./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.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_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/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_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/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_bb7c85ea-ab77-4843-80e7-34e194759d4d/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 aa34b6970b46b2c3f1bda76d086482188f10831dd44cba913e5171769601c6f3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:38:45,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:38:45,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 02:38:45,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:38:45,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:38:45,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:38:45,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:38:45,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:38:45,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:38:45,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:38:45,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:38:45,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:38:45,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:38:45,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:38:45,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:38:45,172 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:45,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:45,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:45,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:38:45,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:45,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:45,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:45,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:45,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:38:45,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:38:45,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:38:45,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:38:45,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:38:45,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:38:45,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:38:45,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:38:45,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:38:45,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:38:45,176 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_bb7c85ea-ab77-4843-80e7-34e194759d4d/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 -> aa34b6970b46b2c3f1bda76d086482188f10831dd44cba913e5171769601c6f3 [2024-11-28 02:38:45,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:38:45,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:38:45,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:38:45,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:38:45,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:38:45,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c [2024-11-28 02:38:48,553 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/data/2e7ca8ca0/08086cee50d64ec1b8e5b47fad2d65a4/FLAG76fe52e86 [2024-11-28 02:38:48,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:38:48,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c [2024-11-28 02:38:48,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/data/2e7ca8ca0/08086cee50d64ec1b8e5b47fad2d65a4/FLAG76fe52e86 [2024-11-28 02:38:48,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/data/2e7ca8ca0/08086cee50d64ec1b8e5b47fad2d65a4 [2024-11-28 02:38:48,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:38:48,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:38:48,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:48,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:38:48,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:38:48,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:48" (1/1) ... [2024-11-28 02:38:48,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c85473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:48, skipping insertion in model container [2024-11-28 02:38:48,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:38:48" (1/1) ... [2024-11-28 02:38:48,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:38:49,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:49,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:38:49,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:38:49,177 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:38:49,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49 WrapperNode [2024-11-28 02:38:49,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:38:49,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:49,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:38:49,181 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:38:49,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,241 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-11-28 02:38:49,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:38:49,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:38:49,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:38:49,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:38:49,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,286 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 02:38:49,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:38:49,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:38:49,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:38:49,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:38:49,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (1/1) ... [2024-11-28 02:38:49,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:49,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:49,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:38:49,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:38:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:38:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:38:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:38:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:38:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:38:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:38:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:38:49,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:38:49,466 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:38:49,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:38:50,162 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-11-28 02:38:50,162 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:38:50,180 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:38:50,180 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:38:50,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:50 BoogieIcfgContainer [2024-11-28 02:38:50,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:38:50,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:38:50,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:38:50,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:38:50,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:38:48" (1/3) ... [2024-11-28 02:38:50,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e8bdd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:50, skipping insertion in model container [2024-11-28 02:38:50,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:38:49" (2/3) ... [2024-11-28 02:38:50,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e8bdd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:38:50, skipping insertion in model container [2024-11-28 02:38:50,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:38:50" (3/3) ... [2024-11-28 02:38:50,193 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound10.c [2024-11-28 02:38:50,212 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:38:50,214 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_unwindbound10.c that has 3 procedures, 170 locations, 1 initial locations, 2 loop locations, and 68 error locations. [2024-11-28 02:38:50,300 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:38:50,314 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;@13ddd58e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:38:50,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-11-28 02:38:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 02:38:50,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 02:38:50,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:50,329 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:50,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:50,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:50,337 INFO L85 PathProgramCache]: Analyzing trace with hash -863715224, now seen corresponding path program 1 times [2024-11-28 02:38:50,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:50,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500058140] [2024-11-28 02:38:50,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:50,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 02:38:50,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:50,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500058140] [2024-11-28 02:38:50,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500058140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:50,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895408407] [2024-11-28 02:38:50,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:50,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:50,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:50,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:50,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:38:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:50,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:38:50,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 02:38:50,597 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895408407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:50,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:50,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:38:50,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332175966] [2024-11-28 02:38:50,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:50,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:38:50,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:50,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:38:50,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:50,631 INFO L87 Difference]: Start difference. First operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:38:50,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:50,664 INFO L93 Difference]: Finished difference Result 335 states and 375 transitions. [2024-11-28 02:38:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:38:50,666 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-28 02:38:50,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:50,673 INFO L225 Difference]: With dead ends: 335 [2024-11-28 02:38:50,674 INFO L226 Difference]: Without dead ends: 162 [2024-11-28 02:38:50,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:38:50,680 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:50,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-28 02:38:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-28 02:38:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 84 states have (on average 1.8333333333333333) internal successors, (154), 151 states have internal predecessors, (154), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:38:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2024-11-28 02:38:50,731 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 14 [2024-11-28 02:38:50,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:50,731 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2024-11-28 02:38:50,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:38:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2024-11-28 02:38:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 02:38:50,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:50,733 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:50,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:38:50,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:38:50,938 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:50,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:50,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1254895192, now seen corresponding path program 1 times [2024-11-28 02:38:50,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:50,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211629267] [2024-11-28 02:38:50,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:50,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:38:50,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1112116905] [2024-11-28 02:38:50,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:50,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:50,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:50,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:50,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:38:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:51,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:38:51,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:38:51,213 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:51,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:51,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211629267] [2024-11-28 02:38:51,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:38:51,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112116905] [2024-11-28 02:38:51,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112116905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:51,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:51,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:38:51,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662136951] [2024-11-28 02:38:51,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:51,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:38:51,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:51,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:38:51,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:38:51,217 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 02:38:51,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:51,756 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions. [2024-11-28 02:38:51,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:38:51,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 14 [2024-11-28 02:38:51,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:51,759 INFO L225 Difference]: With dead ends: 162 [2024-11-28 02:38:51,759 INFO L226 Difference]: Without dead ends: 160 [2024-11-28 02:38:51,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:38:51,760 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 116 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:51,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 271 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:38:51,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-28 02:38:51,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-28 02:38:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 84 states have (on average 1.8095238095238095) internal successors, (152), 149 states have internal predecessors, (152), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:38:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2024-11-28 02:38:51,786 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 14 [2024-11-28 02:38:51,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:51,788 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2024-11-28 02:38:51,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 02:38:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-28 02:38:51,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:38:51,788 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:51,789 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:51,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:38:51,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:51,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:51,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:51,990 INFO L85 PathProgramCache]: Analyzing trace with hash -247045249, now seen corresponding path program 1 times [2024-11-28 02:38:51,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:51,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793889573] [2024-11-28 02:38:51,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:38:52,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1157526765] [2024-11-28 02:38:52,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:52,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:52,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:52,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:52,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:38:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:52,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:38:52,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:38:52,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:52,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:52,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793889573] [2024-11-28 02:38:52,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:38:52,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157526765] [2024-11-28 02:38:52,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157526765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:52,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:52,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:38:52,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385975261] [2024-11-28 02:38:52,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:52,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:38:52,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:52,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:38:52,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:38:52,179 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:38:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:52,702 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2024-11-28 02:38:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:38:52,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-28 02:38:52,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:52,704 INFO L225 Difference]: With dead ends: 160 [2024-11-28 02:38:52,704 INFO L226 Difference]: Without dead ends: 159 [2024-11-28 02:38:52,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:38:52,705 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 103 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:52,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 271 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:38:52,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-28 02:38:52,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-28 02:38:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 84 states have (on average 1.7976190476190477) internal successors, (151), 148 states have internal predecessors, (151), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 02:38:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2024-11-28 02:38:52,718 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 15 [2024-11-28 02:38:52,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:52,719 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2024-11-28 02:38:52,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:38:52,719 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-11-28 02:38:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 02:38:52,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:52,751 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:52,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:38:52,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:52,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:52,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:52,952 INFO L85 PathProgramCache]: Analyzing trace with hash -403184889, now seen corresponding path program 1 times [2024-11-28 02:38:52,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:52,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639502632] [2024-11-28 02:38:52,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:52,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:53,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:53,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639502632] [2024-11-28 02:38:53,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639502632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:53,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:53,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:38:53,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758544316] [2024-11-28 02:38:53,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:53,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:53,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:53,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:53,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:38:53,084 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:53,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:53,133 INFO L93 Difference]: Finished difference Result 200 states and 211 transitions. [2024-11-28 02:38:53,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:53,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-28 02:38:53,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:53,136 INFO L225 Difference]: With dead ends: 200 [2024-11-28 02:38:53,136 INFO L226 Difference]: Without dead ends: 199 [2024-11-28 02:38:53,137 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 02:38:53,140 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 48 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:53,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 469 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-28 02:38:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2024-11-28 02:38:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7755102040816326) internal successors, (174), 162 states have internal predecessors, (174), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 02:38:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 194 transitions. [2024-11-28 02:38:53,160 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 194 transitions. Word has length 29 [2024-11-28 02:38:53,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:53,160 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 194 transitions. [2024-11-28 02:38:53,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 194 transitions. [2024-11-28 02:38:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 02:38:53,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:53,162 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:53,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:38:53,162 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:53,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:53,163 INFO L85 PathProgramCache]: Analyzing trace with hash 386170382, now seen corresponding path program 1 times [2024-11-28 02:38:53,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:53,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309970314] [2024-11-28 02:38:53,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:53,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:53,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:53,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309970314] [2024-11-28 02:38:53,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309970314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:53,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:53,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:38:53,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182742600] [2024-11-28 02:38:53,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:53,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:53,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:53,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:53,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:38:53,310 INFO L87 Difference]: Start difference. First operand 175 states and 194 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:53,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:53,360 INFO L93 Difference]: Finished difference Result 205 states and 222 transitions. [2024-11-28 02:38:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:38:53,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-28 02:38:53,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:53,364 INFO L225 Difference]: With dead ends: 205 [2024-11-28 02:38:53,364 INFO L226 Difference]: Without dead ends: 175 [2024-11-28 02:38:53,366 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 02:38:53,366 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 10 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:53,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:53,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-28 02:38:53,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-28 02:38:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7551020408163265) internal successors, (172), 162 states have internal predecessors, (172), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 02:38:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 192 transitions. [2024-11-28 02:38:53,399 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 192 transitions. Word has length 30 [2024-11-28 02:38:53,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:53,400 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 192 transitions. [2024-11-28 02:38:53,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2024-11-28 02:38:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 02:38:53,400 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:53,401 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:53,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:38:53,401 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:53,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:53,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1815479892, now seen corresponding path program 1 times [2024-11-28 02:38:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:53,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796014141] [2024-11-28 02:38:53,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:38:53,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:53,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796014141] [2024-11-28 02:38:53,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796014141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:53,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249203624] [2024-11-28 02:38:53,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:53,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:53,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:53,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:53,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:38:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:53,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:38:53,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:53,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249203624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:53,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:53,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-28 02:38:53,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199348246] [2024-11-28 02:38:53,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:53,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:38:53,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:53,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:38:53,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:53,746 INFO L87 Difference]: Start difference. First operand 175 states and 192 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:54,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:54,090 INFO L93 Difference]: Finished difference Result 277 states and 309 transitions. [2024-11-28 02:38:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:38:54,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2024-11-28 02:38:54,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:54,092 INFO L225 Difference]: With dead ends: 277 [2024-11-28 02:38:54,092 INFO L226 Difference]: Without dead ends: 267 [2024-11-28 02:38:54,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:54,093 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 95 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:54,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 234 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:38:54,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-28 02:38:54,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2024-11-28 02:38:54,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 210 states have internal predecessors, (256), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:38:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 284 transitions. [2024-11-28 02:38:54,110 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 284 transitions. Word has length 33 [2024-11-28 02:38:54,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:54,110 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 284 transitions. [2024-11-28 02:38:54,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2024-11-28 02:38:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 02:38:54,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:54,112 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:54,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:38:54,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:54,312 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:54,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:54,314 INFO L85 PathProgramCache]: Analyzing