 1267 transitions. [2024-11-28 05:06:31,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:31,934 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1267 transitions. [2024-11-28 05:06:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 05:06:31,935 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:31,935 INFO L218 NwaCegarLoop]: trace histogram [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 05:06:31,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:32,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-28 05:06:32,136 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:32,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:32,136 INFO L85 PathProgramCache]: Analyzing trace with hash -836080855, now seen corresponding path program 1 times [2024-11-28 05:06:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:32,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62945435] [2024-11-28 05:06:32,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:32,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:32,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959989136] [2024-11-28 05:06:32,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:32,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:32,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:32,156 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:32,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-28 05:06:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:32,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 05:06:32,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:06:32,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:06:33,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:33,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62945435] [2024-11-28 05:06:33,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:33,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959989136] [2024-11-28 05:06:33,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959989136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:33,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:33,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-28 05:06:33,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581908620] [2024-11-28 05:06:33,171 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:33,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:06:33,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:33,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:06:33,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:06:33,171 INFO L87 Difference]: Start difference. First operand 982 states and 1267 transitions. Second operand has 15 states, 14 states have (on average 8.357142857142858) internal successors, (117), 15 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:35,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:35,594 INFO L93 Difference]: Finished difference Result 1029 states and 1321 transitions. [2024-11-28 05:06:35,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 05:06:35,595 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.357142857142858) internal successors, (117), 15 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 67 [2024-11-28 05:06:35,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:35,598 INFO L225 Difference]: With dead ends: 1029 [2024-11-28 05:06:35,598 INFO L226 Difference]: Without dead ends: 1026 [2024-11-28 05:06:35,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:06:35,599 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 288 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:35,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 309 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1639 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:06:35,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-28 05:06:35,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 987. [2024-11-28 05:06:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 933 states have (on average 1.3161843515541265) internal successors, (1228), 963 states have internal predecessors, (1228), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 05:06:35,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1266 transitions. [2024-11-28 05:06:35,654 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1266 transitions. Word has length 67 [2024-11-28 05:06:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:35,654 INFO L471 AbstractCegarLoop]: Abstraction has 987 states and 1266 transitions. [2024-11-28 05:06:35,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.357142857142858) internal successors, (117), 15 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:06:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1266 transitions. [2024-11-28 05:06:35,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 05:06:35,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:35,655 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:35,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:35,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-28 05:06:35,860 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:35,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:35,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1785553972, now seen corresponding path program 1 times [2024-11-28 05:06:35,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:35,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076033243] [2024-11-28 05:06:35,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:35,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:35,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:35,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076033243] [2024-11-28 05:06:35,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076033243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:35,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726213331] [2024-11-28 05:06:35,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:35,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:35,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:35,961 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:35,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-28 05:06:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:36,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:06:36,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:36,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:36,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726213331] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:36,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:06:36,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-28 05:06:36,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12715257] [2024-11-28 05:06:36,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:36,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:06:36,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:36,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:06:36,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:06:36,511 INFO L87 Difference]: Start difference. First operand 987 states and 1266 transitions. Second operand has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:06:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:37,039 INFO L93 Difference]: Finished difference Result 1326 states and 1699 transitions. [2024-11-28 05:06:37,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:06:37,040 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 74 [2024-11-28 05:06:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:37,043 INFO L225 Difference]: With dead ends: 1326 [2024-11-28 05:06:37,043 INFO L226 Difference]: Without dead ends: 1325 [2024-11-28 05:06:37,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:06:37,043 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 454 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:37,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 367 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:06:37,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-11-28 05:06:37,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1192. [2024-11-28 05:06:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 1132 states have (on average 1.3197879858657244) internal successors, (1494), 1162 states have internal predecessors, (1494), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 05:06:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1544 transitions. [2024-11-28 05:06:37,112 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1544 transitions. Word has length 74 [2024-11-28 05:06:37,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:37,112 INFO L471 AbstractCegarLoop]: Abstraction has 1192 states and 1544 transitions. [2024-11-28 05:06:37,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.3) internal successors, (193), 11 states have internal predecessors, (193), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:06:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1544 transitions. [2024-11-28 05:06:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 05:06:37,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:37,113 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-11-28 05:06:37,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:37,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-28 05:06:37,314 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:37,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:37,314 INFO L85 PathProgramCache]: Analyzing trace with hash 849461987, now seen corresponding path program 1 times [2024-11-28 05:06:37,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:37,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892790329] [2024-11-28 05:06:37,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:37,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:37,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:37,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892790329] [2024-11-28 05:06:37,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892790329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:37,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383324360] [2024-11-28 05:06:37,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:37,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:37,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:37,401 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:37,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-28 05:06:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:37,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:06:37,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:37,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:37,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383324360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:37,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:06:37,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-28 05:06:37,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792764560] [2024-11-28 05:06:37,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:37,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:06:37,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:37,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:06:37,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:06:37,983 INFO L87 Difference]: Start difference. First operand 1192 states and 1544 transitions. Second operand has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 05:06:38,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:38,651 INFO L93 Difference]: Finished difference Result 1664 states and 2151 transitions. [2024-11-28 05:06:38,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:06:38,651 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 77 [2024-11-28 05:06:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:38,658 INFO L225 Difference]: With dead ends: 1664 [2024-11-28 05:06:38,658 INFO L226 Difference]: Without dead ends: 1663 [2024-11-28 05:06:38,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:06:38,659 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 418 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:38,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 530 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:06:38,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2024-11-28 05:06:38,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1450. [2024-11-28 05:06:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1382 states have (on average 1.329232995658466) internal successors, (1837), 1412 states have internal predecessors, (1837), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 05:06:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1903 transitions. [2024-11-28 05:06:38,737 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1903 transitions. Word has length 77 [2024-11-28 05:06:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:38,737 INFO L471 AbstractCegarLoop]: Abstraction has 1450 states and 1903 transitions. [2024-11-28 05:06:38,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.88888888888889) internal successors, (170), 10 states have internal predecessors, (170), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 05:06:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1903 transitions. [2024-11-28 05:06:38,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 05:06:38,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:38,738 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:38,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-28 05:06:38,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:38,942 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:38,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash 226863665, now seen corresponding path program 1 times [2024-11-28 05:06:38,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:38,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259853274] [2024-11-28 05:06:38,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:38,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:39,109 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:39,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:39,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259853274] [2024-11-28 05:06:39,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259853274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:39,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636506493] [2024-11-28 05:06:39,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:39,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:39,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:39,112 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:39,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-28 05:06:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:39,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:06:39,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:39,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:40,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636506493] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:40,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:06:40,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-28 05:06:40,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524041878] [2024-11-28 05:06:40,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:40,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:06:40,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:40,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:06:40,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:06:40,163 INFO L87 Difference]: Start difference. First operand 1450 states and 1903 transitions. Second operand has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:06:41,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:41,344 INFO L93 Difference]: Finished difference Result 1636 states and 2120 transitions. [2024-11-28 05:06:41,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 05:06:41,345 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 81 [2024-11-28 05:06:41,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:41,352 INFO L225 Difference]: With dead ends: 1636 [2024-11-28 05:06:41,352 INFO L226 Difference]: Without dead ends: 1635 [2024-11-28 05:06:41,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 05:06:41,353 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 485 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:41,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 562 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:06:41,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2024-11-28 05:06:41,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1506. [2024-11-28 05:06:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1436 states have (on average 1.3286908077994428) internal successors, (1908), 1466 states have internal predecessors, (1908), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 05:06:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1978 transitions. [2024-11-28 05:06:41,439 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1978 transitions. Word has length 81 [2024-11-28 05:06:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:41,439 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 1978 transitions. [2024-11-28 05:06:41,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 12.352941176470589) internal successors, (210), 18 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:06:41,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1978 transitions. [2024-11-28 05:06:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 05:06:41,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:41,440 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:41,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:41,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:41,641 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:41,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:41,641 INFO L85 PathProgramCache]: Analyzing trace with hash 860535784, now seen corresponding path program 1 times [2024-11-28 05:06:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806328945] [2024-11-28 05:06:41,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:41,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:41,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140088051] [2024-11-28 05:06:41,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:41,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:41,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:41,660 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:41,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-28 05:06:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:41,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:06:41,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:42,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:06:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:06:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:42,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806328945] [2024-11-28 05:06:42,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:06:42,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140088051] [2024-11-28 05:06:42,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140088051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:06:42,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:06:42,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 05:06:42,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783693166] [2024-11-28 05:06:42,462 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:06:42,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:06:42,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:42,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:06:42,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:06:42,464 INFO L87 Difference]: Start difference. First operand 1506 states and 1978 transitions. Second operand has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:06:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:44,180 INFO L93 Difference]: Finished difference Result 1514 states and 1979 transitions. [2024-11-28 05:06:44,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 05:06:44,180 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2024-11-28 05:06:44,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:44,188 INFO L225 Difference]: With dead ends: 1514 [2024-11-28 05:06:44,188 INFO L226 Difference]: Without dead ends: 1512 [2024-11-28 05:06:44,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:06:44,189 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 212 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:44,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 620 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 05:06:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-28 05:06:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1506. [2024-11-28 05:06:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1436 states have (on average 1.325208913649025) internal successors, (1903), 1466 states have internal predecessors, (1903), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 05:06:44,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1973 transitions. [2024-11-28 05:06:44,280 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1973 transitions. Word has length 82 [2024-11-28 05:06:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:44,281 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 1973 transitions. [2024-11-28 05:06:44,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.923076923076923) internal successors, (142), 14 states have internal predecessors, (142), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:06:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1973 transitions. [2024-11-28 05:06:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 05:06:44,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:44,282 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:44,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-28 05:06:44,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:44,482 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:06:44,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:44,483 INFO L85 PathProgramCache]: Analyzing trace with hash 906805680, now seen corresponding path program 1 times [2024-11-28 05:06:44,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:44,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717694722] [2024-11-28 05:06:44,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:44,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:06:44,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092479258] [2024-11-28 05:06:44,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:44,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:44,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:44,502 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:44,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-28 05:06:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:44,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 05:06:44,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 05:06:45,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:31,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:31,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717694722] [2024-11-28 05:07:31,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:31,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092479258] [2024-11-28 05:07:31,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092479258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:31,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:07:31,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 05:07:31,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537469083] [2024-11-28 05:07:31,997 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:31,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:07:31,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:31,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:07:31,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=682, Unknown=8, NotChecked=0, Total=812 [2024-11-28 05:07:31,998 INFO L87 Difference]: Start difference. First operand 1506 states and 1973 transitions. Second operand has 16 states, 15 states have (on average 5.266666666666667) internal successors, (79), 16 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:07:33,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:33,105 INFO L93 Difference]: Finished difference Result 1508 states and 1974 transitions. [2024-11-28 05:07:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:07:33,106 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.266666666666667) internal successors, (79), 16 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2024-11-28 05:07:33,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:33,116 INFO L225 Difference]: With dead ends: 1508 [2024-11-28 05:07:33,116 INFO L226 Difference]: Without dead ends: 1507 [2024-11-28 05:07:33,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 45.5s TimeCoverageRelationStatistics Valid=151, Invalid=771, Unknown=8, NotChecked=0, Total=930 [2024-11-28 05:07:33,118 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 67 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:33,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 730 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:07:33,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-11-28 05:07:33,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1506. [2024-11-28 05:07:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1506 states, 1436 states have (on average 1.3245125348189415) internal successors, (1902), 1466 states have internal predecessors, (1902), 35 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 05:07:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1506 states and 1972 transitions. [2024-11-28 05:07:33,265 INFO L78 Accepts]: Start accepts. Automaton has 1506 states and 1972 transitions. Word has length 83 [2024-11-28 05:07:33,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:33,269 INFO L471 AbstractCegarLoop]: Abstraction has 1506 states and 1972 transitions. [2024-11-28 05:07:33,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.266666666666667) internal successors, (79), 16 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:07:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1972 transitions. [2024-11-28 05:07:33,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 05:07:33,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:33,272 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:33,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-28 