trace with hash -445303656, now seen corresponding path program 1 times [2024-11-28 02:38:54,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:54,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354432843] [2024-11-28 02:38:54,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:54,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:54,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:54,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354432843] [2024-11-28 02:38:54,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354432843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:54,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:54,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:38:54,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131901329] [2024-11-28 02:38:54,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:54,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:38:54,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:54,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:38:54,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:38:54,468 INFO L87 Difference]: Start difference. First operand 227 states and 284 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:54,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:54,576 INFO L93 Difference]: Finished difference Result 227 states and 284 transitions. [2024-11-28 02:38:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:38:54,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-28 02:38:54,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:54,579 INFO L225 Difference]: With dead ends: 227 [2024-11-28 02:38:54,579 INFO L226 Difference]: Without dead ends: 225 [2024-11-28 02:38:54,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:38:54,580 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:54,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 472 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:38:54,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-28 02:38:54,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-28 02:38:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7328767123287672) internal successors, (253), 208 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:38:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 281 transitions. [2024-11-28 02:38:54,603 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 281 transitions. Word has length 34 [2024-11-28 02:38:54,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:54,603 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 281 transitions. [2024-11-28 02:38:54,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 281 transitions. [2024-11-28 02:38:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 02:38:54,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:54,605 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:54,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:38:54,606 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:54,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:54,607 INFO L85 PathProgramCache]: Analyzing trace with hash -919447826, now seen corresponding path program 1 times [2024-11-28 02:38:54,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:54,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495272365] [2024-11-28 02:38:54,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:54,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:38:54,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:54,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495272365] [2024-11-28 02:38:54,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495272365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:54,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455535624] [2024-11-28 02:38:54,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:54,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:54,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:54,783 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:54,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:38:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:54,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:38:54,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:54,962 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:54,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455535624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:54,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:54,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:38:54,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374770142] [2024-11-28 02:38:54,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:54,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:54,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:54,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:54,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:54,964 INFO L87 Difference]: Start difference. First operand 225 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:55,340 INFO L93 Difference]: Finished difference Result 255 states and 304 transitions. [2024-11-28 02:38:55,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:55,340 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-28 02:38:55,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:55,342 INFO L225 Difference]: With dead ends: 255 [2024-11-28 02:38:55,343 INFO L226 Difference]: Without dead ends: 252 [2024-11-28 02:38:55,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:55,344 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 201 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:55,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 186 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:38:55,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-28 02:38:55,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 225. [2024-11-28 02:38:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7123287671232876) internal successors, (250), 208 states have internal predecessors, (250), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:38:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 278 transitions. [2024-11-28 02:38:55,362 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 278 transitions. Word has length 35 [2024-11-28 02:38:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:55,363 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 278 transitions. [2024-11-28 02:38:55,363 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:55,363 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2024-11-28 02:38:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-28 02:38:55,364 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:55,364 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:55,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:38:55,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:55,569 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:55,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:55,569 INFO L85 PathProgramCache]: Analyzing trace with hash -919511376, now seen corresponding path program 1 times [2024-11-28 02:38:55,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:55,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018349863] [2024-11-28 02:38:55,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:55,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:55,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018349863] [2024-11-28 02:38:55,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018349863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:55,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:55,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:38:55,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098073252] [2024-11-28 02:38:55,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:55,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:38:55,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:55,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:38:55,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:38:55,648 INFO L87 Difference]: Start difference. First operand 225 states and 278 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:55,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:55,733 INFO L93 Difference]: Finished difference Result 389 states and 447 transitions. [2024-11-28 02:38:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:38:55,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-28 02:38:55,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:55,735 INFO L225 Difference]: With dead ends: 389 [2024-11-28 02:38:55,735 INFO L226 Difference]: Without dead ends: 244 [2024-11-28 02:38:55,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:38:55,736 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 39 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:55,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 755 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:38:55,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-28 02:38:55,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 229. [2024-11-28 02:38:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 212 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:38:55,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 282 transitions. [2024-11-28 02:38:55,752 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 282 transitions. Word has length 35 [2024-11-28 02:38:55,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:55,752 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 282 transitions. [2024-11-28 02:38:55,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2024-11-28 02:38:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-28 02:38:55,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:55,754 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:55,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:38:55,754 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:55,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:55,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1561888664, now seen corresponding path program 1 times [2024-11-28 02:38:55,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:55,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232123434] [2024-11-28 02:38:55,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:55,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:38:55,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:55,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232123434] [2024-11-28 02:38:55,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232123434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:55,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940310640] [2024-11-28 02:38:55,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:55,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:55,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:55,868 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:55,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:38:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:55,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:38:55,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:56,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940310640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:56,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:56,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:38:56,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83257788] [2024-11-28 02:38:56,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:56,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:56,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:56,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:56,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:56,049 INFO L87 Difference]: Start difference. First operand 229 states and 282 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:56,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:56,651 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2024-11-28 02:38:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:56,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-28 02:38:56,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:56,653 INFO L225 Difference]: With dead ends: 243 [2024-11-28 02:38:56,653 INFO L226 Difference]: Without dead ends: 242 [2024-11-28 02:38:56,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:56,654 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 63 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:56,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 223 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:38:56,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-28 02:38:56,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 229. [2024-11-28 02:38:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6866666666666668) internal successors, (253), 212 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:38:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2024-11-28 02:38:56,670 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 36 [2024-11-28 02:38:56,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:56,671 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2024-11-28 02:38:56,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2024-11-28 02:38:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-28 02:38:56,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:56,672 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:56,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:38:56,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 02:38:56,876 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:56,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:56,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1173908528, now seen corresponding path program 1 times [2024-11-28 02:38:56,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:56,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718549490] [2024-11-28 02:38:56,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:38:56,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:56,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718549490] [2024-11-28 02:38:56,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718549490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:56,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832485970] [2024-11-28 02:38:56,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:56,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:56,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:57,001 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:57,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:38:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:57,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:38:57,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:57,135 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:57,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832485970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:57,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:57,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:38:57,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685383451] [2024-11-28 02:38:57,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:57,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:57,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:57,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:57,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:57,138 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:57,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:57,632 INFO L93 Difference]: Finished difference Result 287 states and 323 transitions. [2024-11-28 02:38:57,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:57,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-11-28 02:38:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:57,635 INFO L225 Difference]: With dead ends: 287 [2024-11-28 02:38:57,635 INFO L226 Difference]: Without dead ends: 285 [2024-11-28 02:38:57,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:57,636 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 156 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:57,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 255 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:38:57,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-28 02:38:57,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 229. [2024-11-28 02:38:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6733333333333333) internal successors, (251), 212 states have internal predecessors, (251), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-28 02:38:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 279 transitions. [2024-11-28 02:38:57,657 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 279 transitions. Word has length 37 [2024-11-28 02:38:57,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:57,658 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 279 transitions. [2024-11-28 02:38:57,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 279 transitions. [2024-11-28 02:38:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-28 02:38:57,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:57,661 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:57,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 02:38:57,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 02:38:57,861 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:57,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1112833045, now seen corresponding path program 1 times [2024-11-28 02:38:57,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:57,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565012241] [2024-11-28 02:38:57,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:38:57,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1392022135] [2024-11-28 02:38:57,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:57,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:57,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:57,889 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:57,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 02:38:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:57,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:38:57,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:57,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:57,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:57,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565012241] [2024-11-28 02:38:57,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:38:57,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392022135] [2024-11-28 02:38:57,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392022135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:57,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:38:57,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:38:57,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610381067] [2024-11-28 02:38:57,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:57,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:38:57,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:57,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:38:57,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:38:57,984 INFO L87 Difference]: Start difference. First operand 229 states and 279 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:58,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:58,165 INFO L93 Difference]: Finished difference Result 378 states and 476 transitions. [2024-11-28 02:38:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:38:58,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-28 02:38:58,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:58,169 INFO L225 Difference]: With dead ends: 378 [2024-11-28 02:38:58,169 INFO L226 Difference]: Without dead ends: 370 [2024-11-28 02:38:58,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 02:38:58,170 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:58,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 286 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:38:58,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-28 02:38:58,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 330. [2024-11-28 02:38:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.699588477366255) internal successors, (413), 305 states have internal predecessors, (413), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:38:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 457 transitions. [2024-11-28 02:38:58,198 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 457 transitions. Word has length 37 [2024-11-28 02:38:58,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:58,199 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 457 transitions. [2024-11-28 02:38:58,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 02:38:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 457 transitions. [2024-11-28 02:38:58,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 02:38:58,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:58,202 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:58,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:38:58,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 02:38:58,404 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:58,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:58,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2031426202, now seen corresponding path program 1 times [2024-11-28 02:38:58,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:58,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863593727] [2024-11-28 02:38:58,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:58,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:38:58,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:58,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863593727] [2024-11-28 02:38:58,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863593727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:58,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301724281] [2024-11-28 02:38:58,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:58,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:58,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:58,530 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:58,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 02:38:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:58,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:38:58,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:38:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:38:58,686 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:38:58,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301724281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:38:58,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:38:58,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:38:58,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904472867] [2024-11-28 02:38:58,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:38:58,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:38:58,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:38:58,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:38:58,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:58,687 INFO L87 Difference]: Start difference. First operand 330 states and 457 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:59,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:38:59,496 INFO L93 Difference]: Finished difference Result 377 states and 479 transitions. [2024-11-28 02:38:59,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:38:59,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2024-11-28 02:38:59,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:38:59,499 INFO L225 Difference]: With dead ends: 377 [2024-11-28 02:38:59,499 INFO L226 Difference]: Without dead ends: 373 [2024-11-28 02:38:59,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:38:59,500 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 153 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:38:59,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 257 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:38:59,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-28 02:38:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 330. [2024-11-28 02:38:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6748971193415638) internal successors, (407), 305 states have internal predecessors, (407), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:38:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 451 transitions. [2024-11-28 02:38:59,546 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 451 transitions. Word has length 38 [2024-11-28 02:38:59,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:38:59,546 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 451 transitions. [2024-11-28 02:38:59,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:38:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 451 transitions. [2024-11-28 02:38:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-28 02:38:59,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:38:59,548 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:38:59,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 02:38:59,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 02:38:59,749 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:38:59,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:38:59,749 INFO L85 PathProgramCache]: Analyzing trace with hash -14297833, now seen corresponding path program 1 times [2024-11-28 02:38:59,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:38:59,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477150939] [2024-11-28 02:38:59,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:59,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:38:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:38:59,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:38:59,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477150939] [2024-11-28 02:38:59,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477150939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:38:59,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101133481] [2024-11-28 02:38:59,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:38:59,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:38:59,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:38:59,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:38:59,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 02:38:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:38:59,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:38:59,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:39:00,066 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:00,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101133481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:00,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:00,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-28 02:39:00,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686510136] [2024-11-28 02:39:00,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:00,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:00,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:00,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:00,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:39:00,069 INFO L87 Difference]: Start difference. First operand 330 states and 451 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:39:00,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:00,772 INFO L93 Difference]: Finished difference Result 394 states and 463 transitions. [2024-11-28 02:39:00,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:00,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-28 02:39:00,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:00,775 INFO L225 Difference]: With dead ends: 394 [2024-11-28 02:39:00,775 INFO L226 Difference]: Without dead ends: 393 [2024-11-28 02:39:00,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:39:00,777 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 463 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:00,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 306 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:39:00,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-28 02:39:00,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-28 02:39:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 305 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:00,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 450 transitions. [2024-11-28 02:39:00,807 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 450 transitions. Word has length 39 [2024-11-28 02:39:00,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:00,807 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 450 transitions. [2024-11-28 02:39:00,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:39:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2024-11-28 02:39:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 02:39:00,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:00,809 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:00,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 02:39:01,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:01,014 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:01,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:01,014 INFO L85 PathProgramCache]: Analyzing trace with hash -443232737, now seen corresponding path program 1 times [2024-11-28 02:39:01,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:01,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506162995] [2024-11-28 02:39:01,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:01,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:01,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168718875] [2024-11-28 02:39:01,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:01,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:01,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:01,030 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:01,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 02:39:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:01,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:39:01,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:39:01,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:01,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:01,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506162995] [2024-11-28 02:39:01,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:01,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168718875] [2024-11-28 02:39:01,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168718875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:01,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:01,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:01,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341382802] [2024-11-28 02:39:01,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:01,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:01,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:01,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:01,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:01,166 INFO L87 Difference]: Start difference. First operand 330 states and 450 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:39:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:01,738 INFO L93 Difference]: Finished difference Result 394 states and 462 transitions. [2024-11-28 02:39:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:01,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-28 02:39:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:01,741 INFO L225 Difference]: With dead ends: 394 [2024-11-28 02:39:01,741 INFO L226 Difference]: Without dead ends: 393 [2024-11-28 02:39:01,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:01,742 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 468 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:01,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 302 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:39:01,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-28 02:39:01,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-28 02:39:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6666666666666667) internal successors, (405), 305 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 449 transitions. [2024-11-28 02:39:01,764 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 449 transitions. Word has length 40 [2024-11-28 02:39:01,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:01,765 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 449 transitions. [2024-11-28 02:39:01,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 02:39:01,765 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 449 transitions. [2024-11-28 02:39:01,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 02:39:01,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:01,766 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:01,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 02:39:01,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:01,971 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:01,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1921936789, now seen corresponding path program 1 times [2024-11-28 02:39:01,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:01,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523373367] [2024-11-28 02:39:01,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:01,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:39:02,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:02,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523373367] [2024-11-28 02:39:02,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523373367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:02,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275690740] [2024-11-28 02:39:02,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:02,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:02,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:02,106 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:02,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 02:39:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:02,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:02,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:39:02,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:02,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275690740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:02,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:02,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:39:02,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807201838] [2024-11-28 02:39:02,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:02,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:02,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:02,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:02,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:02,307 INFO L87 Difference]: Start difference. First operand 330 states and 449 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:02,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:02,630 INFO L93 Difference]: Finished difference Result 359 states and 461 transitions. [2024-11-28 02:39:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:02,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-28 02:39:02,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:02,633 INFO L225 Difference]: With dead ends: 359 [2024-11-28 02:39:02,633 INFO L226 Difference]: Without dead ends: 357 [2024-11-28 02:39:02,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:02,634 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 257 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:02,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 212 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:39:02,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-28 02:39:02,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 331. [2024-11-28 02:39:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6557377049180328) internal successors, (404), 305 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 448 transitions. [2024-11-28 02:39:02,655 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 448 transitions. Word has length 44 [2024-11-28 02:39:02,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:02,656 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 448 transitions. [2024-11-28 02:39:02,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 448 transitions. [2024-11-28 02:39:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-28 02:39:02,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:02,657 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:02,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:02,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 02:39:02,858 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:02,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:02,859 INFO L85 PathProgramCache]: Analyzing trace with hash 549501892, now seen corresponding path program 1 times [2024-11-28 02:39:02,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:02,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542666454] [2024-11-28 02:39:02,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:02,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:39:02,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:02,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542666454] [2024-11-28 02:39:02,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542666454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:02,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068142340] [2024-11-28 02:39:02,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:02,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:02,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:02,957 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:02,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 02:39:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:03,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:03,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:39:03,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:03,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068142340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:03,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:03,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:39:03,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486699783] [2024-11-28 02:39:03,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:03,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:03,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:03,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:03,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:03,156 INFO L87 Difference]: Start difference. First operand 331 states and 448 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:03,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:03,485 INFO L93 Difference]: Finished difference Result 359 states and 458 transitions. [2024-11-28 02:39:03,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:03,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-28 02:39:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:03,488 INFO L225 Difference]: With dead ends: 359 [2024-11-28 02:39:03,488 INFO L226 Difference]: Without dead ends: 357 [2024-11-28 02:39:03,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:03,489 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 255 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:03,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 212 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:39:03,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-28 02:39:03,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 332. [2024-11-28 02:39:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 245 states have (on average 1.6448979591836734) internal successors, (403), 306 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 447 transitions. [2024-11-28 02:39:03,509 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 447 transitions. Word has length 45 [2024-11-28 02:39:03,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:03,510 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 447 transitions. [2024-11-28 02:39:03,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 447 transitions. [2024-11-28 02:39:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 02:39:03,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:03,511 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:03,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 02:39:03,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:03,711 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:03,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:03,711 INFO L85 PathProgramCache]: Analyzing trace with hash -145310323, now seen corresponding path program 1 times [2024-11-28 02:39:03,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:03,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369704273] [2024-11-28 02:39:03,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:03,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:39:03,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:03,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369704273] [2024-11-28 02:39:03,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369704273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:03,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372969125] [2024-11-28 02:39:03,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:03,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:03,839 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:03,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 02:39:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:03,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:39:03,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:39:03,947 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:03,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372969125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:03,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:03,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-28 02:39:03,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587832618] [2024-11-28 02:39:03,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:03,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:39:03,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:03,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:39:03,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:03,948 INFO L87 Difference]: Start difference. First operand 332 states and 447 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:04,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:04,076 INFO L93 Difference]: Finished difference Result 373 states and 465 transitions. [2024-11-28 02:39:04,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:39:04,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-28 02:39:04,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:04,078 INFO L225 Difference]: With dead ends: 373 [2024-11-28 02:39:04,078 INFO L226 Difference]: Without dead ends: 369 [2024-11-28 02:39:04,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:04,079 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 81 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:04,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:04,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-28 02:39:04,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2024-11-28 02:39:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6234817813765183) internal successors, (401), 308 states have internal predecessors, (401), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:04,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 445 transitions. [2024-11-28 02:39:04,101 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 445 transitions. Word has length 46 [2024-11-28 02:39:04,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:04,102 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 445 transitions. [2024-11-28 02:39:04,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 445 transitions. [2024-11-28 02:39:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 02:39:04,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:04,103 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:04,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:04,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 02:39:04,303 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:04,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:04,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2090707119, now seen corresponding path program 1 times [2024-11-28 02:39:04,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:04,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128508346] [2024-11-28 02:39:04,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:39:04,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:04,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128508346] [2024-11-28 02:39:04,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128508346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:04,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874778959] [2024-11-28 02:39:04,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:04,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:04,419 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:04,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 02:39:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:04,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:04,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:39:04,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:04,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874778959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:04,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:04,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:39:04,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492288738] [2024-11-28 02:39:04,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:04,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:04,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:04,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:04,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:04,558 INFO L87 Difference]: Start difference. First operand 334 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:04,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:04,903 INFO L93 Difference]: Finished difference Result 371 states and 459 transitions. [2024-11-28 02:39:04,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:04,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-28 02:39:04,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:04,906 INFO L225 Difference]: With dead ends: 371 [2024-11-28 02:39:04,906 INFO L226 Difference]: Without dead ends: 369 [2024-11-28 02:39:04,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:04,907 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 88 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:04,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 385 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:39:04,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-28 02:39:04,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 335. [2024-11-28 02:39:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 248 states have (on average 1.6129032258064515) internal successors, (400), 309 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 444 transitions. [2024-11-28 02:39:04,941 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 444 transitions. Word has length 48 [2024-11-28 02:39:04,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:04,942 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 444 transitions. [2024-11-28 02:39:04,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 444 transitions. [2024-11-28 02:39:04,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 02:39:04,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:04,943 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:04,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 02:39:05,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:05,143 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:05,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:05,144 INFO L85 PathProgramCache]: Analyzing trace with hash 387411464, now seen corresponding path program 1 times [2024-11-28 02:39:05,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:05,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774066362] [2024-11-28 02:39:05,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:05,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 02:39:05,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:05,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774066362] [2024-11-28 02:39:05,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774066362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:05,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138815326] [2024-11-28 02:39:05,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:05,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:05,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:05,236 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:05,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 02:39:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:05,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:05,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 02:39:05,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:05,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138815326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:05,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:05,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-28 02:39:05,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095263768] [2024-11-28 02:39:05,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:05,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:05,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:05,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:05,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:05,480 INFO L87 Difference]: Start difference. First operand 335 states and 444 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:05,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:05,798 INFO L93 Difference]: Finished difference Result 371 states and 456 transitions. [2024-11-28 02:39:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:05,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-28 02:39:05,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:05,800 INFO L225 Difference]: With dead ends: 371 [2024-11-28 02:39:05,800 INFO L226 Difference]: Without dead ends: 352 [2024-11-28 02:39:05,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:05,801 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:05,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 313 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:39:05,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-28 02:39:05,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 319. [2024-11-28 02:39:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6367521367521367) internal successors, (383), 295 states have internal predecessors, (383), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2024-11-28 02:39:05,823 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 49 [2024-11-28 02:39:05,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:05,823 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2024-11-28 02:39:05,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:39:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2024-11-28 02:39:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 02:39:05,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:05,824 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:05,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 02:39:06,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:06,025 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:06,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:06,025 INFO L85 PathProgramCache]: Analyzing trace with hash -391410431, now seen corresponding path program 1 times [2024-11-28 02:39:06,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:06,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486688750] [2024-11-28 02:39:06,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:06,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:06,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688305812] [2024-11-28 02:39:06,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:06,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:06,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:06,048 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:06,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 02:39:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:06,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:06,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 02:39:06,274 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:06,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:06,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486688750] [2024-11-28 02:39:06,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:06,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688305812] [2024-11-28 02:39:06,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688305812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:06,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:06,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:06,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078957648] [2024-11-28 02:39:06,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:06,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:06,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:06,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:06,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:06,276 INFO L87 Difference]: Start difference. First operand 319 states and 425 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 02:39:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:06,519 INFO L93 Difference]: Finished difference Result 344 states and 446 transitions. [2024-11-28 02:39:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:06,520 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 60 [2024-11-28 02:39:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:06,521 INFO L225 Difference]: With dead ends: 344 [2024-11-28 02:39:06,522 INFO L226 Difference]: Without dead ends: 343 [2024-11-28 02:39:06,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:06,523 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 219 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:06,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 170 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:06,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-28 02:39:06,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 319. [2024-11-28 02:39:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6324786324786325) internal successors, (382), 295 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 424 transitions. [2024-11-28 02:39:06,544 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 424 transitions. Word has length 60 [2024-11-28 02:39:06,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:06,544 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 424 transitions. [2024-11-28 02:39:06,544 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-28 02:39:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2024-11-28 02:39:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 02:39:06,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:06,545 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:06,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 02:39:06,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:06,746 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:06,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1326196324, now seen corresponding path program 1 times [2024-11-28 02:39:06,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:06,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987484330] [2024-11-28 02:39:06,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:06,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:06,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191931100] [2024-11-28 02:39:06,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:06,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:06,766 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:06,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 02:39:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:06,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:39:06,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 02:39:07,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:07,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:07,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987484330] [2024-11-28 02:39:07,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:07,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191931100] [2024-11-28 02:39:07,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191931100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:07,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:07,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:07,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759064224] [2024-11-28 02:39:07,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:07,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:07,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:07,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:07,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:07,122 INFO L87 Difference]: Start difference. First operand 319 states and 424 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:07,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:07,501 INFO L93 Difference]: Finished difference Result 346 states and 445 transitions. [2024-11-28 02:39:07,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:07,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2024-11-28 02:39:07,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:07,504 INFO L225 Difference]: With dead ends: 346 [2024-11-28 02:39:07,504 INFO L226 Difference]: Without dead ends: 345 [2024-11-28 02:39:07,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:07,506 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 46 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:07,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 344 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:39:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-28 02:39:07,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-28 02:39:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.623931623931624) internal successors, (380), 295 states have internal predecessors, (380), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2024-11-28 02:39:07,525 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 70 [2024-11-28 02:39:07,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:07,526 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2024-11-28 02:39:07,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:07,526 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2024-11-28 02:39:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 02:39:07,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:07,527 