05:07:33,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-28 05:07:33,473 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:07:33,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:33,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1027346093, now seen corresponding path program 1 times [2024-11-28 05:07:33,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:33,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648000740] [2024-11-28 05:07:33,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:33,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:33,609 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:33,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:33,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648000740] [2024-11-28 05:07:33,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648000740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:33,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799431659] [2024-11-28 05:07:33,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:33,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:33,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:33,613 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:33,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-28 05:07:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:33,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:07:33,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:33,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:33,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799431659] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:33,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:33,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-28 05:07:33,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146799083] [2024-11-28 05:07:33,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:33,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:07:33,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:33,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:07:33,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:07:33,999 INFO L87 Difference]: Start difference. First operand 1506 states and 1972 transitions. Second operand has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 05:07:34,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:34,279 INFO L93 Difference]: Finished difference Result 2089 states and 2712 transitions. [2024-11-28 05:07:34,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:07:34,280 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 83 [2024-11-28 05:07:34,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:34,286 INFO L225 Difference]: With dead ends: 2089 [2024-11-28 05:07:34,286 INFO L226 Difference]: Without dead ends: 2088 [2024-11-28 05:07:34,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:07:34,287 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 289 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:34,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 603 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:07:34,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2024-11-28 05:07:34,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 1848. [2024-11-28 05:07:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1848 states, 1769 states have (on average 1.3346523459581685) internal successors, (2361), 1799 states have internal predecessors, (2361), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-28 05:07:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2449 transitions. [2024-11-28 05:07:34,387 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2449 transitions. Word has length 83 [2024-11-28 05:07:34,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:34,387 INFO L471 AbstractCegarLoop]: Abstraction has 1848 states and 2449 transitions. [2024-11-28 05:07:34,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.09090909090909) internal successors, (177), 12 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 05:07:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2449 transitions. [2024-11-28 05:07:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 05:07:34,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:34,388 INFO L218 NwaCegarLoop]: trace histogram [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, 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 05:07:34,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:34,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-28 05:07:34,589 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:07:34,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:34,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1260058277, now seen corresponding path program 1 times [2024-11-28 05:07:34,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:34,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762840381] [2024-11-28 05:07:34,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:34,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:34,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762840381] [2024-11-28 05:07:34,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762840381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:34,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631374292] [2024-11-28 05:07:34,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:34,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:34,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:34,744 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:34,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-28 05:07:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:34,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:07:34,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:35,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:35,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631374292] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:35,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:35,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2024-11-28 05:07:35,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812652410] [2024-11-28 05:07:35,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:35,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:07:35,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:35,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:07:35,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:07:35,257 INFO L87 Difference]: Start difference. First operand 1848 states and 2449 transitions. Second operand has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-28 05:07:35,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:35,577 INFO L93 Difference]: Finished difference Result 2438 states and 3196 transitions. [2024-11-28 05:07:35,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:07:35,578 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 87 [2024-11-28 05:07:35,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:35,584 INFO L225 Difference]: With dead ends: 2438 [2024-11-28 05:07:35,584 INFO L226 Difference]: Without dead ends: 2248 [2024-11-28 05:07:35,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:07:35,586 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 167 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:35,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 960 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:07:35,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2024-11-28 05:07:35,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 2036. [2024-11-28 05:07:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1953 states have (on average 1.31131592421915) internal successors, (2561), 1983 states have internal predecessors, (2561), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 05:07:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2655 transitions. [2024-11-28 05:07:35,711 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2655 transitions. Word has length 87 [2024-11-28 05:07:35,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:35,711 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2655 transitions. [2024-11-28 05:07:35,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.333333333333334) internal successors, (160), 12 states have internal predecessors, (160), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-28 05:07:35,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2655 transitions. [2024-11-28 05:07:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 05:07:35,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:35,712 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:35,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-28 05:07:35,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-28 05:07:35,913 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:07:35,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:35,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1052660040, now seen corresponding path program 1 times [2024-11-28 05:07:35,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:35,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469642647] [2024-11-28 05:07:35,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:35,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:35,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547582733] [2024-11-28 05:07:35,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:35,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:35,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:35,938 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:35,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-28 05:07:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:36,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 05:07:36,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:37,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:38,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:38,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469642647] [2024-11-28 05:07:38,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:38,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547582733] [2024-11-28 05:07:38,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547582733] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:38,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:07:38,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2024-11-28 05:07:38,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70734729] [2024-11-28 05:07:38,201 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:38,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-28 05:07:38,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:38,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-28 05:07:38,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=877, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 05:07:38,202 INFO L87 Difference]: Start difference. First operand 2036 states and 2655 transitions. Second operand has 33 states, 32 states have (on average 5.1875) internal successors, (166), 33 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:07:43,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:43,865 INFO L93 Difference]: Finished difference Result 2062 states and 2687 transitions. [2024-11-28 05:07:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-28 05:07:43,866 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.1875) internal successors, (166), 33 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 91 [2024-11-28 05:07:43,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:43,871 INFO L225 Difference]: With dead ends: 2062 [2024-11-28 05:07:43,871 INFO L226 Difference]: Without dead ends: 2061 [2024-11-28 05:07:43,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=507, Invalid=2573, Unknown=0, NotChecked=0, Total=3080 [2024-11-28 05:07:43,872 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 407 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 2746 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:43,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 686 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2746 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 05:07:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2024-11-28 05:07:43,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2036. [2024-11-28 05:07:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1953 states have (on average 1.3108038914490527) internal successors, (2560), 1983 states have internal predecessors, (2560), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 05:07:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2654 transitions. [2024-11-28 05:07:43,981 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2654 transitions. Word has length 91 [2024-11-28 05:07:43,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:43,981 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2654 transitions. [2024-11-28 05:07:43,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.1875) internal successors, (166), 33 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:07:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2654 transitions. [2024-11-28 05:07:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 05:07:43,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:43,982 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:43,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-28 05:07:44,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-28 05:07:44,182 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:07:44,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:44,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1727277298, now seen corresponding path program 1 times [2024-11-28 05:07:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:44,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564428673] [2024-11-28 05:07:44,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:44,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:44,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564428673] [2024-11-28 05:07:44,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564428673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:44,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067931556] [2024-11-28 05:07:44,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:44,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:44,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:44,362 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:44,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-28 05:07:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:44,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:07:44,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:44,960 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:44,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:45,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067931556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:45,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:45,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-28 05:07:45,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734581748] [2024-11-28 05:07:45,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:45,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 05:07:45,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:45,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 05:07:45,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:07:45,462 INFO L87 Difference]: Start difference. First operand 2036 states and 2654 transitions. Second operand has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:07:46,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:46,912 INFO L93 Difference]: Finished difference Result 2066 states and 2686 transitions. [2024-11-28 05:07:46,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:07:46,912 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 92 [2024-11-28 05:07:46,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:46,917 INFO L225 Difference]: With dead ends: 2066 [2024-11-28 05:07:46,917 INFO L226 Difference]: Without dead ends: 2065 [2024-11-28 05:07:46,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 05:07:46,919 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 205 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:46,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 890 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:07:46,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2024-11-28 05:07:47,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 2043. [2024-11-28 05:07:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 1960 states have (on average 1.3096938775510205) internal successors, (2567), 1990 states have internal predecessors, (2567), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 05:07:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2661 transitions. [2024-11-28 05:07:47,056 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2661 transitions. Word has length 92 [2024-11-28 05:07:47,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:47,057 INFO L471 AbstractCegarLoop]: Abstraction has 2043 states and 2661 transitions. [2024-11-28 05:07:47,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 10.863636363636363) internal successors, (239), 23 states have internal predecessors, (239), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:07:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2661 transitions. [2024-11-28 05:07:47,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 05:07:47,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:47,058 INFO L218 NwaCegarLoop]: trace histogram [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, 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 05:07:47,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:47,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:47,258 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:07:47,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:47,258 INFO L85 PathProgramCache]: Analyzing trace with hash 527690375, now seen corresponding path program 1 times [2024-11-28 05:07:47,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:47,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815118013] [2024-11-28 05:07:47,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:47,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:47,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828959420] [2024-11-28 05:07:47,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:47,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:47,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:47,288 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:47,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-28 05:07:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:47,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 05:07:47,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:47,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:48,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:48,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815118013] [2024-11-28 05:07:48,353 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:48,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828959420] [2024-11-28 05:07:48,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828959420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:48,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:07:48,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-28 05:07:48,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76136966] [2024-11-28 05:07:48,354 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:48,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:07:48,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:48,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:07:48,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:07:48,355 INFO L87 Difference]: Start difference. First operand 2043 states and 2661 transitions. Second operand has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:07:50,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:50,400 INFO L93 Difference]: Finished difference Result 2533 states and 3297 transitions. [2024-11-28 05:07:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 05:07:50,401 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 92 [2024-11-28 05:07:50,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:50,406 INFO L225 Difference]: With dead ends: 2533 [2024-11-28 05:07:50,406 INFO L226 Difference]: Without dead ends: 2531 [2024-11-28 05:07:50,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2024-11-28 05:07:50,407 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 777 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:50,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 476 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:07:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2024-11-28 05:07:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2309. [2024-11-28 05:07:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 2215 states have (on average 1.3115124153498872) internal successors, (2905), 2245 states have internal predecessors, (2905), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-28 05:07:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3021 transitions. [2024-11-28 05:07:50,555 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3021 transitions. Word has length 92 [2024-11-28 05:07:50,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:50,556 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3021 transitions. [2024-11-28 05:07:50,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 11.066666666666666) internal successors, (166), 16 states have internal predecessors, (166), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:07:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3021 transitions. [2024-11-28 05:07:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 05:07:50,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:50,557 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:50,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:50,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:50,757 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:07:50,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:50,758 INFO L85 PathProgramCache]: Analyzing trace with hash 39214111, now seen corresponding path program 1 times [2024-11-28 05:07:50,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:50,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138581568] [2024-11-28 05:07:50,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:50,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893570515] [2024-11-28 05:07:50,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:50,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:50,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,794 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-28 05:07:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:50,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:07:50,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:51,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:52,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:52,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138581568] [2024-11-28 05:07:52,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:52,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893570515] [2024-11-28 05:07:52,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893570515] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:52,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:07:52,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 05:07:52,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038924943] [2024-11-28 05:07:52,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:52,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:07:52,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:52,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:07:52,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:07:52,444 INFO L87 Difference]: Start difference. First operand 2309 states and 3021 transitions. Second operand has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:07:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:57,304 INFO L93 Difference]: Finished difference Result 3000 states and 3930 transitions. [2024-11-28 05:07:57,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-28 05:07:57,304 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 95 [2024-11-28 05:07:57,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:57,308 INFO L225 Difference]: With dead ends: 3000 [2024-11-28 05:07:57,309 INFO L226 Difference]: Without dead ends: 2996 [2024-11-28 05:07:57,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=838, Invalid=4132, Unknown=0, NotChecked=0, Total=4970 [2024-11-28 05:07:57,311 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 483 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 2510 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:57,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1200 Invalid, 2551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2510 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 05:07:57,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2996 states. [2024-11-28 05:07:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2996 to 2753. [2024-11-28 05:07:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 2648 states have (on average 1.3157099697885197) internal successors, (3484), 2678 states have internal predecessors, (3484), 69 states have call successors, (69), 5 states have call predecessors, (69), 5 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-28 05:07:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 3622 transitions. [2024-11-28 05:07:57,547 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 3622 transitions. Word has length 95 [2024-11-28 05:07:57,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:57,548 INFO L471 AbstractCegarLoop]: Abstraction has 2753 states and 3622 transitions. [2024-11-28 05:07:57,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.0) internal successors, (168), 22 states have internal predecessors, (168), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:07:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 3622 transitions. [2024-11-28 05:07:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 05:07:57,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:57,551 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:57,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-28 05:07:57,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-28 05:07:57,755 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:07:57,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:57,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1215637515, now seen corresponding path program 1 times [2024-11-28 05:07:57,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:57,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859375179] [2024-11-28 05:07:57,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:07:57,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057869342] [2024-11-28 05:07:57,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:57,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:57,774 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:57,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-28 05:07:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:57,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 05:07:57,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:58,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:07:59,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:59,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859375179] [2024-11-28 05:07:59,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:07:59,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057869342] [2024-11-28 05:07:59,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057869342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:59,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:07:59,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 05:07:59,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246334944] [2024-11-28 05:07:59,856 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:59,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:07:59,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:59,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:07:59,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:07:59,858 INFO L87 Difference]: Start difference. First operand 2753 states and 3622 transitions. Second operand has 22 states, 21 states have (on average 8.285714285714286) internal successors, (174), 22 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:05,563 INFO L93 Difference]: Finished difference Result 2853 states and 3747 transitions. [2024-11-28 05:08:05,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 05:08:05,563 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.285714285714286) internal successors, (174), 22 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2024-11-28 05:08:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:05,570 INFO L225 Difference]: With dead ends: 2853 [2024-11-28 05:08:05,570 INFO L226 Difference]: Without dead ends: 2849 [2024-11-28 05:08:05,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=445, Invalid=2311, Unknown=0, NotChecked=0, Total=2756 [2024-11-28 05:08:05,573 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 880 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 2138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:05,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 571 Invalid, 2138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-28 05:08:05,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2849 states. [2024-11-28 05:08:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2849 to 2763. [2024-11-28 05:08:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2658 states have (on average 1.3130173062452972) internal successors, (3490), 2688 states have internal predecessors, (3490), 69 states have call successors, (69), 5 states have call predecessors, (69), 5 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-28 05:08:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3628 transitions. [2024-11-28 05:08:05,838 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3628 transitions. Word has length 96 [2024-11-28 05:08:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:05,838 INFO L471 AbstractCegarLoop]: Abstraction has 2763 states and 3628 transitions. [2024-11-28 05:08:05,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.285714285714286) internal successors, (174), 22 states have internal predecessors, (174), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3628 transitions. [2024-11-28 05:08:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 05:08:05,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:05,839 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 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 05:08:05,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-28 05:08:06,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:06,040 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:06,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:06,040 INFO L85 PathProgramCache]: Analyzing trace with hash 239284982, now seen corresponding path program 1 times [2024-11-28 05:08:06,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:06,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953762712] [2024-11-28 05:08:06,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:06,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:06,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295076110] [2024-11-28 05:08:06,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:06,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:06,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:06,068 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:06,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-28 05:08:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:06,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 05:08:06,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 05:08:07,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 05:08:07,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:07,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953762712] [2024-11-28 05:08:07,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:07,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295076110] [2024-11-28 05:08:07,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295076110] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:07,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:07,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-28 05:08:07,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858985316] [2024-11-28 05:08:07,618 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:07,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 05:08:07,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:07,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 05:08:07,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:08:07,619 INFO L87 Difference]: Start difference. First operand 2763 states and 3628 transitions. Second operand has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:10,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:10,420 INFO L93 Difference]: Finished difference Result 2781 states and 3646 transitions. [2024-11-28 05:08:10,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 05:08:10,420 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 96 [2024-11-28 05:08:10,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:10,427 INFO L225 Difference]: With dead ends: 2781 [2024-11-28 05:08:10,427 INFO L226 Difference]: Without dead ends: 2757 [2024-11-28 05:08:10,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=251, Invalid=1155, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 05:08:10,429 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 270 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 1887 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:10,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 678 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1887 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 05:08:10,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2024-11-28 05:08:10,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2754. [2024-11-28 05:08:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 2649 states have (on average 1.3148357870894678) internal successors, (3483), 2679 states have internal predecessors, (3483), 69 states have call successors, (69), 5 states have call predecessors, (69), 5 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-28 05:08:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3621 transitions. [2024-11-28 05:08:10,699 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3621 transitions. Word has length 96 [2024-11-28 05:08:10,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:10,699 INFO L471 AbstractCegarLoop]: Abstraction has 2754 states and 3621 transitions. [2024-11-28 05:08:10,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.291666666666667) internal successors, (175), 25 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3621 transitions. [2024-11-28 05:08:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 05:08:10,702 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:10,702 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:10,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-28 05:08:10,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:10,903 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:10,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:10,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1269004375, now seen corresponding path program 1 times [2024-11-28 05:08:10,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:10,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782820955] [2024-11-28 05:08:10,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:10,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:10,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696514516] [2024-11-28 05:08:10,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:10,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:10,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:10,926 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:10,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-28 05:08:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:10,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:08:10,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:11,926 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:12,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:12,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782820955] [2024-11-28 05:08:12,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:12,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696514516] [2024-11-28 05:08:12,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696514516] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:12,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:12,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-28 05:08:12,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667660513] [2024-11-28 05:08:12,419 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:12,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:08:12,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:12,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:08:12,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:08:12,421 INFO L87 Difference]: Start difference. First operand 2754 states and 3621 transitions. Second operand has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:17,496 INFO L93 Difference]: Finished difference Result 2821 states and 3695 transitions. [2024-11-28 05:08:17,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 05:08:17,500 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2024-11-28 05:08:17,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:17,520 INFO L225 Difference]: With dead ends: 2821 [2024-11-28 05:08:17,520 INFO L226 Difference]: Without dead ends: 2818 [2024-11-28 05:08:17,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2024-11-28 05:08:17,522 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1013 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:17,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1013 Valid, 468 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1466 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-28 05:08:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2024-11-28 05:08:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2764. [2024-11-28 05:08:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2659 states have (on average 1.3125235050770967) internal successors, (3490), 2689 states have internal predecessors, (3490), 69 states have call successors, (69), 5 states have call predecessors, (69), 5 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-28 05:08:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3628 transitions. [2024-11-28 05:08:17,775 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3628 transitions. Word has length 97 [2024-11-28 05:08:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:17,776 INFO L471 AbstractCegarLoop]: Abstraction has 2764 states and 3628 transitions. [2024-11-28 05:08:17,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.352941176470589) internal successors, (176), 18 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3628 transitions. [2024-11-28 05:08:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 05:08:17,777 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:17,777 INFO L218 NwaCegarLoop]: trace histogram [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, 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 05:08:17,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-28 05:08:17,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:17,979 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:17,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:17,980 INFO L85 PathProgramCache]: Analyzing trace with hash -969942623, now seen corresponding path program 1 times [2024-11-28 05:08:17,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:17,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882911265] [2024-11-28 05:08:17,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:18,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268249372] [2024-11-28 05:08:18,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:18,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:18,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:18,007 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:18,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-28 05:08:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:18,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:08:18,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:18,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:19,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:19,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882911265] [2024-11-28 05:08:19,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:19,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268249372] [2024-11-28 05:08:19,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268249372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:19,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:19,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-28 05:08:19,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884794838] [2024-11-28 05:08:19,460 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:19,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 05:08:19,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:19,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 05:08:19,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:08:19,461 INFO L87 Difference]: Start difference. First operand 2764 states and 3628 transitions. Second operand has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:24,846 INFO L93 Difference]: Finished difference Result 3036 states and 3962 transitions. [2024-11-28 05:08:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-28 05:08:24,847 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 97 [2024-11-28 05:08:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:24,854 INFO L225 Difference]: With dead ends: 3036 [2024-11-28 05:08:24,854 INFO L226 Difference]: Without dead ends: 3034 [2024-11-28 05:08:24,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=500, Invalid=3160, Unknown=0, NotChecked=0, Total=3660 [2024-11-28 05:08:24,857 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 467 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 3022 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 3022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:24,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1377 Invalid, 3059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 3022 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-28 05:08:24,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2024-11-28 05:08:25,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 2858. [2024-11-28 05:08:25,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2858 states, 2751 states have (on average 1.311886586695747) internal successors, (3609), 2781 states have internal predecessors, (3609), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 05:08:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 3751 transitions. [2024-11-28 05:08:25,151 INFO L78 Accepts]: Start accepts. Automaton has 2858 states and 3751 transitions. Word has length 97 [2024-11-28 05:08:25,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:25,152 INFO L471 AbstractCegarLoop]: Abstraction has 2858 states and 3751 transitions. [2024-11-28 05:08:25,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.052631578947368) internal successors, (172), 20 states have internal predecessors, (172), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 3751 transitions. [2024-11-28 05:08:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 05:08:25,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:25,153 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:25,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-28 05:08:25,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:25,358 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:25,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1922583533, now seen corresponding path program 2 times [2024-11-28 05:08:25,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:25,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016071353] [2024-11-28 05:08:25,358 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:08:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:25,376 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:08:25,376 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:08:25,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072511415] [2024-11-28 05:08:25,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:08:25,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:25,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:25,381 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:25,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-28 05:08:25,443 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:08:25,444 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:08:25,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:08:25,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:25,885 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016071353] [2024-11-28 05:08:26,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072511415] [2024-11-28 05:08:26,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072511415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:26,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:26,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-28 05:08:26,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111460059] [2024-11-28 05:08:26,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:26,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 05:08:26,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:26,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 05:08:26,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:08:26,460 INFO L87 Difference]: Start difference. First operand 2858 states and 3751 transitions. Second operand has 20 states, 19 states have (on average 9.263157894736842) internal successors, (176), 20 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:29,771 INFO L93 Difference]: Finished difference Result 3137 states and 4083 transitions. [2024-11-28 05:08:29,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-28 05:08:29,772 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.263157894736842) internal successors, (176), 20 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 99 [2024-11-28 05:08:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:29,776 INFO L225 Difference]: With dead ends: 3137 [2024-11-28 05:08:29,777 INFO L226 Difference]: Without dead ends: 3133 [2024-11-28 05:08:29,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=513, Invalid=2037, Unknown=0, NotChecked=0, Total=2550 [2024-11-28 05:08:29,779 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 496 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 2003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:29,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 1022 Invalid, 2003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 05:08:29,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2024-11-28 05:08:30,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 2867. [2024-11-28 05:08:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2760 states have (on average 1.3036231884057972) internal successors, (3598), 2790 states have internal predecessors, (3598), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 05:08:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3740 transitions. [2024-11-28 05:08:30,076 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3740 transitions. Word has length 99 [2024-11-28 05:08:30,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:30,076 INFO L471 AbstractCegarLoop]: Abstraction has 2867 states and 3740 transitions. [2024-11-28 05:08:30,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.263157894736842) internal successors, (176), 20 states have internal predecessors, (176), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3740 transitions. [2024-11-28 05:08:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 05:08:30,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:30,078 INFO L218 NwaCegarLoop]: trace histogram [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, 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 05:08:30,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-28 05:08:30,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:30,282 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:30,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:30,282 INFO L85 PathProgramCache]: Analyzing trace with hash 295488677, now seen corresponding path program 1 times [2024-11-28 05:08:30,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:30,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749151953] [2024-11-28 05:08:30,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:30,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:30,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:30,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749151953] [2024-11-28 05:08:30,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749151953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:30,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639118117] [2024-11-28 05:08:30,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:30,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:30,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:30,416 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:30,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-28 05:08:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:30,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:08:30,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:30,659 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:30,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:30,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639118117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:30,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:08:30,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 05:08:30,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196321221] [2024-11-28 05:08:30,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:30,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:08:30,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:30,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:08:30,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:08:30,932 INFO L87 Difference]: Start difference. First operand 2867 states and 3740 transitions. Second operand has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:08:32,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:32,232 INFO L93 Difference]: Finished difference Result 3283 states and 4228 transitions. [2024-11-28 05:08:32,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:08:32,232 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 101 [2024-11-28 05:08:32,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:32,236 INFO L225 Difference]: With dead ends: 3283 [2024-11-28 05:08:32,236 INFO L226 Difference]: Without dead ends: 3281 [2024-11-28 05:08:32,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:08:32,237 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 292 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:32,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 760 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:08:32,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2024-11-28 05:08:32,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2867. [2024-11-28 05:08:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2760 states have (on average 1.2894927536231884) internal successors, (3559), 2790 states have internal predecessors, (3559), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 05:08:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3701 transitions. [2024-11-28 05:08:32,498 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3701 transitions. Word has length 101 [2024-11-28 05:08:32,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:32,498 INFO L471 AbstractCegarLoop]: Abstraction has 2867 states and 3701 transitions. [2024-11-28 05:08:32,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:08:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3701 transitions. [2024-11-28 05:08:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 05:08:32,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:32,500 INFO L218 NwaCegarLoop]: trace histogram [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, 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 05:08:32,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:32,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-11-28 05:08:32,700 