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:07,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 02:39:07,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:07,727 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:07,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:07,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1837586795, now seen corresponding path program 1 times [2024-11-28 02:39:07,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:07,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972703273] [2024-11-28 02:39:07,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:07,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611173341] [2024-11-28 02:39:07,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:07,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:07,748 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:07,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 02:39:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:07,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:39:07,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 02:39:09,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:09,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:09,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972703273] [2024-11-28 02:39:09,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:09,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611173341] [2024-11-28 02:39:09,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611173341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:09,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:09,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:09,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700701629] [2024-11-28 02:39:09,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:09,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:09,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:09,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:09,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-28 02:39:09,657 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:13,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:39:15,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:39:16,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:39:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:17,244 INFO L93 Difference]: Finished difference Result 346 states and 443 transitions. [2024-11-28 02:39:17,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:17,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-11-28 02:39:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:17,247 INFO L225 Difference]: With dead ends: 346 [2024-11-28 02:39:17,247 INFO L226 Difference]: Without dead ends: 345 [2024-11-28 02:39:17,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-28 02:39:17,247 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:17,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 342 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2024-11-28 02:39:17,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-28 02:39:17,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-28 02:39:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6153846153846154) internal successors, (378), 295 states have internal predecessors, (378), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2024-11-28 02:39:17,272 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 71 [2024-11-28 02:39:17,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:17,273 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2024-11-28 02:39:17,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2024-11-28 02:39:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 02:39:17,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:17,274 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:17,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:17,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 02:39:17,479 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:17,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:17,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1130615674, now seen corresponding path program 1 times [2024-11-28 02:39:17,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:17,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088658848] [2024-11-28 02:39:17,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:17,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:17,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868016072] [2024-11-28 02:39:17,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:17,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:17,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:17,505 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:17,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 02:39:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:17,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:17,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 02:39:17,658 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:17,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:17,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088658848] [2024-11-28 02:39:17,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:17,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868016072] [2024-11-28 02:39:17,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868016072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:17,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:17,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:17,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416809647] [2024-11-28 02:39:17,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:17,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:17,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:17,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:17,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:17,660 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:18,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:18,096 INFO L93 Difference]: Finished difference Result 339 states and 431 transitions. [2024-11-28 02:39:18,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:18,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-11-28 02:39:18,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:18,099 INFO L225 Difference]: With dead ends: 339 [2024-11-28 02:39:18,099 INFO L226 Difference]: Without dead ends: 337 [2024-11-28 02:39:18,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:18,099 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 60 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:18,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 345 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:39:18,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-28 02:39:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-28 02:39:18,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5982905982905984) internal successors, (374), 295 states have internal predecessors, (374), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 416 transitions. [2024-11-28 02:39:18,123 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 416 transitions. Word has length 72 [2024-11-28 02:39:18,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:18,124 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 416 transitions. [2024-11-28 02:39:18,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:18,124 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 416 transitions. [2024-11-28 02:39:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 02:39:18,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:18,125 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:18,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-28 02:39:18,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-28 02:39:18,325 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:18,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash -689347401, now seen corresponding path program 1 times [2024-11-28 02:39:18,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:18,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447291732] [2024-11-28 02:39:18,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:18,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:18,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465621909] [2024-11-28 02:39:18,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:18,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:18,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:18,348 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:18,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 02:39:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:18,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:18,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-28 02:39:18,535 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:18,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:18,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447291732] [2024-11-28 02:39:18,535 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:18,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465621909] [2024-11-28 02:39:18,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465621909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:18,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:18,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:18,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342410972] [2024-11-28 02:39:18,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:18,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:18,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:18,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:18,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:18,537 INFO L87 Difference]: Start difference. First operand 319 states and 416 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:19,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:19,039 INFO L93 Difference]: Finished difference Result 339 states and 427 transitions. [2024-11-28 02:39:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:19,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-28 02:39:19,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:19,042 INFO L225 Difference]: With dead ends: 339 [2024-11-28 02:39:19,042 INFO L226 Difference]: Without dead ends: 337 [2024-11-28 02:39:19,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:19,042 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 97 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:19,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 285 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:39:19,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-28 02:39:19,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-28 02:39:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5811965811965811) internal successors, (370), 295 states have internal predecessors, (370), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2024-11-28 02:39:19,063 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 73 [2024-11-28 02:39:19,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:19,063 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2024-11-28 02:39:19,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2024-11-28 02:39:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 02:39:19,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:19,064 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:19,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:19,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 02:39:19,265 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:19,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:19,266 INFO L85 PathProgramCache]: Analyzing trace with hash -153731348, now seen corresponding path program 1 times [2024-11-28 02:39:19,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:19,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366623695] [2024-11-28 02:39:19,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:19,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:19,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1591030095] [2024-11-28 02:39:19,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:19,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:19,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:19,284 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:19,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 02:39:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:19,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:39:19,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 02:39:19,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 02:39:19,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366623695] [2024-11-28 02:39:19,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591030095] [2024-11-28 02:39:19,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591030095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:19,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:19,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-28 02:39:19,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852073145] [2024-11-28 02:39:19,892 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:19,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:39:19,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:19,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:39:19,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:39:19,893 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 02:39:20,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:20,782 INFO L93 Difference]: Finished difference Result 340 states and 414 transitions. [2024-11-28 02:39:20,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:20,782 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 78 [2024-11-28 02:39:20,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:20,784 INFO L225 Difference]: With dead ends: 340 [2024-11-28 02:39:20,784 INFO L226 Difference]: Without dead ends: 339 [2024-11-28 02:39:20,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:20,785 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 210 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:20,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 350 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:39:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-28 02:39:20,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-28 02:39:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5683760683760684) internal successors, (367), 295 states have internal predecessors, (367), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:20,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 409 transitions. [2024-11-28 02:39:20,820 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 409 transitions. Word has length 78 [2024-11-28 02:39:20,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:20,821 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 409 transitions. [2024-11-28 02:39:20,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 02:39:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 409 transitions. [2024-11-28 02:39:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:39:20,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:20,825 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:20,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:21,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 02:39:21,025 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:21,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:21,026 INFO L85 PathProgramCache]: Analyzing trace with hash -470704355, now seen corresponding path program 1 times [2024-11-28 02:39:21,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:21,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402431714] [2024-11-28 02:39:21,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:21,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:21,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280587935] [2024-11-28 02:39:21,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:21,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:21,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:21,048 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:21,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 02:39:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:21,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:39:21,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 02:39:21,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 02:39:22,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402431714] [2024-11-28 02:39:22,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:22,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280587935] [2024-11-28 02:39:22,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280587935] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:22,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:22,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 02:39:22,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625703107] [2024-11-28 02:39:22,218 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:22,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:39:22,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:22,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:39:22,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:22,221 INFO L87 Difference]: Start difference. First operand 319 states and 409 transitions. Second operand has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-28 02:39:23,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:23,498 INFO L93 Difference]: Finished difference Result 340 states and 411 transitions. [2024-11-28 02:39:23,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:39:23,499 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 79 [2024-11-28 02:39:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:23,500 INFO L225 Difference]: With dead ends: 340 [2024-11-28 02:39:23,500 INFO L226 Difference]: Without dead ends: 339 [2024-11-28 02:39:23,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:39:23,501 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 459 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:23,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 433 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:39:23,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-28 02:39:23,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-28 02:39:23,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5555555555555556) internal successors, (364), 295 states have internal predecessors, (364), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 406 transitions. [2024-11-28 02:39:23,522 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 406 transitions. Word has length 79 [2024-11-28 02:39:23,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:23,522 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 406 transitions. [2024-11-28 02:39:23,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-28 02:39:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 406 transitions. [2024-11-28 02:39:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:39:23,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:23,523 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:23,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:23,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 02:39:23,724 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:23,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:23,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1706932978, now seen corresponding path program 1 times [2024-11-28 02:39:23,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:23,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006222205] [2024-11-28 02:39:23,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:23,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:23,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392488681] [2024-11-28 02:39:23,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:23,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:23,747 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:23,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 02:39:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:23,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:39:23,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 02:39:24,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:24,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:24,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006222205] [2024-11-28 02:39:24,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:24,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392488681] [2024-11-28 02:39:24,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392488681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:24,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:24,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 02:39:24,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937655908] [2024-11-28 02:39:24,831 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:24,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:39:24,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:24,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:39:24,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:24,832 INFO L87 Difference]: Start difference. First operand 319 states and 406 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:25,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:25,538 INFO L93 Difference]: Finished difference Result 338 states and 417 transitions. [2024-11-28 02:39:25,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:39:25,538 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-28 02:39:25,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:25,540 INFO L225 Difference]: With dead ends: 338 [2024-11-28 02:39:25,541 INFO L226 Difference]: Without dead ends: 335 [2024-11-28 02:39:25,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:25,541 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 190 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:25,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 400 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:39:25,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-28 02:39:25,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 319. [2024-11-28 02:39:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 295 states have internal predecessors, (358), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2024-11-28 02:39:25,563 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 80 [2024-11-28 02:39:25,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:25,563 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2024-11-28 02:39:25,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2024-11-28 02:39:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 02:39:25,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:25,565 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:25,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-28 02:39:25,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 02:39:25,769 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:25,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:25,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1375314625, now seen corresponding path program 1 times [2024-11-28 02:39:25,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:25,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184182530] [2024-11-28 02:39:25,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:25,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [631008964] [2024-11-28 02:39:25,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:25,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:25,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:25,787 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:25,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 02:39:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:25,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:39:25,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:26,717 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 02:39:26,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:26,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:26,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184182530] [2024-11-28 02:39:26,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:26,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631008964] [2024-11-28 02:39:26,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631008964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:26,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:26,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 02:39:26,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799634836] [2024-11-28 02:39:26,868 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:26,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:39:26,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:26,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:39:26,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:26,869 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:27,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:27,426 INFO L93 Difference]: Finished difference Result 326 states and 401 transitions. [2024-11-28 02:39:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:27,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-28 02:39:27,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:27,429 INFO L225 Difference]: With dead ends: 326 [2024-11-28 02:39:27,429 INFO L226 Difference]: Without dead ends: 323 [2024-11-28 02:39:27,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:27,430 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 134 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:27,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 301 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:39:27,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-28 02:39:27,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2024-11-28 02:39:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5042735042735043) internal successors, (352), 295 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 394 transitions. [2024-11-28 02:39:27,451 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 394 transitions. Word has length 81 [2024-11-28 02:39:27,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:27,452 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 394 transitions. [2024-11-28 02:39:27,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 02:39:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 394 transitions. [2024-11-28 02:39:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 02:39:27,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:27,453 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:27,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:27,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 02:39:27,654 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:27,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:27,655 INFO L85 PathProgramCache]: Analyzing trace with hash 134547605, now seen corresponding path program 1 times [2024-11-28 02:39:27,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:27,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596538159] [2024-11-28 02:39:27,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:27,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:27,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:27,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596538159] [2024-11-28 02:39:27,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596538159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:27,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:27,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:39:27,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912093545] [2024-11-28 02:39:27,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:27,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:39:27,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:27,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:39:27,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:39:27,708 INFO L87 Difference]: Start difference. First operand 319 states and 394 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-28 02:39:27,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:27,805 INFO L93 Difference]: Finished difference Result 319 states and 394 transitions. [2024-11-28 02:39:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:39:27,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 94 [2024-11-28 02:39:27,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:27,808 INFO L225 Difference]: With dead ends: 319 [2024-11-28 02:39:27,808 INFO L226 Difference]: Without dead ends: 318 [2024-11-28 02:39:27,809 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 02:39:27,809 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:27,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 295 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:27,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-28 02:39:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-28 02:39:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.4871794871794872) internal successors, (348), 294 states have internal predecessors, (348), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 390 transitions. [2024-11-28 02:39:27,840 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 390 transitions. Word has length 94 [2024-11-28 02:39:27,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:27,841 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 390 transitions. [2024-11-28 02:39:27,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-28 