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:32,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:32,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1309874095, now seen corresponding path program 1 times [2024-11-28 05:08:32,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:32,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133920253] [2024-11-28 05:08:32,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:32,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:32,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441167002] [2024-11-28 05:08:32,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:32,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:32,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:32,725 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:32,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-28 05:08:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:32,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:08:32,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:33,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:34,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:34,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133920253] [2024-11-28 05:08:34,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:34,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441167002] [2024-11-28 05:08:34,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441167002] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:34,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:34,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-11-28 05:08:34,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578646578] [2024-11-28 05:08:34,382 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:34,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 05:08:34,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:34,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 05:08:34,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:08:34,383 INFO L87 Difference]: Start difference. First operand 2867 states and 3701 transitions. Second operand has 17 states, 16 states have (on average 11.375) internal successors, (182), 17 states have internal predecessors, (182), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:38,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:38,140 INFO L93 Difference]: Finished difference Result 3134 states and 4008 transitions. [2024-11-28 05:08:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-28 05:08:38,140 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 11.375) internal successors, (182), 17 states have internal predecessors, (182), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 102 [2024-11-28 05:08:38,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:38,144 INFO L225 Difference]: With dead ends: 3134 [2024-11-28 05:08:38,144 INFO L226 Difference]: Without dead ends: 3130 [2024-11-28 05:08:38,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=425, Invalid=2025, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 05:08:38,146 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 672 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:38,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 1087 Invalid, 2355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 05:08:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2024-11-28 05:08:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 2867. [2024-11-28 05:08:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2760 states have (on average 1.2829710144927535) internal successors, (3541), 2790 states have internal predecessors, (3541), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 05:08:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3683 transitions. [2024-11-28 05:08:38,349 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3683 transitions. Word has length 102 [2024-11-28 05:08:38,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:38,350 INFO L471 AbstractCegarLoop]: Abstraction has 2867 states and 3683 transitions. [2024-11-28 05:08:38,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 11.375) internal successors, (182), 17 states have internal predecessors, (182), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3683 transitions. [2024-11-28 05:08:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 05:08:38,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:38,351 INFO L218 NwaCegarLoop]: trace histogram [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, 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 05:08:38,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:38,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:38,552 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:38,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:38,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1779694829, now seen corresponding path program 1 times [2024-11-28 05:08:38,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:38,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25541400] [2024-11-28 05:08:38,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:38,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:38,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501737626] [2024-11-28 05:08:38,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:38,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:38,580 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:38,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-28 05:08:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:38,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 05:08:38,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:39,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 05:08:40,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:40,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25541400] [2024-11-28 05:08:40,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:40,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501737626] [2024-11-28 05:08:40,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501737626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:40,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:40,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2024-11-28 05:08:40,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456967619] [2024-11-28 05:08:40,201 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:40,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:08:40,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:40,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:08:40,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:08:40,203 INFO L87 Difference]: Start difference. First operand 2867 states and 3683 transitions. Second operand has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:08:44,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:44,124 INFO L93 Difference]: Finished difference Result 2915 states and 3742 transitions. [2024-11-28 05:08:44,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 05:08:44,124 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 104 [2024-11-28 05:08:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:44,127 INFO L225 Difference]: With dead ends: 2915 [2024-11-28 05:08:44,127 INFO L226 Difference]: Without dead ends: 2914 [2024-11-28 05:08:44,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:08:44,128 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 326 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:44,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 287 Invalid, 1814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-28 05:08:44,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2024-11-28 05:08:44,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2866. [2024-11-28 05:08:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2866 states, 2760 states have (on average 1.261231884057971) internal successors, (3481), 2789 states have internal predecessors, (3481), 71 states have call successors, (71), 5 states have call predecessors, (71), 5 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 05:08:44,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2866 states and 3623 transitions. [2024-11-28 05:08:44,325 INFO L78 Accepts]: Start accepts. Automaton has 2866 states and 3623 transitions. Word has length 104 [2024-11-28 05:08:44,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:44,325 INFO L471 AbstractCegarLoop]: Abstraction has 2866 states and 3623 transitions. [2024-11-28 05:08:44,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.117647058823529) internal successors, (155), 18 states have internal predecessors, (155), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:08:44,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2866 states and 3623 transitions. [2024-11-28 05:08:44,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 05:08:44,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:44,326 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:44,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:44,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-11-28 05:08:44,526 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:44,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:44,527 INFO L85 PathProgramCache]: Analyzing trace with hash -424536893, now seen corresponding path program 1 times [2024-11-28 05:08:44,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:44,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927647267] [2024-11-28 05:08:44,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:44,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:08:44,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826367071] [2024-11-28 05:08:44,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:44,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:44,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:44,553 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:44,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-28 05:08:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:44,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 05:08:44,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:45,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:08:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:08:47,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:47,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927647267] [2024-11-28 05:08:47,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:08:47,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826367071] [2024-11-28 05:08:47,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826367071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:08:47,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:08:47,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2024-11-28 05:08:47,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217616764] [2024-11-28 05:08:47,139 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:08:47,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 05:08:47,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:47,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 05:08:47,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=687, Unknown=1, NotChecked=0, Total=812 [2024-11-28 05:08:47,140 INFO L87 Difference]: Start difference. First operand 2866 states and 3623 transitions. Second operand has 29 states, 28 states have (on average 6.928571428571429) internal successors, (194), 29 states have internal predecessors, (194), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:56,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:56,620 INFO L93 Difference]: Finished difference Result 3088 states and 3897 transitions. [2024-11-28 05:08:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-28 05:08:56,620 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.928571428571429) internal successors, (194), 29 states have internal predecessors, (194), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 106 [2024-11-28 05:08:56,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:56,623 INFO L225 Difference]: With dead ends: 3088 [2024-11-28 05:08:56,623 INFO L226 Difference]: Without dead ends: 3085 [2024-11-28 05:08:56,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1734 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=987, Invalid=5654, Unknown=1, NotChecked=0, Total=6642 [2024-11-28 05:08:56,625 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 736 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 3101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:56,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 810 Invalid, 3101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-28 05:08:56,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2024-11-28 05:08:56,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2925. [2024-11-28 05:08:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2818 states have (on average 1.2601135557132719) internal successors, (3551), 2847 states have internal predecessors, (3551), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-28 05:08:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 3695 transitions. [2024-11-28 05:08:56,832 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 3695 transitions. Word has length 106 [2024-11-28 05:08:56,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:56,832 INFO L471 AbstractCegarLoop]: Abstraction has 2925 states and 3695 transitions. [2024-11-28 05:08:56,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.928571428571429) internal successors, (194), 29 states have internal predecessors, (194), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:08:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3695 transitions. [2024-11-28 05:08:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 05:08:56,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:56,833 INFO L218 NwaCegarLoop]: trace histogram [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, 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] [2024-11-28 05:08:56,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:57,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-28 05:08:57,034 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:08:57,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1470772460, now seen corresponding path program 1 times [2024-11-28 05:08:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:57,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600964] [2024-11-28 05:08:57,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:08:57,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:57,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600964] [2024-11-28 05:08:57,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:57,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523903240] [2024-11-28 05:08:57,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:57,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:57,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:57,529 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:57,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-28 05:08:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:57,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:08:57,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:08:59,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:00,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523903240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:00,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:09:00,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-28 05:09:00,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591747956] [2024-11-28 05:09:00,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:00,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 05:09:00,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:00,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 05:09:00,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:09:00,022 INFO L87 Difference]: Start difference. First operand 2925 states and 3695 transitions. Second operand has 26 states, 26 states have (on average 10.961538461538462) internal successors, (285), 26 states have internal predecessors, (285), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 05:09:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:03,157 INFO L93 Difference]: Finished difference Result 2983 states and 3756 transitions. [2024-11-28 05:09:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 05:09:03,157 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 10.961538461538462) internal successors, (285), 26 states have internal predecessors, (285), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 117 [2024-11-28 05:09:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:03,160 INFO L225 Difference]: With dead ends: 2983 [2024-11-28 05:09:03,160 INFO L226 Difference]: Without dead ends: 2910 [2024-11-28 05:09:03,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=314, Invalid=1942, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 05:09:03,161 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 138 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 2072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:03,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1427 Invalid, 2072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2059 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 05:09:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2024-11-28 05:09:03,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2907. [2024-11-28 05:09:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2800 states have (on average 1.2592857142857143) internal successors, (3526), 2829 states have internal predecessors, (3526), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-28 05:09:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 3670 transitions. [2024-11-28 05:09:03,361 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 3670 transitions. Word has length 117 [2024-11-28 05:09:03,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:03,362 INFO L471 AbstractCegarLoop]: Abstraction has 2907 states and 3670 transitions. [2024-11-28 05:09:03,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 10.961538461538462) internal successors, (285), 26 states have internal predecessors, (285), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 05:09:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3670 transitions. [2024-11-28 05:09:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 05:09:03,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:03,363 INFO L218 NwaCegarLoop]: trace histogram [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, 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] [2024-11-28 05:09:03,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-11-28 05:09:03,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-28 05:09:03,564 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:03,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:03,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1309914838, now seen corresponding path program 1 times [2024-11-28 05:09:03,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:03,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348349243] [2024-11-28 05:09:03,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:03,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:03,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348349243] [2024-11-28 05:09:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348349243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:03,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267718725] [2024-11-28 05:09:03,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:03,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:03,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:03,786 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:03,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-28 05:09:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:03,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 05:09:03,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:04,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:04,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267718725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:04,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:09:04,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-11-28 05:09:04,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367599289] [2024-11-28 05:09:04,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:04,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 05:09:04,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:04,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 05:09:04,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:09:04,918 INFO L87 Difference]: Start difference. First operand 2907 states and 3670 transitions. Second operand has 23 states, 23 states have (on average 10.956521739130435) internal successors, (252), 23 states have internal predecessors, (252), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:09:05,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:05,951 INFO L93 Difference]: Finished difference Result 2955 states and 3719 transitions. [2024-11-28 05:09:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:09:05,952 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.956521739130435) internal successors, (252), 23 states have internal predecessors, (252), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 118 [2024-11-28 05:09:05,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:05,955 INFO L225 Difference]: With dead ends: 2955 [2024-11-28 05:09:05,955 INFO L226 Difference]: Without dead ends: 2887 [2024-11-28 05:09:05,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 221 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=187, Invalid=935, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 05:09:05,956 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 125 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:05,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 807 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:09:05,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2024-11-28 05:09:06,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2887. [2024-11-28 05:09:06,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2780 states have (on average 1.258273381294964) internal successors, (3498), 2809 states have internal predecessors, (3498), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-28 05:09:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3642 transitions. [2024-11-28 05:09:06,135 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3642 transitions. Word has length 118 [2024-11-28 05:09:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:06,135 INFO L471 AbstractCegarLoop]: Abstraction has 2887 states and 3642 transitions. [2024-11-28 05:09:06,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.956521739130435) internal successors, (252), 23 states have internal predecessors, (252), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:09:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3642 transitions. [2024-11-28 05:09:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:09:06,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:06,136 INFO L218 NwaCegarLoop]: trace histogram [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, 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] [2024-11-28 05:09:06,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-28 05:09:06,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2024-11-28 05:09:06,336 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:06,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:06,337 INFO L85 PathProgramCache]: Analyzing trace with hash -446933446, now seen corresponding path program 1 times [2024-11-28 05:09:06,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:06,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860541199] [2024-11-28 05:09:06,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:06,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:06,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1663078237] [2024-11-28 05:09:06,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:06,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:06,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:06,356 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:06,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-28 05:09:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:06,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 05:09:06,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:06,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:08,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:08,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860541199] [2024-11-28 05:09:08,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:08,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663078237] [2024-11-28 05:09:08,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663078237] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:08,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:09:08,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 05:09:08,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188453863] [2024-11-28 05:09:08,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:08,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:09:08,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:08,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:09:08,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:09:08,068 INFO L87 Difference]: Start difference. First operand 2887 states and 3642 transitions. Second operand has 22 states, 21 states have (on average 10.0) internal successors, (210), 22 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:11,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:11,024 INFO L93 Difference]: Finished difference Result 2927 states and 3677 transitions. [2024-11-28 05:09:11,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 05:09:11,024 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.0) internal successors, (210), 22 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 121 [2024-11-28 05:09:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:11,027 INFO L225 Difference]: With dead ends: 2927 [2024-11-28 05:09:11,028 INFO L226 Difference]: Without dead ends: 2926 [2024-11-28 05:09:11,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=260, Invalid=1462, Unknown=0, NotChecked=0, Total=1722 [2024-11-28 05:09:11,029 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 286 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:11,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1264 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:09:11,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2024-11-28 05:09:11,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2895. [2024-11-28 05:09:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 2788 states have (on average 1.257532281205165) internal successors, (3506), 2817 states have internal predecessors, (3506), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-28 05:09:11,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3650 transitions. [2024-11-28 05:09:11,248 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3650 transitions. Word has length 121 [2024-11-28 05:09:11,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:11,248 INFO L471 AbstractCegarLoop]: Abstraction has 2895 states and 3650 transitions. [2024-11-28 05:09:11,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.0) internal successors, (210), 22 states have internal predecessors, (210), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:11,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3650 transitions. [2024-11-28 05:09:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 05:09:11,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:11,249 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:11,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-11-28 05:09:11,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:11,449 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:11,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:11,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1295775925, now seen corresponding path program 2 times [2024-11-28 05:09:11,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:11,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125769690] [2024-11-28 05:09:11,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:11,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:11,467 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:11,468 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:11,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181014055] [2024-11-28 05:09:11,469 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:11,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:11,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:11,471 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:11,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-28 05:09:11,553 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:11,554 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:11,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:09:11,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:12,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:12,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:12,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125769690] [2024-11-28 05:09:12,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:12,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181014055] [2024-11-28 05:09:12,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181014055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:12,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:09:12,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-28 05:09:12,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101761697] [2024-11-28 05:09:12,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:12,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 05:09:12,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:12,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 05:09:12,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:09:12,673 INFO L87 Difference]: Start difference. First operand 2895 states and 3650 transitions. Second operand has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:16,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:16,681 INFO L93 Difference]: Finished difference Result 4812 states and 6154 transitions. [2024-11-28 05:09:16,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 05:09:16,682 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 123 [2024-11-28 05:09:16,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:16,686 INFO L225 Difference]: With dead ends: 4812 [2024-11-28 05:09:16,686 INFO L226 Difference]: Without dead ends: 4810 [2024-11-28 05:09:16,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=354, Invalid=1286, Unknown=0, NotChecked=0, Total=1640 [2024-11-28 05:09:16,687 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 1563 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:16,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 719 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 05:09:16,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2024-11-28 05:09:17,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4357. [2024-11-28 05:09:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4357 states, 4208 states have (on average 1.2685361216730038) internal successors, (5338), 4237 states have internal predecessors, (5338), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-28 05:09:17,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 4357 states and 5566 transitions. [2024-11-28 05:09:17,071 INFO L78 Accepts]: Start accepts. Automaton has 4357 states and 5566 transitions. Word has length 123 [2024-11-28 05:09:17,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:17,071 INFO L471 AbstractCegarLoop]: Abstraction has 4357 states and 5566 transitions. [2024-11-28 05:09:17,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 11.473684210526315) internal successors, (218), 20 states have internal predecessors, (218), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 5566 transitions. [2024-11-28 05:09:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:09:17,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:17,072 INFO L218 NwaCegarLoop]: trace histogram [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, 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] [2024-11-28 05:09:17,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2024-11-28 05:09:17,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:17,273 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:17,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:17,273 INFO L85 PathProgramCache]: Analyzing trace with hash -314761022, now seen corresponding path program 1 times [2024-11-28 05:09:17,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:17,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613287433] [2024-11-28 05:09:17,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:17,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752469380] [2024-11-28 05:09:17,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:17,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:17,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:17,295 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:17,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-28 05:09:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:17,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 05:09:17,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:17,833 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-28 05:09:17,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:17,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:17,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613287433] [2024-11-28 05:09:17,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:17,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752469380] [2024-11-28 05:09:17,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752469380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:17,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:17,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:09:17,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014219628] [2024-11-28 05:09:17,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:17,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:09:17,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:17,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:09:17,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:09:17,835 INFO L87 Difference]: Start difference. First operand 4357 states and 5566 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:09:18,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:18,819 INFO L93 Difference]: Finished difference Result 4407 states and 5612 transitions. [2024-11-28 05:09:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:09:18,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 124 [2024-11-28 05:09:18,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:18,823 INFO L225 Difference]: With dead ends: 4407 [2024-11-28 05:09:18,823 INFO L226 Difference]: Without dead ends: 4404 [2024-11-28 05:09:18,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:09:18,824 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 187 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:18,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 194 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:09:18,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2024-11-28 05:09:19,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 4376. [2024-11-28 05:09:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4376 states, 4227 states have (on average 1.2682753726046843) internal successors, (5361), 4256 states have internal predecessors, (5361), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-28 05:09:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 4376 states and 5589 transitions. [2024-11-28 05:09:19,262 INFO L78 Accepts]: Start accepts. Automaton has 4376 states and 5589 transitions. Word has length 124 [2024-11-28 05:09:19,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:19,262 INFO L471 AbstractCegarLoop]: Abstraction has 4376 states and 5589 transitions. [2024-11-28 05:09:19,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:09:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 4376 states and 5589 transitions. [2024-11-28 05:09:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 05:09:19,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:19,263 INFO L218 NwaCegarLoop]: trace histogram [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, 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] [2024-11-28 05:09:19,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:19,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:19,463 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:19,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:19,464 INFO L85 PathProgramCache]: Analyzing trace with hash -195523170, now seen corresponding path program 1 times [2024-11-28 05:09:19,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:19,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491986687] [2024-11-28 05:09:19,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:19,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:09:19,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299766363] [2024-11-28 05:09:19,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:19,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:19,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:19,483 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:19,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-28 05:09:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:19,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 05:09:19,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:20,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:22,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:22,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491986687] [2024-11-28 05:09:22,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:22,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299766363] [2024-11-28 05:09:22,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299766363] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:22,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:09:22,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2024-11-28 05:09:22,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017558792] [2024-11-28 05:09:22,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:22,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 05:09:22,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:22,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 05:09:22,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2024-11-28 05:09:22,079 INFO L87 Difference]: Start difference. First operand 4376 states and 5589 transitions. Second operand has 29 states, 28 states have (on average 7.714285714285714) internal successors, (216), 29 states have internal predecessors, (216), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:31,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:31,453 INFO L93 Difference]: Finished difference Result 4411 states and 5620 transitions. [2024-11-28 05:09:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-28 05:09:31,453 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 7.714285714285714) internal successors, (216), 29 states have internal predecessors, (216), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 124 [2024-11-28 05:09:31,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:31,458 INFO L225 Difference]: With dead ends: 4411 [2024-11-28 05:09:31,459 INFO L226 Difference]: Without dead ends: 4410 [2024-11-28 05:09:31,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=508, Invalid=3152, Unknown=0, NotChecked=0, Total=3660 [2024-11-28 05:09:31,461 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 381 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 2497 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 2512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:31,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 1054 Invalid, 2512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2497 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2024-11-28 05:09:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2024-11-28 05:09:31,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 4372. [2024-11-28 05:09:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 4223 states have (on average 1.2687662798958086) internal successors, (5358), 4252 states have internal predecessors, (5358), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-28 05:09:31,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 5586 transitions. [2024-11-28 05:09:31,786 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 5586 transitions. Word has length 124 [2024-11-28 05:09:31,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:31,786 INFO L471 AbstractCegarLoop]: Abstraction has 4372 states and 5586 transitions. [2024-11-28 05:09:31,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 7.714285714285714) internal successors, (216), 29 states have internal predecessors, (216), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 5586 transitions. [2024-11-28 05:09:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 05:09:31,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:31,788 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 1] [2024-11-28 05:09:31,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:31,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:31,988 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:31,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:31,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1131828372, now seen corresponding path program 1 times [2024-11-28 05:09:31,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:31,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199489309] [2024-11-28 05:09:31,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:31,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-28 05:09:32,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:32,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199489309] [2024-11-28 05:09:32,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199489309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:32,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:09:32,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:09:32,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579722427] [2024-11-28 05:09:32,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:32,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:09:32,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:32,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:09:32,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:09:32,139 INFO L87 Difference]: Start difference. First operand 4372 states and 5586 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:09:33,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:33,002 INFO L93 Difference]: Finished difference Result 4411 states and 5616 transitions. [2024-11-28 05:09:33,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:09:33,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 127 [2024-11-28 05:09:33,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:33,007 INFO L225 Difference]: With dead ends: 4411 [2024-11-28 05:09:33,007 INFO L226 Difference]: Without dead ends: 4389 [2024-11-28 05:09:33,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:09:33,009 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 60 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:33,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 326 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:09:33,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4389 states. [2024-11-28 05:09:33,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4389 to 4378. [2024-11-28 05:09:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 4229 states have (on average 1.2681484984629936) internal successors, (5363), 4258 states have internal predecessors, (5363), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-28 05:09:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 5591 transitions. [2024-11-28 05:09:33,489 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 5591 transitions. Word has length 127 [2024-11-28 05:09:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:33,490 INFO L471 AbstractCegarLoop]: Abstraction has 4378 states and 5591 transitions. [2024-11-28 05:09:33,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:09:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 5591 transitions. [2024-11-28 05:09:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 05:09:33,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:33,491 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:33,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-28 05:09:33,492 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:33,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash -816503855, now seen corresponding path program 2 times [2024-11-28 05:09:33,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:33,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65978778] [2024-11-28 05:09:33,492 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:33,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:33,518 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:33,518 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:33,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179682457] [2024-11-28 05:09:33,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:33,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:33,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:33,522 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:33,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 05:09:33,602 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:33,602 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:33,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:09:33,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:34,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:35,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:35,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65978778] [2024-11-28 05:09:35,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:35,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179682457] [2024-11-28 05:09:35,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179682457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:35,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:09:35,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-28 05:09:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126916186] [2024-11-28 05:09:35,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:35,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:09:35,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:35,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:09:35,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:09:35,377 INFO L87 Difference]: Start difference. First operand 4378 states and 5591 transitions. Second operand has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:41,891 INFO L93 Difference]: Finished difference Result 4461 states and 5677 transitions. [2024-11-28 05:09:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 05:09:41,892 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 129 [2024-11-28 05:09:41,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:41,897 INFO L225 Difference]: With dead ends: 4461 [2024-11-28 05:09:41,898 INFO L226 Difference]: Without dead ends: 4443 [2024-11-28 05:09:41,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2024-11-28 05:09:41,900 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 1129 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 2087 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:41,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 619 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2087 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 05:09:41,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2024-11-28 05:09:42,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4378. [2024-11-28 05:09:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 4229 states have (on average 1.2669661858595413) internal successors, (5358), 4258 states have internal predecessors, (5358), 114 states have call successors, (114), 5 states have call predecessors, (114), 5 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-28 05:09:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 5586 transitions. [2024-11-28 05:09:42,216 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 5586 transitions. Word has length 129 [2024-11-28 05:09:42,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:42,216 INFO L471 AbstractCegarLoop]: Abstraction has 4378 states and 5586 transitions. [2024-11-28 05:09:42,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.952380952380953) internal successors, (230), 22 states have internal predecessors, (230), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 5586 transitions. [2024-11-28 05:09:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 05:09:42,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:42,217 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:42,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-11-28 05:09:42,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:42,417 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:42,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:42,418 INFO L85 PathProgramCache]: Analyzing trace with hash 214278175, now seen corresponding path program 2 times [2024-11-28 05:09:42,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:42,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085267524] [2024-11-28 05:09:42,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:42,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:42,429 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:42,429 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:42,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:42,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085267524] [2024-11-28 05:09:42,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085267524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:42,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35374867] [2024-11-28 05:09:42,531 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:42,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:42,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:42,534 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:42,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 05:09:42,608 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:42,608 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:42,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:09:42,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:42,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:43,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35374867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:43,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:09:43,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-28 05:09:43,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428056991] [2024-11-28 05:09:43,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:43,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:09:43,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:43,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:09:43,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:09:43,144 INFO L87 Difference]: Start difference. First operand 4378 states and 5586 transitions. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:09:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:43,649 INFO L93 Difference]: Finished difference Result 4867 states and 6223 transitions. [2024-11-28 05:09:43,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:09:43,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 133 [2024-11-28 05:09:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:43,654 INFO L225 Difference]: With dead ends: 4867 [2024-11-28 05:09:43,654 INFO L226 Difference]: Without dead ends: 3843 [2024-11-28 05:09:43,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 262 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:43,656 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 56 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:43,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 434 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:09:43,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2024-11-28 05:09:43,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3841. [2024-11-28 05:09:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3841 states, 3707 states have (on average 1.269220393849474) internal successors, (4705), 3736 states have internal predecessors, (4705), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-28 05:09:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 3841 states and 4903 transitions. [2024-11-28 05:09:43,934 INFO L78 Accepts]: Start accepts. Automaton has 3841 states and 4903 transitions. Word has length 133 [2024-11-28 05:09:43,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:43,934 INFO L471 AbstractCegarLoop]: Abstraction has 3841 states and 4903 transitions. [2024-11-28 05:09:43,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:09:43,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 4903 transitions. [2024-11-28 05:09:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 05:09:43,935 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:43,935 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:43,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-11-28 05:09:44,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:44,136 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:44,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:44,136 INFO L85 PathProgramCache]: Analyzing trace with hash -450867477, now seen corresponding path program 2 times [2024-11-28 05:09:44,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:44,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585358021] [2024-11-28 05:09:44,136 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:44,152 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:44,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:44,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294163593] [2024-11-28 05:09:44,153 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:44,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:44,159 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:44,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-28 05:09:44,230 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:44,230 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:44,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:09:44,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:44,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:45,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:45,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585358021] [2024-11-28 05:09:45,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:45,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294163593] [2024-11-28 05:09:45,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294163593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:45,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:09:45,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-28 05:09:45,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045574231] [2024-11-28 05:09:45,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:45,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:09:45,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:45,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:09:45,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:09:45,627 INFO L87 Difference]: Start difference. First operand 3841 states and 4903 transitions. Second operand has 18 states, 17 states have (on average 14.117647058823529) internal successors, (240), 18 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:48,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:48,250 INFO L93 Difference]: Finished difference Result 5604 states and 7303 transitions. [2024-11-28 05:09:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:09:48,251 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 14.117647058823529) internal successors, (240), 18 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 134 [2024-11-28 05:09:48,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:48,257 INFO L225 Difference]: With dead ends: 5604 [2024-11-28 05:09:48,257 INFO L226 Difference]: Without dead ends: 5602 [2024-11-28 05:09:48,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:09:48,259 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 1085 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:48,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 1544 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:09:48,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5602 states. [2024-11-28 05:09:48,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5602 to 5026. [2024-11-28 05:09:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5026 states, 4861 states have (on average 1.279572104505246) internal successors, (6220), 4890 states have internal predecessors, (6220), 130 states have call successors, (130), 5 states have call predecessors, (130), 5 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-28 05:09:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5026 states to 5026 states and 6480 transitions. [2024-11-28 05:09:48,645 INFO L78 Accepts]: Start accepts. Automaton has 5026 states and 6480 transitions. Word has length 134 [2024-11-28 05:09:48,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:48,645 INFO L471 AbstractCegarLoop]: Abstraction has 5026 states and 6480 transitions. [2024-11-28 05:09:48,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 14.117647058823529) internal successors, (240), 18 states have internal predecessors, (240), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:09:48,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5026 states and 6480 transitions. [2024-11-28 05:09:48,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 05:09:48,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:48,646 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 1] [2024-11-28 05:09:48,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-28 05:09:48,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-11-28 05:09:48,847 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:48,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:48,847 INFO L85 PathProgramCache]: Analyzing trace with hash -324557816, now seen corresponding path program 1 times [2024-11-28 05:09:48,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:48,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960148449] [2024-11-28 05:09:48,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:48,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:49,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:49,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960148449] [2024-11-28 05:09:49,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960148449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:09:49,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399646768] [2024-11-28 05:09:49,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:09:49,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:49,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:49,032 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:49,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-28 05:09:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:09:49,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:09:49,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:09:49,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:09:49,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399646768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:09:49,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:09:49,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2024-11-28 05:09:49,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836947729] [2024-11-28 05:09:49,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:09:49,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 05:09:49,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:49,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 05:09:49,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:49,327 INFO L87 Difference]: Start difference. First operand 5026 states and 6480 transitions. Second operand has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 8 states have internal predecessors, (123), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:49,877 INFO L93 Difference]: Finished difference Result 5152 states and 6630 transitions. [2024-11-28 05:09:49,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:09:49,878 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 8 states have internal predecessors, (123), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 135 [2024-11-28 05:09:49,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:49,884 INFO L225 Difference]: With dead ends: 5152 [2024-11-28 05:09:49,884 INFO L226 Difference]: Without dead ends: 5130 [2024-11-28 05:09:49,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:09:49,886 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 138 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:49,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 641 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:09:49,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2024-11-28 05:09:50,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5074. [2024-11-28 05:09:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5074 states, 4909 states have (on average 1.2825422693012833) internal successors, (6296), 4938 states have internal predecessors, (6296), 130 states have call successors, (130), 5 states have call predecessors, (130), 5 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2024-11-28 05:09:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 5074 states and 6556 transitions. [2024-11-28 05:09:50,210 INFO L78 Accepts]: Start accepts. Automaton has 5074 states and 6556 transitions. Word has length 135 [2024-11-28 05:09:50,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:50,211 INFO L471 AbstractCegarLoop]: Abstraction has 5074 states and 6556 transitions. [2024-11-28 05:09:50,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.571428571428573) internal successors, (123), 8 states have internal predecessors, (123), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 05:09:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5074 states and 6556 transitions. [2024-11-28 05:09:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 05:09:50,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:09:50,212 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:50,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-11-28 05:09:50,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-28 05:09:50,412 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:09:50,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:09:50,413 INFO L85 PathProgramCache]: Analyzing trace with hash -495004993, now seen corresponding path program 2 times [2024-11-28 05:09:50,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:09:50,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185337894] [2024-11-28 05:09:50,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:09:50,430 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:50,430 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:09:50,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389740666] [2024-11-28 05:09:50,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:09:50,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:09:50,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:09:50,438 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:09:50,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-28 05:09:50,507 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:09:50,507 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:09:50,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-28 05:09:50,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:09:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:09:52,087 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:09:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 42 proven. 98 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:09:55,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:09:55,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185337894] [2024-11-28 05:09:55,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:09:55,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389740666] [2024-11-28 05:09:55,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389740666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:09:55,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:09:55,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 43 [2024-11-28 05:09:55,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427014586] [2024-11-28 05:09:55,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:09:55,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-28 05:09:55,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:09:55,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-28 05:09:55,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1560, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 05:09:55,783 INFO L87 Difference]: Start difference. First operand 5074 states and 6556 transitions. Second operand has 44 states, 43 states have (on average 5.6976744186046515) internal successors, (245), 44 states have internal predecessors, (245), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:10:11,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:11,063 INFO L93 Difference]: Finished difference Result 7034 states and 9158 transitions. [2024-11-28 05:10:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-28 05:10:11,063 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 5.6976744186046515) internal successors, (245), 44 states have internal predecessors, (245), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 136 [2024-11-28 05:10:11,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:11,069 INFO L225 Difference]: With dead ends: 7034 [2024-11-28 05:10:11,069 INFO L226 Difference]: Without dead ends: 7032 [2024-11-28 05:10:11,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3043 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=2080, Invalid=9692, Unknown=0, NotChecked=0, Total=11772 [2024-11-28 05:10:11,072 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 1310 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 5462 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 5540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 5462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:11,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 1855 Invalid, 5540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 5462 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-11-28 05:10:11,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7032 states. [2024-11-28 05:10:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7032 to 6321. [2024-11-28 05:10:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6321 states, 6121 states have (on average 1.2749550727005392) internal successors, (7804), 6150 states have internal predecessors, (7804), 165 states have call successors, (165), 5 states have call predecessors, (165), 5 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-28 05:10:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 6321 states and 8134 transitions. [2024-11-28 05:10:11,534 INFO L78 Accepts]: Start accepts. Automaton has 6321 states and 8134 transitions. Word has length 136 [2024-11-28 05:10:11,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:11,535 INFO L471 AbstractCegarLoop]: Abstraction has 6321 states and 8134 transitions. [2024-11-28 05:10:11,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 5.6976744186046515) internal successors, (245), 44 states have internal predecessors, (245), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:10:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 8134 transitions. [2024-11-28 05:10:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 05:10:11,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:11,536 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:11,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-11-28 05:10:11,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:11,737 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:10:11,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:11,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1876387181, now seen corresponding path program 3 times [2024-11-28 05:10:11,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:11,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895439758] [2024-11-28 05:10:11,737 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:11,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:11,760 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 05:10:11,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:10:11,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653546959] [2024-11-28 05:10:11,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:11,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:11,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:11,766 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:11,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-28 05:10:11,827 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 05:10:11,828 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:11,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:10:11,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 80 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 05:10:13,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 80 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 05:10:17,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:17,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895439758] [2024-11-28 05:10:17,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:10:17,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653546959] [2024-11-28 05:10:17,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653546959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:10:17,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:10:17,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-28 05:10:17,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538275911] [2024-11-28 05:10:17,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:17,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:10:17,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:17,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:10:17,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=124, Unknown=1, NotChecked=0, Total=156 [2024-11-28 05:10:17,841 INFO L87 Difference]: Start difference. First operand 6321 states and 8134 transitions. Second operand has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 13 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:10:21,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:23,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:25,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:27,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:32,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:38,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:42,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:46,632 WARN L539 Checker$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 05:10:51,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:53,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:10:57,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:02,887 WARN L539 Checker$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 05:11:07,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 05:11:11,417 WARN L539 Checker$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 05:11:16,279 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 05:11:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:17,573 INFO L93 Difference]: Finished difference Result 6773 states and 8734 transitions. [2024-11-28 05:11:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 05:11:17,574 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 13 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 137 [2024-11-28 05:11:17,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:17,580 INFO L225 Difference]: With dead ends: 6773 [2024-11-28 05:11:17,580 INFO L226 Difference]: Without dead ends: 6772 [2024-11-28 05:11:17,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 265 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=192, Invalid=563, Unknown=1, NotChecked=0, Total=756 [2024-11-28 05:11:17,581 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 320 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 15 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:17,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 260 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 734 Invalid, 13 Unknown, 0 Unchecked, 58.4s Time] [2024-11-28 05:11:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6772 states. [2024-11-28 05:11:18,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6772 to 6321. [2024-11-28 05:11:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6321 states, 6121 states have (on average 1.2602515928769809) internal successors, (7714), 6150 states have internal predecessors, (7714), 165 states have call successors, (165), 5 states have call predecessors, (165), 5 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-28 05:11:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6321 states to 6321 states and 8044 transitions. [2024-11-28 05:11:18,128 INFO L78 Accepts]: Start accepts. Automaton has 6321 states and 8044 transitions. Word has length 137 [2024-11-28 05:11:18,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:18,128 INFO L471 AbstractCegarLoop]: Abstraction has 6321 states and 8044 transitions. [2024-11-28 05:11:18,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 13 states have internal predecessors, (109), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 05:11:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 6321 states and 8044 transitions. [2024-11-28 05:11:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 05:11:18,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:18,129 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:18,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-11-28 05:11:18,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:18,330 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:11:18,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:18,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1430209097, now seen corresponding path program 2 times [2024-11-28 05:11:18,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:18,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635973293] [2024-11-28 05:11:18,330 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:18,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:18,347 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:18,348 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:18,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801474392] [2024-11-28 05:11:18,348 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:18,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:18,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:18,352 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:18,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-28 05:11:18,430 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:18,430 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:18,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 05:11:18,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:11:19,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:11:19,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:19,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635973293] [2024-11-28 05:11:19,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:19,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801474392] [2024-11-28 05:11:19,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801474392] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:11:19,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:11:19,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2024-11-28 05:11:19,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736502791] [2024-11-28 05:11:19,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:19,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 05:11:19,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:19,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 05:11:19,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:11:19,545 INFO L87 Difference]: Start difference. First operand 6321 states and 8044 transitions. Second operand has 21 states, 20 states have (on average 12.3) internal successors, (246), 21 states have internal predecessors, (246), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:11:24,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:24,588 INFO L93 Difference]: Finished difference Result 7564 states and 9673 transitions. [2024-11-28 05:11:24,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 05:11:24,589 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 12.3) internal successors, (246), 21 states have internal predecessors, (246), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 137 [2024-11-28 05:11:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:24,599 INFO L225 Difference]: With dead ends: 7564 [2024-11-28 05:11:24,599 INFO L226 Difference]: Without dead ends: 7563 [2024-11-28 05:11:24,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=398, Invalid=1494, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 05:11:24,602 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 2338 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:24,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 1412 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-28 05:11:24,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7563 states. [2024-11-28 05:11:25,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7563 to 6668. [2024-11-28 05:11:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 6455 states have (on average 1.2557707203718047) internal successors, (8106), 6484 states have internal predecessors, (8106), 178 states have call successors, (178), 5 states have call predecessors, (178), 5 states have return successors, (178), 178 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-28 05:11:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 8462 transitions. [2024-11-28 05:11:25,188 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 8462 transitions. Word has length 137 [2024-11-28 05:11:25,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:25,188 INFO L471 AbstractCegarLoop]: Abstraction has 6668 states and 8462 transitions. [2024-11-28 05:11:25,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 12.3) internal successors, (246), 21 states have internal predecessors, (246), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:11:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 8462 transitions. [2024-11-28 05:11:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 05:11:25,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:25,190 