02:39:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 390 transitions. [2024-11-28 02:39:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 02:39:27,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:27,842 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:27,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 02:39:27,842 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:27,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:27,843 INFO L85 PathProgramCache]: Analyzing trace with hash -123991378, now seen corresponding path program 1 times [2024-11-28 02:39:27,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:27,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845750670] [2024-11-28 02:39:27,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:27,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:27,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845750670] [2024-11-28 02:39:27,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845750670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:27,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:27,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:27,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499953979] [2024-11-28 02:39:27,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:27,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:27,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:27,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:27,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:27,959 INFO L87 Difference]: Start difference. First operand 318 states and 390 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:28,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:28,752 INFO L93 Difference]: Finished difference Result 326 states and 394 transitions. [2024-11-28 02:39:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:28,753 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2024-11-28 02:39:28,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:28,754 INFO L225 Difference]: With dead ends: 326 [2024-11-28 02:39:28,754 INFO L226 Difference]: Without dead ends: 325 [2024-11-28 02:39:28,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:28,755 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 298 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:28,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 218 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:39:28,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-28 02:39:28,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2024-11-28 02:39:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.482905982905983) internal successors, (347), 294 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2024-11-28 02:39:28,774 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 95 [2024-11-28 02:39:28,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:28,775 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2024-11-28 02:39:28,775 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2024-11-28 02:39:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 02:39:28,776 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:28,776 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:28,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 02:39:28,777 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:28,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:28,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1101836110, now seen corresponding path program 1 times [2024-11-28 02:39:28,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:28,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290062299] [2024-11-28 02:39:28,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:28,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290062299] [2024-11-28 02:39:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290062299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:28,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:28,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:28,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739203889] [2024-11-28 02:39:28,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:28,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:28,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:28,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:28,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:28,948 INFO L87 Difference]: Start difference. First operand 318 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:39:29,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:29,065 INFO L93 Difference]: Finished difference Result 334 states and 400 transitions. [2024-11-28 02:39:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:29,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2024-11-28 02:39:29,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:29,067 INFO L225 Difference]: With dead ends: 334 [2024-11-28 02:39:29,067 INFO L226 Difference]: Without dead ends: 333 [2024-11-28 02:39:29,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:29,068 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 16 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:29,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 449 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-28 02:39:29,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 323. [2024-11-28 02:39:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 239 states have (on average 1.4728033472803348) internal successors, (352), 299 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 394 transitions. [2024-11-28 02:39:29,097 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 394 transitions. Word has length 97 [2024-11-28 02:39:29,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:29,100 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 394 transitions. [2024-11-28 02:39:29,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:39:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 394 transitions. [2024-11-28 02:39:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 02:39:29,101 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:29,102 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:29,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 02:39:29,102 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:29,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:29,102 INFO L85 PathProgramCache]: Analyzing trace with hash -202818779, now seen corresponding path program 1 times [2024-11-28 02:39:29,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:29,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745465058] [2024-11-28 02:39:29,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:29,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:29,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347817051] [2024-11-28 02:39:29,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:29,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:29,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:29,135 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:29,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 02:39:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:29,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:39:29,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:29,434 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:29,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:29,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745465058] [2024-11-28 02:39:29,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:29,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347817051] [2024-11-28 02:39:29,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347817051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:29,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:29,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:29,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774977037] [2024-11-28 02:39:29,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:29,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:29,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:29,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:29,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:29,437 INFO L87 Difference]: Start difference. First operand 323 states and 394 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:39:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:29,714 INFO L93 Difference]: Finished difference Result 334 states and 398 transitions. [2024-11-28 02:39:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:29,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 98 [2024-11-28 02:39:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:29,716 INFO L225 Difference]: With dead ends: 334 [2024-11-28 02:39:29,716 INFO L226 Difference]: Without dead ends: 333 [2024-11-28 02:39:29,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 02:39:29,717 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 17 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:29,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 328 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:29,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-28 02:39:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2024-11-28 02:39:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 241 states have (on average 1.4688796680497926) internal successors, (354), 301 states have internal predecessors, (354), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:39:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 396 transitions. [2024-11-28 02:39:29,736 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 396 transitions. Word has length 98 [2024-11-28 02:39:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:29,736 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 396 transitions. [2024-11-28 02:39:29,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:39:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 396 transitions. [2024-11-28 02:39:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 02:39:29,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:29,737 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:29,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:29,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-28 02:39:29,942 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:29,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:29,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1269271094, now seen corresponding path program 1 times [2024-11-28 02:39:29,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:29,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532090044] [2024-11-28 02:39:29,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:29,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:30,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:30,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532090044] [2024-11-28 02:39:30,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532090044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:30,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846710939] [2024-11-28 02:39:30,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:30,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:30,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:30,068 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:30,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 02:39:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:30,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:39:30,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:30,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:30,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846710939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:30,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:39:30,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-28 02:39:30,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387795276] [2024-11-28 02:39:30,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:30,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:39:30,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:30,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:39:30,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:39:30,495 INFO L87 Difference]: Start difference. First operand 325 states and 396 transitions. Second operand has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 02:39:30,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:30,852 INFO L93 Difference]: Finished difference Result 820 states and 966 transitions. [2024-11-28 02:39:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 02:39:30,852 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 100 [2024-11-28 02:39:30,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:30,854 INFO L225 Difference]: With dead ends: 820 [2024-11-28 02:39:30,854 INFO L226 Difference]: Without dead ends: 618 [2024-11-28 02:39:30,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:39:30,856 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 323 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:30,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1213 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:30,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-28 02:39:30,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 517. [2024-11-28 02:39:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 416 states have (on average 1.4302884615384615) internal successors, (595), 477 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 663 transitions. [2024-11-28 02:39:30,903 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 663 transitions. Word has length 100 [2024-11-28 02:39:30,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:30,904 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 663 transitions. [2024-11-28 02:39:30,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 02:39:30,904 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 663 transitions. [2024-11-28 02:39:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 02:39:30,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:30,905 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:30,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:31,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-28 02:39:31,105 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:31,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:31,106 INFO L85 PathProgramCache]: Analyzing trace with hash 844920082, now seen corresponding path program 1 times [2024-11-28 02:39:31,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:31,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980068888] [2024-11-28 02:39:31,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:31,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:31,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:31,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980068888] [2024-11-28 02:39:31,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980068888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:31,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:31,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:31,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506182491] [2024-11-28 02:39:31,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:31,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:31,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:31,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:31,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:31,230 INFO L87 Difference]: Start difference. First operand 517 states and 663 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:39:31,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:31,378 INFO L93 Difference]: Finished difference Result 532 states and 671 transitions. [2024-11-28 02:39:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:31,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 101 [2024-11-28 02:39:31,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:31,381 INFO L225 Difference]: With dead ends: 532 [2024-11-28 02:39:31,381 INFO L226 Difference]: Without dead ends: 531 [2024-11-28 02:39:31,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:31,382 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:31,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 453 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:31,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-28 02:39:31,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 520. [2024-11-28 02:39:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.4295942720763724) internal successors, (599), 480 states have internal predecessors, (599), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 667 transitions. [2024-11-28 02:39:31,419 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 667 transitions. Word has length 101 [2024-11-28 02:39:31,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:31,419 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 667 transitions. [2024-11-28 02:39:31,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:39:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 667 transitions. [2024-11-28 02:39:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:39:31,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:31,422 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:31,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 02:39:31,422 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:31,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:31,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1188325, now seen corresponding path program 1 times [2024-11-28 02:39:31,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:31,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270196236] [2024-11-28 02:39:31,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:31,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:31,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033118251] [2024-11-28 02:39:31,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:31,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:31,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:31,458 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:31,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 02:39:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:31,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:39:31,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 02:39:31,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:31,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:31,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270196236] [2024-11-28 02:39:31,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:31,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033118251] [2024-11-28 02:39:31,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033118251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:31,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:31,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 02:39:31,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871306762] [2024-11-28 02:39:31,924 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:31,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:39:31,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:31,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:39:31,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:31,926 INFO L87 Difference]: Start difference. First operand 520 states and 667 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:32,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:32,524 INFO L93 Difference]: Finished difference Result 524 states and 667 transitions. [2024-11-28 02:39:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:39:32,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-28 02:39:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:32,527 INFO L225 Difference]: With dead ends: 524 [2024-11-28 02:39:32,527 INFO L226 Difference]: Without dead ends: 522 [2024-11-28 02:39:32,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:39:32,528 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 217 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:32,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 520 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:39:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-28 02:39:32,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 520. [2024-11-28 02:39:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.4152744630071599) internal successors, (593), 480 states have internal predecessors, (593), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 661 transitions. [2024-11-28 02:39:32,581 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 661 transitions. Word has length 102 [2024-11-28 02:39:32,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:32,581 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 661 transitions. [2024-11-28 02:39:32,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 661 transitions. [2024-11-28 02:39:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 02:39:32,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:32,584 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:32,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:32,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-28 02:39:32,787 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:32,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:32,788 INFO L85 PathProgramCache]: Analyzing trace with hash 422718953, now seen corresponding path program 1 times [2024-11-28 02:39:32,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:32,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831310567] [2024-11-28 02:39:32,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:32,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166574322] [2024-11-28 02:39:32,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:32,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:32,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:32,810 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:32,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 02:39:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:32,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:39:32,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:33,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:33,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:33,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831310567] [2024-11-28 02:39:33,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:33,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166574322] [2024-11-28 02:39:33,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166574322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:33,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:33,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:33,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285936052] [2024-11-28 02:39:33,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:33,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:33,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:33,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:33,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:33,158 INFO L87 Difference]: Start difference. First operand 520 states and 661 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:33,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:33,461 INFO L93 Difference]: Finished difference Result 529 states and 664 transitions. [2024-11-28 02:39:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:33,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-28 02:39:33,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:33,463 INFO L225 Difference]: With dead ends: 529 [2024-11-28 02:39:33,463 INFO L226 Difference]: Without dead ends: 528 [2024-11-28 02:39:33,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:33,464 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 62 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:33,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 534 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:39:33,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-28 02:39:33,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2024-11-28 02:39:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4133016627078385) internal successors, (595), 482 states have internal predecessors, (595), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 663 transitions. [2024-11-28 02:39:33,515 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 663 transitions. Word has length 102 [2024-11-28 02:39:33,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:33,516 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 663 transitions. [2024-11-28 02:39:33,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 663 transitions. [2024-11-28 02:39:33,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:39:33,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:33,518 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:33,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-28 02:39:33,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:33,718 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:33,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:33,719 INFO L85 PathProgramCache]: Analyzing trace with hash -36837993, now seen corresponding path program 1 times [2024-11-28 02:39:33,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:33,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204030187] [2024-11-28 02:39:33,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:33,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:33,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974237068] [2024-11-28 02:39:33,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:33,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:33,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:33,751 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:33,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-28 02:39:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:33,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:39:33,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 02:39:34,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:34,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:34,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204030187] [2024-11-28 02:39:34,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:34,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974237068] [2024-11-28 02:39:34,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974237068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:34,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:34,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 02:39:34,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488273912] [2024-11-28 02:39:34,447 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:34,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:39:34,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:34,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:39:34,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:34,448 INFO L87 Difference]: Start difference. First operand 522 states and 663 transitions. Second operand has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:35,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:35,001 INFO L93 Difference]: Finished difference Result 526 states and 663 transitions. [2024-11-28 02:39:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:39:35,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2024-11-28 02:39:35,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:35,004 INFO L225 Difference]: With dead ends: 526 [2024-11-28 02:39:35,004 INFO L226 Difference]: Without dead ends: 524 [2024-11-28 02:39:35,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:39:35,007 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 567 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:35,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 407 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:39:35,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-28 02:39:35,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 522. [2024-11-28 02:39:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.4085510688836105) internal successors, (593), 482 states have internal predecessors, (593), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 661 transitions. [2024-11-28 02:39:35,050 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 661 transitions. Word has length 103 [2024-11-28 02:39:35,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:35,050 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 661 transitions. [2024-11-28 02:39:35,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 661 transitions. [2024-11-28 02:39:35,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 02:39:35,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:35,051 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:35,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-28 02:39:35,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-28 02:39:35,255 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:35,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1141977699, now seen corresponding path program 1 times [2024-11-28 02:39:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:35,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720830097] [2024-11-28 02:39:35,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:35,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:35,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720830097] [2024-11-28 02:39:35,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720830097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:35,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:35,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:35,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925613403] [2024-11-28 02:39:35,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:35,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:35,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:35,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:35,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:35,352 INFO L87 Difference]: Start difference. First operand 522 states and 661 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-28 02:39:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:35,782 INFO L93 Difference]: Finished difference Result 557 states and 664 transitions. [2024-11-28 02:39:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:35,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 104 [2024-11-28 02:39:35,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:35,785 INFO L225 Difference]: With dead ends: 557 [2024-11-28 02:39:35,785 INFO L226 Difference]: Without dead ends: 556 [2024-11-28 02:39:35,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:35,786 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 135 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:35,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 592 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:39:35,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-28 02:39:35,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 522. [2024-11-28 02:39:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3990498812351544) internal successors, (589), 482 states have internal predecessors, (589), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 657 transitions. [2024-11-28 02:39:35,825 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 657 transitions. Word has length 104 [2024-11-28 02:39:35,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:35,825 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 657 transitions. [2024-11-28 02:39:35,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-28 02:39:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 657 transitions. [2024-11-28 02:39:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 02:39:35,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:35,827 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:35,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 02:39:35,827 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:35,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:35,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1041570215, now seen corresponding path program 1 times [2024-11-28 02:39:35,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:35,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812210546] [2024-11-28 02:39:35,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:35,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881353739] [2024-11-28 02:39:35,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:35,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:35,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:35,848 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:35,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-28 02:39:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:35,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 02:39:35,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:36,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-28 02:39:36,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:36,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812210546] [2024-11-28 02:39:36,446 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:36,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881353739] [2024-11-28 02:39:36,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881353739] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:36,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:36,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-28 02:39:36,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277259189] [2024-11-28 02:39:36,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:36,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:36,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:36,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:36,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:36,448 INFO L87 Difference]: Start difference. First operand 522 states and 657 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:37,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:37,240 INFO L93 Difference]: Finished difference Result 529 states and 658 transitions. [2024-11-28 02:39:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:39:37,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 105 [2024-11-28 02:39:37,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:37,243 INFO L225 Difference]: With dead ends: 529 [2024-11-28 02:39:37,243 INFO L226 Difference]: Without dead ends: 528 [2024-11-28 02:39:37,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:39:37,243 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 250 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:37,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 319 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:39:37,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-28 02:39:37,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 522. [2024-11-28 02:39:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 421 states have (on average 1.3895486935866983) internal successors, (585), 482 states have internal predecessors, (585), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 02:39:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 653 transitions. [2024-11-28 02:39:37,296 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 653 transitions. Word has length 105 [2024-11-28 02:39:37,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:37,296 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 653 transitions. [2024-11-28 02:39:37,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 653 transitions. [2024-11-28 02:39:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 02:39:37,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:37,298 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:37,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:37,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-28 02:39:37,498 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:37,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:37,499 INFO L85 PathProgramCache]: Analyzing trace with hash 814061840, now seen corresponding path program 1 times [2024-11-28 02:39:37,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:37,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447028126] [2024-11-28 02:39:37,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:37,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:37,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:37,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447028126] [2024-11-28 02:39:37,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447028126] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:37,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971182394] [2024-11-28 02:39:37,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:37,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:37,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:37,629 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:37,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-28 02:39:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:37,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:39:37,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:37,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:38,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971182394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:38,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:39:38,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-28 02:39:38,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2946365] [2024-11-28 02:39:38,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:38,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:39:38,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:38,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:39:38,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:39:38,044 INFO L87 Difference]: Start difference. First operand 522 states and 653 transitions. Second operand has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 02:39:38,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:38,321 INFO L93 Difference]: Finished difference Result 874 states and 1064 transitions. [2024-11-28 02:39:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:39:38,321 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 107 [2024-11-28 02:39:38,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:38,324 INFO L225 Difference]: With dead ends: 874 [2024-11-28 02:39:38,325 INFO L226 Difference]: Without dead ends: 666 [2024-11-28 02:39:38,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:39:38,327 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 120 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:38,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1354 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:38,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-28 02:39:38,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 589. [2024-11-28 02:39:38,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 483 states have (on average 1.4202898550724639) internal successors, (686), 544 states have internal predecessors, (686), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 02:39:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 762 transitions. [2024-11-28 02:39:38,382 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 762 transitions. Word has length 107 [2024-11-28 02:39:38,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:38,383 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 762 transitions. [2024-11-28 02:39:38,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.357142857142858) internal successors, (145), 14 states have internal predecessors, (145), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 02:39:38,383 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 762 transitions. [2024-11-28 02:39:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:39:38,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:38,385 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:38,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-28 02:39:38,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:38,589 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:38,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:38,589 INFO L85 PathProgramCache]: Analyzing trace with hash -533892496, now seen corresponding path program 1 times [2024-11-28 02:39:38,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:38,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388910025] [2024-11-28 02:39:38,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:38,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 02:39:38,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:38,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388910025] [2024-11-28 02:39:38,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388910025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:38,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980562617] [2024-11-28 02:39:38,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:38,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:38,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:38,768 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:38,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-28 02:39:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:38,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:39:38,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 02:39:38,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 02:39:39,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980562617] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:39,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:39:39,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-28 02:39:39,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578167742] [2024-11-28 02:39:39,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:39,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:39:39,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:39,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:39:39,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:39:39,157 INFO L87 Difference]: Start difference. First operand 589 states and 762 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 02:39:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:40,342 INFO L93 Difference]: Finished difference Result 1225 states and 1514 transitions. [2024-11-28 02:39:40,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:39:40,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-11-28 02:39:40,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:40,344 INFO L225 Difference]: With dead ends: 1225 [2024-11-28 02:39:40,344 INFO L226 Difference]: Without dead ends: 1185 [2024-11-28 02:39:40,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 211 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:39:40,345 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 860 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:40,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 805 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:39:40,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2024-11-28 02:39:40,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 833. [2024-11-28 02:39:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 711 states have (on average 1.5316455696202531) internal successors, (1089), 772 states have internal predecessors, (1089), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 02:39:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1197 transitions. [2024-11-28 02:39:40,436 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1197 transitions. Word has length 108 [2024-11-28 02:39:40,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:40,437 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1197 transitions. [2024-11-28 02:39:40,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-28 02:39:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1197 transitions. [2024-11-28 02:39:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:39:40,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:40,439 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:40,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-28 02:39:40,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:40,642 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:40,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:40,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1588286757, now seen corresponding path program 1 times [2024-11-28 02:39:40,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:40,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109230443] [2024-11-28 02:39:40,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-28 02:39:40,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:40,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109230443] [2024-11-28 02:39:40,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109230443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:40,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126552445] [2024-11-28 02:39:40,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:40,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:40,889 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:40,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-28 02:39:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:40,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:39:40,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:41,183 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:41,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126552445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:41,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:41,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-28 02:39:41,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617937031] [2024-11-28 02:39:41,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:41,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:39:41,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:41,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:39:41,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:39:41,186 INFO L87 Difference]: Start difference. First operand 833 states and 1197 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:42,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:42,818 INFO L93 Difference]: Finished difference Result 1476 states and 1986 transitions. [2024-11-28 02:39:42,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:39:42,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 114 [2024-11-28 02:39:42,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:42,822 INFO L225 Difference]: With dead ends: 1476 [2024-11-28 02:39:42,822 INFO L226 Difference]: Without dead ends: 1475 [2024-11-28 02:39:42,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2024-11-28 02:39:42,824 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 1028 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:42,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1038 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:39:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-11-28 02:39:42,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1070. [2024-11-28 02:39:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 932 states have (on average 1.590128755364807) internal successors, (1482), 993 states have internal predecessors, (1482), 70 states have call successors, (70), 7 states have call predecessors, (70), 7 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-28 02:39:42,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1622 transitions. [2024-11-28 02:39:42,908 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1622 transitions. Word has length 114 [2024-11-28 02:39:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:42,910 INFO L471 AbstractCegarLoop]: Abstraction has 1070 states and 1622 transitions. [2024-11-28 02:39:42,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-28 02:39:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1622 transitions. [2024-11-28 02:39:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 02:39:42,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:42,912 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:42,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-28 02:39:43,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-28 02:39:43,113 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:43,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:43,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1992249125, now seen corresponding path program 1 times [2024-11-28 02:39:43,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:43,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652651878] [2024-11-28 02:39:43,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:43,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:43,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [484225022] [2024-11-28 02:39:43,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:43,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:43,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:43,134 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:43,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-28 02:39:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:43,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:39:43,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:43,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 02:39:43,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:43,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652651878] [2024-11-28 02:39:43,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:43,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484225022] [2024-11-28 02:39:43,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484225022] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:39:43,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:39:43,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 02:39:43,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704921299] [2024-11-28 02:39:43,562 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:43,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:39:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:43,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:39:43,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:43,563 INFO L87 Difference]: Start difference. First operand 1070 states and 1622 transitions. Second operand has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 02:39:44,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:44,420 INFO L93 Difference]: Finished difference Result 1535 states and 2281 transitions. [2024-11-28 02:39:44,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:39:44,420 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2024-11-28 02:39:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:44,427 INFO L225 Difference]: With dead ends: 1535 [2024-11-28 02:39:44,427 INFO L226 Difference]: Without dead ends: 1534 [2024-11-28 02:39:44,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:39:44,429 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 1051 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:44,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 704 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:39:44,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2024-11-28 02:39:44,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1247. [2024-11-28 02:39:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1097 states have (on average 1.6125797629899727) internal successors, (1769), 1158 states have internal predecessors, (1769), 82 states have call successors, (82), 7 states have call predecessors, (82), 7 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 02:39:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1933 transitions. [2024-11-28 02:39:44,516 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1933 transitions. Word has length 115 [2024-11-28 02:39:44,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:44,516 INFO L471 AbstractCegarLoop]: Abstraction has 1247 states and 1933 transitions. [2024-11-28 02:39:44,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 02:39:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1933 transitions. [2024-11-28 02:39:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 02:39:44,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:44,518 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:44,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-28 02:39:44,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-28 02:39:44,719 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:44,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:44,720 INFO L85 PathProgramCache]: Analyzing trace with hash -656216696, now seen corresponding path program 1 times [2024-11-28 02:39:44,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:44,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141880832] [2024-11-28 02:39:44,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:44,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:44,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20994371] [2024-11-28 02:39:44,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:44,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:44,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:44,741 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:44,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-28 02:39:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:44,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:39:44,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 02:39:45,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:45,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141880832] [2024-11-28 02:39:45,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:45,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20994371] [2024-11-28 02:39:45,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20994371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:45,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:45,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 02:39:45,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372603285] [2024-11-28 02:39:45,577 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:45,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:39:45,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:45,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:39:45,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:39:45,579 INFO L87 Difference]: Start difference. First operand 1247 states and 1933 transitions. Second operand has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 02:39:46,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:46,455 INFO L93 Difference]: Finished difference Result 1328 states and 2033 transitions. [2024-11-28 02:39:46,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:39:46,456 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 121 [2024-11-28 02:39:46,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:46,461 INFO L225 Difference]: With dead ends: 1328 [2024-11-28 02:39:46,461 INFO L226 Difference]: Without dead ends: 1327 [2024-11-28 02:39:46,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:39:46,462 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 614 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:46,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 532 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:39:46,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-28 02:39:46,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1296. [2024-11-28 02:39:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1142 states have (on average 1.6199649737302977) internal successors, (1850), 1203 states have internal predecessors, (1850), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-28 02:39:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 2022 transitions. [2024-11-28 02:39:46,550 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 2022 transitions. Word has length 121 [2024-11-28 02:39:46,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:46,551 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 2022 transitions. [2024-11-28 02:39:46,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 02:39:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 2022 transitions. [2024-11-28 02:39:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:39:46,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:46,552 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:46,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-28 02:39:46,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:46,753 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:46,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:46,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1132118995, now seen corresponding path program 1 times [2024-11-28 02:39:46,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:46,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406437847] [2024-11-28 02:39:46,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:46,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:46,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275179770] [2024-11-28 02:39:46,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:46,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:46,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:46,785 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:46,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-28 02:39:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:46,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:39:46,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 02:39:47,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:47,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406437847] [2024-11-28 02:39:47,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275179770] [2024-11-28 02:39:47,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275179770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:47,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:47,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 02:39:47,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582125715] [2024-11-28 02:39:47,856 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:47,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:39:47,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:47,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:39:47,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:39:47,857 INFO L87 Difference]: Start difference. First operand 1296 states and 2022 transitions. Second operand has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 02:39:48,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:48,728 INFO L93 Difference]: Finished difference Result 1328 states and 2031 transitions. [2024-11-28 02:39:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:39:48,728 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 122 [2024-11-28 02:39:48,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:48,731 INFO L225 Difference]: With dead ends: 1328 [2024-11-28 02:39:48,731 INFO L226 Difference]: Without dead ends: 1327 [2024-11-28 02:39:48,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:39:48,732 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 612 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:48,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 532 