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:25,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2024-11-28 05:11:25,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:25,391 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:11:25,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:25,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1386808977, now seen corresponding path program 2 times [2024-11-28 05:11:25,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:25,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275031772] [2024-11-28 05:11:25,391 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:25,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:25,409 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:25,409 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:25,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794122015] [2024-11-28 05:11:25,410 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:25,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:25,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:25,413 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-28 05:11:25,499 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:25,500 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:25,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 05:11:25,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:11:26,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:11:27,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:27,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275031772] [2024-11-28 05:11:27,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:27,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794122015] [2024-11-28 05:11:27,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794122015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:11:27,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:11:27,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2024-11-28 05:11:27,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280734287] [2024-11-28 05:11:27,087 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:27,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 05:11:27,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:27,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 05:11:27,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:11:27,088 INFO L87 Difference]: Start difference. First operand 6668 states and 8462 transitions. Second operand has 21 states, 20 states have (on average 12.4) internal successors, (248), 21 states have internal predecessors, (248), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:11:31,398 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 05:11:32,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:11:32,545 INFO L93 Difference]: Finished difference Result 7560 states and 9606 transitions. [2024-11-28 05:11:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 05:11:32,546 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 12.4) internal successors, (248), 21 states have internal predecessors, (248), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 138 [2024-11-28 05:11:32,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:11:32,553 INFO L225 Difference]: With dead ends: 7560 [2024-11-28 05:11:32,553 INFO L226 Difference]: Without dead ends: 7559 [2024-11-28 05:11:32,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=398, Invalid=1494, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 05:11:32,555 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 1767 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:11:32,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 1682 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2208 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 05:11:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2024-11-28 05:11:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 6934. [2024-11-28 05:11:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6934 states, 6711 states have (on average 1.2406496796304574) internal successors, (8326), 6740 states have internal predecessors, (8326), 188 states have call successors, (188), 5 states have call predecessors, (188), 5 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-28 05:11:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6934 states to 6934 states and 8702 transitions. [2024-11-28 05:11:33,105 INFO L78 Accepts]: Start accepts. Automaton has 6934 states and 8702 transitions. Word has length 138 [2024-11-28 05:11:33,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:11:33,106 INFO L471 AbstractCegarLoop]: Abstraction has 6934 states and 8702 transitions. [2024-11-28 05:11:33,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 12.4) internal successors, (248), 21 states have internal predecessors, (248), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:11:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 6934 states and 8702 transitions. [2024-11-28 05:11:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 05:11:33,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:11:33,107 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:11:33,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2024-11-28 05:11:33,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:33,307 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:11:33,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:11:33,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1283562831, now seen corresponding path program 2 times [2024-11-28 05:11:33,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:11:33,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098554945] [2024-11-28 05:11:33,308 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:33,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:11:33,323 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:33,323 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:11:33,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673031942] [2024-11-28 05:11:33,324 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:11:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:11:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:11:33,333 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:11:33,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-28 05:11:33,403 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:11:33,403 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:11:33,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 05:11:33,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:11:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:11:34,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:11:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:11:38,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:11:38,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098554945] [2024-11-28 05:11:38,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:11:38,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673031942] [2024-11-28 05:11:38,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673031942] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:11:38,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:11:38,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2024-11-28 05:11:38,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115852117] [2024-11-28 05:11:38,597 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:11:38,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-28 05:11:38,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:11:38,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-28 05:11:38,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1161, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 05:11:38,598 INFO L87 Difference]: Start difference. First operand 6934 states and 8702 transitions. Second operand has 38 states, 37 states have (on average 6.702702702702703) internal successors, (248), 38 states have internal predecessors, (248), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:11:49,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:11:52,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:12:05,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:12:13,193 WARN L539 Checker$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 05:12:18,717 WARN L851 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~yx~0#1| 4611686018427387903) (forall ((|ULTIMATE.start_main_~Y~0#1| Int)) (let ((.cse0 (+ (* 3 |ULTIMATE.start_main_~Y~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~Y~0#1|)))) (or (forall ((|ULTIMATE.start_main_~X~0#1| Int)) (or (< |ULTIMATE.start_main_~X~0#1| |c_ULTIMATE.start_main_~x~0#1|) (< .cse0 (+ (* |c_ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~X~0#1|) 4611686018427387904 (* 3 |ULTIMATE.start_main_~X~0#1|))))) (< 4611686018427387903 .cse0)))) (= (mod (* |c_ULTIMATE.start_main_~xy~0#1| 2) 3) 0) (<= (div (* |c_ULTIMATE.start_main_~xy~0#1| (- 1)) 3) 0) (= (mod (* |c_ULTIMATE.start_main_~yx~0#1| 2) 3) 0)) is different from false [2024-11-28 05:12:21,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:12:22,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:12:25,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:12:44,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:12:55,616 WARN L539 Checker$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 05:12:56,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:07,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:11,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:13,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:15,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:18,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:20,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:21,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:24,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:30,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:36,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:39,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:40,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:44,977 WARN L539 Checker$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 05:13:46,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:48,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:50,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:52,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:58,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:13:59,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:59,737 INFO L93 Difference]: Finished difference Result 7442 states and 9343 transitions. [2024-11-28 05:13:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-28 05:13:59,738 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 6.702702702702703) internal successors, (248), 38 states have internal predecessors, (248), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 140 [2024-11-28 05:13:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:59,747 INFO L225 Difference]: With dead ends: 7442 [2024-11-28 05:13:59,748 INFO L226 Difference]: Without dead ends: 7440 [2024-11-28 05:13:59,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2569 ImplicationChecksByTransitivity, 53.9s TimeCoverageRelationStatistics Valid=1736, Invalid=8363, Unknown=5, NotChecked=198, Total=10302 [2024-11-28 05:13:59,753 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1250 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 5550 mSolverCounterSat, 75 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 5630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 5550 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:59,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 2072 Invalid, 5630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 5550 Invalid, 5 Unknown, 0 Unchecked, 89.2s Time] [2024-11-28 05:13:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7440 states. [2024-11-28 05:14:00,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7440 to 7094. [2024-11-28 05:14:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7094 states, 6868 states have (on average 1.2402446126965638) internal successors, (8518), 6897 states have internal predecessors, (8518), 191 states have call successors, (191), 5 states have call predecessors, (191), 5 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-28 05:14:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 8900 transitions. [2024-11-28 05:14:00,383 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 8900 transitions. Word has length 140 [2024-11-28 05:14:00,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:00,383 INFO L471 AbstractCegarLoop]: Abstraction has 7094 states and 8900 transitions. [2024-11-28 05:14:00,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 6.702702702702703) internal successors, (248), 38 states have internal predecessors, (248), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:14:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 8900 transitions. [2024-11-28 05:14:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 05:14:00,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:00,385 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:00,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Forceful destruction successful, exit code 0 [2024-11-28 05:14:00,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:00,586 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:14:00,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:00,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1135742021, now seen corresponding path program 2 times [2024-11-28 05:14:00,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:00,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467160671] [2024-11-28 05:14:00,587 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:00,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:00,604 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:00,604 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:14:00,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841541084] [2024-11-28 05:14:00,606 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:00,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:00,608 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:00,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-28 05:14:00,683 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:00,683 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:00,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 05:14:00,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:14:02,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:14:04,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:04,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467160671] [2024-11-28 05:14:04,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:14:04,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841541084] [2024-11-28 05:14:04,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841541084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:14:04,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:14:04,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2024-11-28 05:14:04,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291449810] [2024-11-28 05:14:04,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:04,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-28 05:14:04,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:04,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-28 05:14:04,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1096, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 05:14:04,962 INFO L87 Difference]: Start difference. First operand 7094 states and 8900 transitions. Second operand has 36 states, 35 states have (on average 7.257142857142857) internal successors, (254), 36 states have internal predecessors, (254), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:14:27,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:27,975 INFO L93 Difference]: Finished difference Result 7257 states and 9102 transitions. [2024-11-28 05:14:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-11-28 05:14:27,976 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 7.257142857142857) internal successors, (254), 36 states have internal predecessors, (254), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 141 [2024-11-28 05:14:27,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:27,986 INFO L225 Difference]: With dead ends: 7257 [2024-11-28 05:14:27,986 INFO L226 Difference]: Without dead ends: 7256 [2024-11-28 05:14:27,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2529 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=1399, Invalid=9107, Unknown=0, NotChecked=0, Total=10506 [2024-11-28 05:14:27,989 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 923 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 5360 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 5425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 5360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:27,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 1548 Invalid, 5425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 5360 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2024-11-28 05:14:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7256 states. [2024-11-28 05:14:28,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7256 to 7094. [2024-11-28 05:14:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7094 states, 6868 states have (on average 1.2389341875364006) internal successors, (8509), 6897 states have internal predecessors, (8509), 191 states have call successors, (191), 5 states have call predecessors, (191), 5 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2024-11-28 05:14:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 8891 transitions. [2024-11-28 05:14:28,715 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 8891 transitions. Word has length 141 [2024-11-28 05:14:28,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:28,716 INFO L471 AbstractCegarLoop]: Abstraction has 7094 states and 8891 transitions. [2024-11-28 05:14:28,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 7.257142857142857) internal successors, (254), 36 states have internal predecessors, (254), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 05:14:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 8891 transitions. [2024-11-28 05:14:28,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 05:14:28,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:28,717 INFO L218 NwaCegarLoop]: trace histogram [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, 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 05:14:28,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-11-28 05:14:28,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:28,918 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:14:28,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash 600626534, now seen corresponding path program 1 times [2024-11-28 05:14:28,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:28,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468023553] [2024-11-28 05:14:28,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:28,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:29,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:29,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468023553] [2024-11-28 05:14:29,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468023553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:29,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82440280] [2024-11-28 05:14:29,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:29,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:29,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:29,270 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:29,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-28 05:14:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:29,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 05:14:29,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:30,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:31,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82440280] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:14:31,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:14:31,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2024-11-28 05:14:31,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764916555] [2024-11-28 05:14:31,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:31,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-28 05:14:31,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:31,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-28 05:14:31,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2024-11-28 05:14:31,035 INFO L87 Difference]: Start difference. First operand 7094 states and 8891 transitions. Second operand has 32 states, 32 states have (on average 10.59375) internal successors, (339), 32 states have internal predecessors, (339), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:14:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:34,345 INFO L93 Difference]: Finished difference Result 7248 states and 9074 transitions. [2024-11-28 05:14:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 05:14:34,346 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 10.59375) internal successors, (339), 32 states have internal predecessors, (339), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Word has length 148 [2024-11-28 05:14:34,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:34,352 INFO L225 Difference]: With dead ends: 7248 [2024-11-28 05:14:34,353 INFO L226 Difference]: Without dead ends: 7149 [2024-11-28 05:14:34,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 275 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=448, Invalid=2744, Unknown=0, NotChecked=0, Total=3192 [2024-11-28 05:14:34,355 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 229 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 2584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:34,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1726 Invalid, 2584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:14:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7149 states. [2024-11-28 05:14:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7149 to 7135. [2024-11-28 05:14:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7135 states, 6907 states have (on average 1.2375850586361663) internal successors, (8548), 6936 states have internal predecessors, (8548), 193 states have call successors, (193), 5 states have call predecessors, (193), 5 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2024-11-28 05:14:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 8934 transitions. [2024-11-28 05:14:34,941 INFO L78 Accepts]: Start accepts. Automaton has 7135 states and 8934 transitions. Word has length 148 [2024-11-28 05:14:34,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:34,941 INFO L471 AbstractCegarLoop]: Abstraction has 7135 states and 8934 transitions. [2024-11-28 05:14:34,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 10.59375) internal successors, (339), 32 states have internal predecessors, (339), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:14:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7135 states and 8934 transitions. [2024-11-28 05:14:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 05:14:34,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:34,943 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:34,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2024-11-28 05:14:35,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2024-11-28 05:14:35,143 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:14:35,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:35,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2021512616, now seen corresponding path program 2 times [2024-11-28 05:14:35,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:35,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972873357] [2024-11-28 05:14:35,144 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:35,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:35,160 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:35,161 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:14:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630566801] [2024-11-28 05:14:35,162 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:35,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:35,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:35,168 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:35,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-28 05:14:35,237 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:35,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:35,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 05:14:35,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:35,807 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:40,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:40,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972873357] [2024-11-28 05:14:40,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:14:40,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630566801] [2024-11-28 05:14:40,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630566801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:40,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:14:40,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 05:14:40,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389918699] [2024-11-28 05:14:40,464 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:40,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:14:40,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:40,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:14:40,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=242, Unknown=1, NotChecked=0, Total=306 [2024-11-28 05:14:40,465 INFO L87 Difference]: Start difference. First operand 7135 states and 8934 transitions. Second operand has 13 states, 12 states have (on average 11.25) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:14:41,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:41,343 INFO L93 Difference]: Finished difference Result 7136 states and 8934 transitions. [2024-11-28 05:14:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:14:41,343 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.25) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 152 [2024-11-28 05:14:41,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:41,351 INFO L225 Difference]: With dead ends: 7136 [2024-11-28 05:14:41,351 INFO L226 Difference]: Without dead ends: 7135 [2024-11-28 05:14:41,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=63, Invalid=242, Unknown=1, NotChecked=0, Total=306 [2024-11-28 05:14:41,354 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 25 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:41,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1512 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:14:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7135 states. [2024-11-28 05:14:42,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7135 to 7135. [2024-11-28 05:14:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7135 states, 6907 states have (on average 1.237440277978862) internal successors, (8547), 6936 states have internal predecessors, (8547), 193 states have call successors, (193), 5 states have call predecessors, (193), 5 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2024-11-28 05:14:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 8933 transitions. [2024-11-28 05:14:42,077 INFO L78 Accepts]: Start accepts. Automaton has 7135 states and 8933 transitions. Word has length 152 [2024-11-28 05:14:42,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:42,078 INFO L471 AbstractCegarLoop]: Abstraction has 7135 states and 8933 transitions. [2024-11-28 05:14:42,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.25) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:14:42,078 INFO L276 IsEmpty]: Start isEmpty. Operand 7135 states and 8933 transitions. [2024-11-28 05:14:42,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 05:14:42,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:42,079 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:42,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-28 05:14:42,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-11-28 05:14:42,280 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:14:42,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:42,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1781250003, now seen corresponding path program 1 times [2024-11-28 05:14:42,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:42,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880368541] [2024-11-28 05:14:42,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:42,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:42,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:42,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880368541] [2024-11-28 05:14:42,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880368541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:42,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141166217] [2024-11-28 05:14:42,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:42,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:42,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:42,463 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:42,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-28 05:14:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:42,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 05:14:42,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:42,947 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 6 proven. 