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:39:48,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-28 02:39:48,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1296. [2024-11-28 02:39:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1142 states have (on average 1.618213660245184) internal successors, (1848), 1203 states have internal predecessors, (1848), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-28 02:39:48,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 2020 transitions. [2024-11-28 02:39:48,793 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 2020 transitions. Word has length 122 [2024-11-28 02:39:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:48,793 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 2020 transitions. [2024-11-28 02:39:48,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-28 02:39:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 2020 transitions. [2024-11-28 02:39:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 02:39:48,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:48,794 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:48,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:48,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:48,995 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:48,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 735950570, now seen corresponding path program 1 times [2024-11-28 02:39:48,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:48,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043191837] [2024-11-28 02:39:48,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:48,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:49,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742696960] [2024-11-28 02:39:49,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:49,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:49,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:49,021 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:49,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-28 02:39:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:49,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:39:49,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 02:39:49,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:49,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:49,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043191837] [2024-11-28 02:39:49,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:49,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742696960] [2024-11-28 02:39:49,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742696960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:49,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:49,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 02:39:49,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717059969] [2024-11-28 02:39:49,604 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:49,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:39:49,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:49,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:39:49,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:49,605 INFO L87 Difference]: Start difference. First operand 1296 states and 2020 transitions. Second operand has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 02:39:50,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:50,054 INFO L93 Difference]: Finished difference Result 1451 states and 2239 transitions. [2024-11-28 02:39:50,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:39:50,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2024-11-28 02:39:50,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:50,060 INFO L225 Difference]: With dead ends: 1451 [2024-11-28 02:39:50,061 INFO L226 Difference]: Without dead ends: 1449 [2024-11-28 02:39:50,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:50,062 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 335 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:50,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 466 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:39:50,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-28 02:39:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1408. [2024-11-28 02:39:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1245 states have (on average 1.6313253012048192) internal successors, (2031), 1306 states have internal predecessors, (2031), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-28 02:39:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2221 transitions. [2024-11-28 02:39:50,139 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2221 transitions. Word has length 123 [2024-11-28 02:39:50,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:50,139 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 2221 transitions. [2024-11-28 02:39:50,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 02:39:50,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2221 transitions. [2024-11-28 02:39:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 02:39:50,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:50,140 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:50,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:50,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-28 02:39:50,340 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:50,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:50,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1339631285, now seen corresponding path program 1 times [2024-11-28 02:39:50,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:50,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012847129] [2024-11-28 02:39:50,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:50,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:50,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019621994] [2024-11-28 02:39:50,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:50,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:50,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:50,369 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:50,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-28 02:39:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:50,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:39:50,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 02:39:50,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:51,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:51,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012847129] [2024-11-28 02:39:51,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:51,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019621994] [2024-11-28 02:39:51,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019621994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:51,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:51,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 02:39:51,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382595938] [2024-11-28 02:39:51,172 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:51,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:39:51,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:51,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:39:51,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:51,173 INFO L87 Difference]: Start difference. First operand 1408 states and 2221 transitions. Second operand has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 02:39:51,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:51,719 INFO L93 Difference]: Finished difference Result 1451 states and 2233 transitions. [2024-11-28 02:39:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:39:51,720 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 124 [2024-11-28 02:39:51,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:51,725 INFO L225 Difference]: With dead ends: 1451 [2024-11-28 02:39:51,725 INFO L226 Difference]: Without dead ends: 1449 [2024-11-28 02:39:51,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:51,727 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 280 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:51,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 627 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:39:51,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-28 02:39:51,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1409. [2024-11-28 02:39:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 1246 states have (on average 1.6268057784911718) internal successors, (2027), 1307 states have internal predecessors, (2027), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-28 02:39:51,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 2217 transitions. [2024-11-28 02:39:51,836 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 2217 transitions. Word has length 124 [2024-11-28 02:39:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:51,837 INFO L471 AbstractCegarLoop]: Abstraction has 1409 states and 2217 transitions. [2024-11-28 02:39:51,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-28 02:39:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2217 transitions. [2024-11-28 02:39:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 02:39:51,839 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:51,839 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:51,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-28 02:39:52,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-28 02:39:52,040 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:52,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:52,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1421103028, now seen corresponding path program 1 times [2024-11-28 02:39:52,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:52,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496260522] [2024-11-28 02:39:52,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:52,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:52,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [13052073] [2024-11-28 02:39:52,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:52,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:52,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:52,071 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:52,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-28 02:39:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:52,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:39:52,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:52,455 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-28 02:39:52,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:52,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:52,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496260522] [2024-11-28 02:39:52,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:52,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13052073] [2024-11-28 02:39:52,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13052073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:52,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:52,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 02:39:52,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593257823] [2024-11-28 02:39:52,557 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:39:52,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:39:52,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:52,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:39:52,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:52,557 INFO L87 Difference]: Start difference. First operand 1409 states and 2217 transitions. Second operand has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 02:39:53,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:53,211 INFO L93 Difference]: Finished difference Result 1467 states and 2250 transitions. [2024-11-28 02:39:53,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:39:53,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 125 [2024-11-28 02:39:53,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:53,220 INFO L225 Difference]: With dead ends: 1467 [2024-11-28 02:39:53,220 INFO L226 Difference]: Without dead ends: 1463 [2024-11-28 02:39:53,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:53,221 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 275 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:53,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 613 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:39:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2024-11-28 02:39:53,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1412. [2024-11-28 02:39:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1249 states have (on average 1.6196957566052843) internal successors, (2023), 1310 states have internal predecessors, (2023), 95 states have call successors, (95), 7 states have call predecessors, (95), 7 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-28 02:39:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 2213 transitions. [2024-11-28 02:39:53,326 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 2213 transitions. Word has length 125 [2024-11-28 02:39:53,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:53,327 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 2213 transitions. [2024-11-28 02:39:53,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 02:39:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 2213 transitions. [2024-11-28 02:39:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 02:39:53,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:53,328 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:53,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-28 02:39:53,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-28 02:39:53,529 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:53,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:53,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1104520809, now seen corresponding path program 1 times [2024-11-28 02:39:53,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:53,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025058102] [2024-11-28 02:39:53,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:53,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:53,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [680723777] [2024-11-28 02:39:53,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:53,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:53,552 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:53,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-28 02:39:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:53,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:39:53,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 02:39:54,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-28 02:39:54,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:54,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025058102] [2024-11-28 02:39:54,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:39:54,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680723777] [2024-11-28 02:39:54,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680723777] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:54,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:54,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-28 02:39:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928155589] [2024-11-28 02:39:54,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:54,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:54,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:54,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:54,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:39:54,330 INFO L87 Difference]: Start difference. First operand 1412 states and 2213 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 02:39:57,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:57,228 INFO L93 Difference]: Finished difference Result 1677 states and 2610 transitions. [2024-11-28 02:39:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:39:57,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 126 [2024-11-28 02:39:57,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:57,236 INFO L225 Difference]: With dead ends: 1677 [2024-11-28 02:39:57,237 INFO L226 Difference]: Without dead ends: 1672 [2024-11-28 02:39:57,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:39:57,238 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 119 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:57,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 277 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 02:39:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-28 02:39:57,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1655. [2024-11-28 02:39:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5974376264329062) internal successors, (2369), 1544 states have internal predecessors, (2369), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:39:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2577 transitions. [2024-11-28 02:39:57,347 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2577 transitions. Word has length 126 [2024-11-28 02:39:57,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:57,347 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2577 transitions. [2024-11-28 02:39:57,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 02:39:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2577 transitions. [2024-11-28 02:39:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 02:39:57,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:57,348 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:57,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-28 02:39:57,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-28 02:39:57,549 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:39:57,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:57,550 INFO L85 PathProgramCache]: Analyzing trace with hash -294925619, now seen corresponding path program 1 times [2024-11-28 02:39:57,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:57,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968406845] [2024-11-28 02:39:57,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:57,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:39:57,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [339453854] [2024-11-28 02:39:57,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:57,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:57,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:57,578 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:57,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-28 02:39:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:57,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:39:57,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-28 02:39:58,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:02,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:02,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968406845] [2024-11-28 02:40:02,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:40:02,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339453854] [2024-11-28 02:40:02,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339453854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:02,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:02,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 02:40:02,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969207396] [2024-11-28 02:40:02,519 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:02,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:40:02,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:02,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:40:02,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-28 02:40:02,520 INFO L87 Difference]: Start difference. First operand 1655 states and 2577 transitions. Second operand has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 02:40:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:03,156 INFO L93 Difference]: Finished difference Result 1705 states and 2609 transitions. [2024-11-28 02:40:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:40:03,157 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 132 [2024-11-28 02:40:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:03,168 INFO L225 Difference]: With dead ends: 1705 [2024-11-28 02:40:03,169 INFO L226 Difference]: Without dead ends: 1702 [2024-11-28 02:40:03,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-28 02:40:03,171 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 477 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:03,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 640 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:40:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2024-11-28 02:40:03,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1655. [2024-11-28 02:40:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5893459204315576) internal successors, (2357), 1544 states have internal predecessors, (2357), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:40:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2565 transitions. [2024-11-28 02:40:03,259 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2565 transitions. Word has length 132 [2024-11-28 02:40:03,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:03,259 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2565 transitions. [2024-11-28 02:40:03,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 02:40:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2565 transitions. [2024-11-28 02:40:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:40:03,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:03,260 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:03,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-28 02:40:03,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-28 02:40:03,461 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:40:03,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash -552759493, now seen corresponding path program 1 times [2024-11-28 02:40:03,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:03,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899387024] [2024-11-28 02:40:03,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:40:03,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865399711] [2024-11-28 02:40:03,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:03,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:03,484 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:03,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-28 02:40:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:03,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:40:03,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-28 02:40:04,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:08,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:08,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899387024] [2024-11-28 02:40:08,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:40:08,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865399711] [2024-11-28 02:40:08,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865399711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:08,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:08,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 02:40:08,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107001403] [2024-11-28 02:40:08,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:08,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:40:08,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:08,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:40:08,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=95, Unknown=1, NotChecked=0, Total=132 [2024-11-28 02:40:08,749 INFO L87 Difference]: Start difference. First operand 1655 states and 2565 transitions. Second operand has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 02:40:09,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:09,307 INFO L93 Difference]: Finished difference Result 1705 states and 2597 transitions. [2024-11-28 02:40:09,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:40:09,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 133 [2024-11-28 02:40:09,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:09,313 INFO L225 Difference]: With dead ends: 1705 [2024-11-28 02:40:09,314 INFO L226 Difference]: Without dead ends: 1702 [2024-11-28 02:40:09,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2024-11-28 02:40:09,315 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 210 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:09,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 498 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:40:09,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2024-11-28 02:40:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1655. [2024-11-28 02:40:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.581254214430209) internal successors, (2345), 1544 states have internal predecessors, (2345), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:40:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2553 transitions. [2024-11-28 02:40:09,405 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2553 transitions. Word has length 133 [2024-11-28 02:40:09,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:09,405 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2553 transitions. [2024-11-28 02:40:09,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 02:40:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2553 transitions. [2024-11-28 02:40:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 02:40:09,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:09,406 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:09,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-28 02:40:09,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-28 02:40:09,608 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:40:09,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash 44325007, now seen corresponding path program 1 times [2024-11-28 02:40:09,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:09,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764689666] [2024-11-28 02:40:09,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:09,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:40:09,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1342675273] [2024-11-28 02:40:09,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:09,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:09,639 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:09,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-28 02:40:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:09,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:40:09,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-28 02:40:10,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:14,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:14,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764689666] [2024-11-28 02:40:14,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:40:14,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342675273] [2024-11-28 02:40:14,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342675273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:14,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:14,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:40:14,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067099327] [2024-11-28 02:40:14,792 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:14,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:40:14,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:14,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:40:14,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2024-11-28 02:40:14,793 INFO L87 Difference]: Start difference. First operand 1655 states and 2553 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 02:40:15,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:15,959 INFO L93 Difference]: Finished difference Result 1680 states and 2570 transitions. [2024-11-28 02:40:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:40:15,959 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 134 [2024-11-28 02:40:15,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:15,963 INFO L225 Difference]: With dead ends: 1680 [2024-11-28 02:40:15,963 INFO L226 Difference]: Without dead ends: 1678 [2024-11-28 02:40:15,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=83, Invalid=336, Unknown=1, NotChecked=0, Total=420 [2024-11-28 02:40:15,964 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 631 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:15,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 478 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:40:15,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2024-11-28 02:40:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1655. [2024-11-28 02:40:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5785569790964262) internal successors, (2341), 1544 states have internal predecessors, (2341), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:40:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2549 transitions. [2024-11-28 02:40:16,040 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2549 transitions. Word has length 134 [2024-11-28 02:40:16,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:16,040 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2549 transitions. [2024-11-28 02:40:16,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 02:40:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2549 transitions. [2024-11-28 02:40:16,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 02:40:16,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:16,041 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:16,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:16,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-28 02:40:16,242 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:40:16,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:16,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1374075325, now seen corresponding path program 1 times [2024-11-28 02:40:16,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:16,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119248864] [2024-11-28 02:40:16,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:16,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:40:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450669044] [2024-11-28 02:40:16,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:16,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:16,256 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:16,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-28 02:40:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:16,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:40:16,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-28 02:40:17,057 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:25,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:25,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119248864] [2024-11-28 02:40:25,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:40:25,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450669044] [2024-11-28 02:40:25,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450669044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:25,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:25,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:40:25,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538266017] [2024-11-28 02:40:25,702 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:25,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:40:25,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:25,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:40:25,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2024-11-28 02:40:25,703 INFO L87 Difference]: Start difference. First operand 1655 states and 2549 transitions. Second operand has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 02:40:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:27,047 INFO L93 Difference]: Finished difference Result 1680 states and 2566 transitions. [2024-11-28 02:40:27,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:40:27,047 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 135 [2024-11-28 02:40:27,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:27,052 INFO L225 Difference]: With dead ends: 1680 [2024-11-28 02:40:27,052 INFO L226 Difference]: Without dead ends: 1678 [2024-11-28 02:40:27,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=83, Invalid=335, Unknown=2, NotChecked=0, Total=420 [2024-11-28 02:40:27,053 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 436 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:27,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 592 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:40:27,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2024-11-28 02:40:27,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1655. [2024-11-28 02:40:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5758597437626434) internal successors, (2337), 1544 states have internal predecessors, (2337), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:40:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2545 transitions. [2024-11-28 02:40:27,163 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2545 transitions. Word has length 135 [2024-11-28 02:40:27,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:27,164 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2545 transitions. [2024-11-28 02:40:27,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 02:40:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2545 transitions. [2024-11-28 02:40:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 02:40:27,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:27,165 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:27,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:27,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:27,365 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:40:27,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:27,366 INFO L85 PathProgramCache]: Analyzing trace with hash -353337775, now seen corresponding path program 1 times [2024-11-28 02:40:27,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:27,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670970809] [2024-11-28 02:40:27,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:27,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:40:27,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229644215] [2024-11-28 02:40:27,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:27,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:27,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:27,390 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:27,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-28 02:40:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:27,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:40:27,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 02:40:28,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:28,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:28,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670970809] [2024-11-28 02:40:28,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:40:28,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229644215] [2024-11-28 02:40:28,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229644215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:28,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:28,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 02:40:28,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519533939] [2024-11-28 02:40:28,666 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:28,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:40:28,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:28,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:40:28,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:40:28,667 INFO L87 Difference]: Start difference. First operand 1655 states and 2545 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 02:40:29,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:29,817 INFO L93 Difference]: Finished difference Result 1673 states and 2554 transitions. [2024-11-28 02:40:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:40:29,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 136 [2024-11-28 02:40:29,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:29,823 INFO L225 Difference]: With dead ends: 1673 [2024-11-28 02:40:29,823 INFO L226 Difference]: Without dead ends: 1670 [2024-11-28 02:40:29,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:40:29,825 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 178 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:29,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 491 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:40:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2024-11-28 02:40:29,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1655. [2024-11-28 02:40:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.571813890761969) internal successors, (2331), 1544 states have internal predecessors, (2331), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:40:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2539 transitions. [2024-11-28 02:40:29,948 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2539 transitions. Word has length 136 [2024-11-28 02:40:29,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:29,948 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2539 transitions. [2024-11-28 02:40:29,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 02:40:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2539 transitions. [2024-11-28 02:40:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:40:29,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:29,950 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:29,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-28 02:40:30,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:30,153 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:40:30,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:30,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1931430975, now seen corresponding path program 1 times [2024-11-28 02:40:30,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:30,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162596644] [2024-11-28 02:40:30,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:30,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:40:30,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23159338] [2024-11-28 02:40:30,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:30,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:30,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:30,174 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:30,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-28 02:40:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:30,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:40:30,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 02:40:31,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 02:40:31,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:31,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162596644] [2024-11-28 02:40:31,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:40:31,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23159338] [2024-11-28 02:40:31,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23159338] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:40:31,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:31,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 02:40:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746581409] [2024-11-28 02:40:31,907 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:31,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:40:31,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:31,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:40:31,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:40:31,908 INFO L87 Difference]: Start difference. First operand 1655 states and 2539 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-28 02:40:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:36,158 INFO L93 Difference]: Finished difference Result 1674 states and 2548 transitions. [2024-11-28 02:40:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:40:36,159 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 137 [2024-11-28 02:40:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:36,162 INFO L225 Difference]: With dead ends: 1674 [2024-11-28 02:40:36,162 INFO L226 Difference]: Without dead ends: 1673 [2024-11-28 02:40:36,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:40:36,163 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 844 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:36,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 482 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 02:40:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2024-11-28 02:40:36,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1655. [2024-11-28 02:40:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5711395819285232) internal successors, (2330), 1544 states have internal predecessors, (2330), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:40:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2538 transitions. [2024-11-28 02:40:36,261 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2538 transitions. Word has length 137 [2024-11-28 02:40:36,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:36,262 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2538 transitions. [2024-11-28 02:40:36,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2024-11-28 02:40:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2538 transitions. [2024-11-28 02:40:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 02:40:36,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:36,263 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:36,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-28 02:40:36,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-28 02:40:36,464 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:40:36,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:36,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2061750526, now seen corresponding path program 1 times [2024-11-28 02:40:36,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:36,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872647464] [2024-11-28 02:40:36,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:36,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:40:36,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874073862] [2024-11-28 02:40:36,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:36,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:36,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:36,486 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:36,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-28 02:40:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:36,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:40:36,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 02:40:38,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:46,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:40:46,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872647464] [2024-11-28 02:40:46,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:40:46,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874073862] [2024-11-28 02:40:46,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874073862] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:46,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:46,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:40:46,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966783073] [2024-11-28 02:40:46,442 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:40:46,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:40:46,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:40:46,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:40:46,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2024-11-28 02:40:46,444 INFO L87 Difference]: Start difference. First operand 1655 states and 2538 transitions. Second operand has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:40:49,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:49,504 INFO L93 Difference]: Finished difference Result 1671 states and 2547 transitions. [2024-11-28 02:40:49,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:40:49,504 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 143 [2024-11-28 02:40:49,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:49,508 INFO L225 Difference]: With dead ends: 1671 [2024-11-28 02:40:49,508 INFO L226 Difference]: Without dead ends: 1670 [2024-11-28 02:40:49,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=77, Invalid=301, Unknown=2, NotChecked=0, Total=380 [2024-11-28 02:40:49,510 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 521 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:49,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 808 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 02:40:49,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2024-11-28 02:40:49,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1655. [2024-11-28 02:40:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.569790964261632) internal successors, (2328), 1544 states have internal predecessors, (2328), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:40:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2536 transitions. [2024-11-28 02:40:49,634 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2536 transitions. Word has length 143 [2024-11-28 02:40:49,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:49,634 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2536 transitions. [2024-11-28 02:40:49,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:40:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2536 transitions. [2024-11-28 02:40:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 02:40:49,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:49,636 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:49,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-28 02:40:49,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-28 02:40:49,839 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:40:49,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:49,840 INFO L85 PathProgramCache]: Analyzing trace with hash -510243017, now seen corresponding path program 1 times [2024-11-28 02:40:49,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:40:49,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338221261] [2024-11-28 02:40:49,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:49,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:40:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:40:49,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839873402] [2024-11-28 02:40:49,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:49,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:40:49,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:40:49,869 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:40:49,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-28 02:40:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:49,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:40:49,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 02:40:52,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:04,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:04,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338221261] [2024-11-28 02:41:04,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:41:04,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839873402] [2024-11-28 02:41:04,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839873402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:04,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:04,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 02:41:04,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015137400] [2024-11-28 02:41:04,816 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:04,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:41:04,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:04,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:41:04,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=194, Unknown=3, NotChecked=0, Total=240 [2024-11-28 02:41:04,817 INFO L87 Difference]: Start difference. First operand 1655 states and 2536 transitions. Second operand has 12 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:41:08,959 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 02:41:13,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:41:17,278 WARN L539 Checker$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 02:41:21,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:41:25,401 WARN L539 Checker$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 02:41:29,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:41:34,664 WARN L539 Checker$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 02:41:36,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:36,371 INFO L93 Difference]: Finished difference Result 1671 states and 2545 transitions. [2024-11-28 02:41:36,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:41:36,372 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 144 [2024-11-28 02:41:36,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:36,377 INFO L225 Difference]: With dead ends: 1671 [2024-11-28 02:41:36,377 INFO L226 Difference]: Without dead ends: 1670 [2024-11-28 02:41:36,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=86, Invalid=331, Unknown=3, NotChecked=0, Total=420 [2024-11-28 02:41:36,378 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 588 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 32 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:36,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 654 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1351 Invalid, 7 Unknown, 0 Unchecked, 30.5s Time] [2024-11-28 02:41:36,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2024-11-28 02:41:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1655. [2024-11-28 02:41:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5684423465947404) internal successors, (2326), 1544 states have internal predecessors, (2326), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:41:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2534 transitions. [2024-11-28 02:41:36,506 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2534 transitions. Word has length 144 [2024-11-28 02:41:36,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:36,507 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2534 transitions. [2024-11-28 02:41:36,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 9.8) internal successors, (98), 11 states have internal predecessors, (98), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:41:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2534 transitions. [2024-11-28 02:41:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 02:41:36,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:36,510 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:36,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-28 02:41:36,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-28 02:41:36,710 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:41:36,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:36,711 INFO L85 PathProgramCache]: Analyzing trace with hash -760340670, now seen corresponding path program 1 times [2024-11-28 02:41:36,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:36,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706478446] [2024-11-28 02:41:36,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:36,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:41:36,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027473730] [2024-11-28 02:41:36,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:36,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:36,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:36,737 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:41:36,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-28 02:41:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:36,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-28 02:41:36,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-28 02:41:39,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:40,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:40,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706478446] [2024-11-28 02:41:40,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:41:40,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027473730] [2024-11-28 02:41:40,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027473730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:40,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:40,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-28 02:41:40,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444848853] [2024-11-28 02:41:40,538 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:40,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:41:40,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:40,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:41:40,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:41:40,539 INFO L87 Difference]: Start difference. First operand 1655 states and 2534 transitions. Second operand has 16 states, 14 states have (on average 7.428571428571429) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-28 02:41:42,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:42,892 INFO L93 Difference]: Finished difference Result 1682 states and 2551 transitions. [2024-11-28 02:41:42,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:41:42,893 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.428571428571429) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) Word has length 147 [2024-11-28 02:41:42,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:42,896 INFO L225 Difference]: With dead ends: 1682 [2024-11-28 02:41:42,896 INFO L226 Difference]: Without dead ends: 1678 [2024-11-28 02:41:42,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2024-11-28 02:41:42,898 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 522 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:42,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 712 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 02:41:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2024-11-28 02:41:43,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1655. [2024-11-28 02:41:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5630478759271746) internal successors, (2318), 1544 states have internal predecessors, (2318), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:41:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2526 transitions. [2024-11-28 02:41:43,040 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2526 transitions. Word has length 147 [2024-11-28 02:41:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:43,040 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2526 transitions. [2024-11-28 02:41:43,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.428571428571429) internal successors, (104), 15 states have internal predecessors, (104), 6 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-28 02:41:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2526 transitions. [2024-11-28 02:41:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 02:41:43,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:43,042 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:41:43,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-28 02:41:43,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-28 02:41:43,243 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:41:43,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:43,243 INFO L85 PathProgramCache]: Analyzing trace with hash -113363800, now seen corresponding path program 1 times [2024-11-28 02:41:43,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:43,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448598060] [2024-11-28 02:41:43,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:43,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:41:43,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637751967] [2024-11-28 02:41:43,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:43,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:43,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:43,272 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:41:43,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-28 02:41:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:43,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:41:43,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 02:41:43,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:44,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:44,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448598060] [2024-11-28 02:41:44,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:41:44,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637751967] [2024-11-28 02:41:44,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637751967] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:44,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:44,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 02:41:44,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431200682] [2024-11-28 02:41:44,225 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:44,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:41:44,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:44,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:41:44,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:41:44,226 INFO L87 Difference]: Start difference. First operand 1655 states and 2526 transitions. Second operand has 9 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:41:45,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:45,154 INFO L93 Difference]: Finished difference Result 1662 states and 2527 transitions. [2024-11-28 02:41:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:41:45,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 153 [2024-11-28 02:41:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:45,158 INFO L225 Difference]: With dead ends: 1662 [2024-11-28 02:41:45,159 INFO L226 Difference]: Without dead ends: 1661 [2024-11-28 02:41:45,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:41:45,160 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 398 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:45,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 641 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:41:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2024-11-28 02:41:45,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1655. [2024-11-28 02:41:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1483 states have (on average 1.5623735670937289) internal successors, (2317), 1544 states have internal predecessors, (2317), 104 states have call successors, (104), 7 states have call predecessors, (104), 7 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-28 02:41:45,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2525 transitions. [2024-11-28 02:41:45,289 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2525 transitions. Word has length 153 [2024-11-28 