163 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:42,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 34 proven. 135 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:43,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141166217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:14:43,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:14:43,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-28 05:14:43,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466477818] [2024-11-28 05:14:43,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:43,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 05:14:43,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:43,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 05:14:43,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:14:43,764 INFO L87 Difference]: Start difference. First operand 7135 states and 8933 transitions. Second operand has 21 states, 21 states have (on average 18.571428571428573) internal successors, (390), 21 states have internal predecessors, (390), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 05:14:47,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:47,090 INFO L93 Difference]: Finished difference Result 9529 states and 11920 transitions. [2024-11-28 05:14:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 05:14:47,090 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 18.571428571428573) internal successors, (390), 21 states have internal predecessors, (390), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 153 [2024-11-28 05:14:47,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:47,100 INFO L225 Difference]: With dead ends: 9529 [2024-11-28 05:14:47,100 INFO L226 Difference]: Without dead ends: 7107 [2024-11-28 05:14:47,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=540, Invalid=1910, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 05:14:47,106 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 1500 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:47,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 1621 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 05:14:47,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2024-11-28 05:14:47,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 6715. [2024-11-28 05:14:47,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 6499 states have (on average 1.2275734728419756) internal successors, (7978), 6528 states have internal predecessors, (7978), 181 states have call successors, (181), 5 states have call predecessors, (181), 5 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-28 05:14:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 8340 transitions. [2024-11-28 05:14:47,768 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 8340 transitions. Word has length 153 [2024-11-28 05:14:47,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:47,768 INFO L471 AbstractCegarLoop]: Abstraction has 6715 states and 8340 transitions. [2024-11-28 05:14:47,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 18.571428571428573) internal successors, (390), 21 states have internal predecessors, (390), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 05:14:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 8340 transitions. [2024-11-28 05:14:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 05:14:47,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:47,770 INFO L218 NwaCegarLoop]: trace histogram [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, 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] [2024-11-28 05:14:47,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Forceful destruction successful, exit code 0 [2024-11-28 05:14:47,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2024-11-28 05:14:47,970 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:14:47,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:47,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1239037150, now seen corresponding path program 2 times [2024-11-28 05:14:47,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914155004] [2024-11-28 05:14:47,971 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:47,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:47,990 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:47,990 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:14:47,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [282237394] [2024-11-28 05:14:47,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:47,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:47,995 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:47,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-28 05:14:48,084 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:48,084 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:48,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 05:14:48,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:48,695 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:14:48,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:57,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:14:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914155004] [2024-11-28 05:14:57,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:14:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282237394] [2024-11-28 05:14:57,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282237394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:14:57,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:14:57,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 05:14:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241888593] [2024-11-28 05:14:57,322 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:57,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:14:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:14:57,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:14:57,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=313, Unknown=2, NotChecked=0, Total=380 [2024-11-28 05:14:57,323 INFO L87 Difference]: Start difference. First operand 6715 states and 8340 transitions. Second operand has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:14:58,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:58,871 INFO L93 Difference]: Finished difference Result 6728 states and 8355 transitions. [2024-11-28 05:14:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:14:58,872 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 158 [2024-11-28 05:14:58,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:58,878 INFO L225 Difference]: With dead ends: 6728 [2024-11-28 05:14:58,878 INFO L226 Difference]: Without dead ends: 6727 [2024-11-28 05:14:58,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=111, Invalid=537, Unknown=2, NotChecked=0, Total=650 [2024-11-28 05:14:58,880 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 79 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:58,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1886 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:14:58,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6727 states. [2024-11-28 05:14:59,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6727 to 6715. [2024-11-28 05:14:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 6499 states have (on average 1.2274196030158486) internal successors, (7977), 6528 states have internal predecessors, (7977), 181 states have call successors, (181), 5 states have call predecessors, (181), 5 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-28 05:14:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 8339 transitions. [2024-11-28 05:14:59,485 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 8339 transitions. Word has length 158 [2024-11-28 05:14:59,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:59,485 INFO L471 AbstractCegarLoop]: Abstraction has 6715 states and 8339 transitions. [2024-11-28 05:14:59,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.846153846153847) internal successors, (141), 14 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 05:14:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 8339 transitions. [2024-11-28 05:14:59,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 05:14:59,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:59,486 INFO L218 NwaCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:59,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-28 05:14:59,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:59,686 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:14:59,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash 559052233, now seen corresponding path program 2 times [2024-11-28 05:14:59,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:14:59,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298697983] [2024-11-28 05:14:59,687 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:59,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:14:59,705 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:59,705 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:15:00,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:00,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298697983] [2024-11-28 05:15:00,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298697983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:00,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387086099] [2024-11-28 05:15:00,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:15:00,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:00,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:00,085 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:00,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-28 05:15:00,172 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:15:00,172 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:00,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:15:00,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:15:01,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:15:02,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387086099] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:15:02,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:15:02,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 32 [2024-11-28 05:15:02,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881380750] [2024-11-28 05:15:02,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:02,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-28 05:15:02,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:02,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-28 05:15:02,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 05:15:02,548 INFO L87 Difference]: Start difference. First operand 6715 states and 8339 transitions. Second operand has 33 states, 32 states have (on average 13.125) internal successors, (420), 33 states have internal predecessors, (420), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 05:15:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:06,909 INFO L93 Difference]: Finished difference Result 6969 states and 8646 transitions. [2024-11-28 05:15:06,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-28 05:15:06,910 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 13.125) internal successors, (420), 33 states have internal predecessors, (420), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 161 [2024-11-28 05:15:06,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:06,916 INFO L225 Difference]: With dead ends: 6969 [2024-11-28 05:15:06,917 INFO L226 Difference]: Without dead ends: 6968 [2024-11-28 05:15:06,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=870, Invalid=3420, Unknown=0, NotChecked=0, Total=4290 [2024-11-28 05:15:06,919 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 844 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 2987 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 3040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:06,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1668 Invalid, 3040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2987 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 05:15:06,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6968 states. [2024-11-28 05:15:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6968 to 6720. [2024-11-28 05:15:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6720 states, 6503 states have (on average 1.22681839151161) internal successors, (7978), 6532 states have internal predecessors, (7978), 182 states have call successors, (182), 5 states have call predecessors, (182), 5 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) [2024-11-28 05:15:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6720 states to 6720 states and 8342 transitions. [2024-11-28 05:15:07,554 INFO L78 Accepts]: Start accepts. Automaton has 6720 states and 8342 transitions. Word has length 161 [2024-11-28 05:15:07,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:07,554 INFO L471 AbstractCegarLoop]: Abstraction has 6720 states and 8342 transitions. [2024-11-28 05:15:07,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 13.125) internal successors, (420), 33 states have internal predecessors, (420), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 05:15:07,555 INFO L276 IsEmpty]: Start isEmpty. Operand 6720 states and 8342 transitions. [2024-11-28 05:15:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-28 05:15:07,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:07,555 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:07,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Forceful destruction successful, exit code 0 [2024-11-28 05:15:07,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:07,756 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:15:07,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1726520496, now seen corresponding path program 2 times [2024-11-28 05:15:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:07,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662500151] [2024-11-28 05:15:07,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:15:07,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:07,777 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:15:07,777 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 05:15:07,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835764559] [2024-11-28 05:15:07,778 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:15:07,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:07,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:07,781 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:07,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-28 05:15:07,851 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:15:07,851 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:15:07,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 05:15:07,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:15:08,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 05:15:09,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662500151] [2024-11-28 05:15:09,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835764559] [2024-11-28 05:15:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835764559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:15:09,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:15:09,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2024-11-28 05:15:09,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714640628] [2024-11-28 05:15:09,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:09,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 05:15:09,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:09,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 05:15:09,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:15:09,422 INFO L87 Difference]: Start difference. First operand 6720 states and 8342 transitions. Second operand has 30 states, 29 states have (on average 9.724137931034482) internal successors, (282), 30 states have internal predecessors, (282), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:15:14,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:14,287 INFO L93 Difference]: Finished difference Result 6986 states and 8652 transitions. [2024-11-28 05:15:14,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-28 05:15:14,288 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 9.724137931034482) internal successors, (282), 30 states have internal predecessors, (282), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 162 [2024-11-28 05:15:14,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:14,294 INFO L225 Difference]: With dead ends: 6986 [2024-11-28 05:15:14,294 INFO L226 Difference]: Without dead ends: 6984 [2024-11-28 05:15:14,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=469, Invalid=2953, Unknown=0, NotChecked=0, Total=3422 [2024-11-28 05:15:14,297 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 489 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:14,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1994 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 05:15:14,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6984 states. [2024-11-28 05:15:14,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6984 to 6842. [2024-11-28 05:15:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6842 states, 6622 states have (on average 1.2262156448202959) internal successors, (8120), 6651 states have internal predecessors, (8120), 185 states have call successors, (185), 5 states have call predecessors, (185), 5 states have return successors, (185), 185 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-28 05:15:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6842 states to 6842 states and 8490 transitions. [2024-11-28 05:15:14,888 INFO L78 Accepts]: Start accepts. Automaton has 6842 states and 8490 transitions. Word has length 162 [2024-11-28 05:15:14,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:14,888 INFO L471 AbstractCegarLoop]: Abstraction has 6842 states and 8490 transitions. [2024-11-28 05:15:14,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 9.724137931034482) internal successors, (282), 30 states have internal predecessors, (282), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:15:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 6842 states and 8490 transitions. [2024-11-28 05:15:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 05:15:14,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:14,890 INFO L218 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:15:14,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Forceful destruction successful, exit code 0 [2024-11-28 05:15:15,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:15,091 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-28 05:15:15,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1756391562, now seen corresponding path program 1 times [2024-11-28 05:15:15,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:15,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463299684] [2024-11-28 05:15:15,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:15:15,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1167392131] [2024-11-28 05:15:15,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:15,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:15,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:15,120 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:15,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_459ef259-5313-484a-992c-209fe5db1ace/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-28 05:15:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:15,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-28 05:15:15,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:16,877 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 6 proven. 186 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:15:16,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:15:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 6 proven. 186 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 05:15:26,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:26,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463299684] [2024-11-28 05:15:26,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 05:15:26,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167392131] [2024-11-28 05:15:26,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167392131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:15:26,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:15:26,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-28 05:15:26,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327531267] [2024-11-28 05:15:26,317 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:15:26,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-28 05:15:26,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:26,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-28 05:15:26,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=2257, Unknown=0, NotChecked=0, Total=2550 [2024-11-28 05:15:26,319 INFO L87 Difference]: Start difference. First operand 6842 states and 8490 transitions. Second operand has 51 states, 50 states have (on average 5.86) internal successors, (293), 51 states have internal predecessors, (293), 8 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:15:37,016 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:15:38,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:15:42,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:15:47,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:15:51,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:15:55,972 WARN L539 Checker$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 05:16:00,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:04,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:13,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:17,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:25,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:28,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:40,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:42,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:49,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:16:57,443 WARN L539 Checker$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 05:17:08,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:11,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:19,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:21,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:25,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:36,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:38,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:40,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:44,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:17:54,805 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:17:57,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:17,705 WARN L286 SmtUtils]: Spent 19.70s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:18:39,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:51,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:18:52,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:19:08,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:19:17,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:19:21,526 WARN L539 Checker$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 05:19:25,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:19:30,859 WARN L539 Checker$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 05:19:39,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 05:19:48,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []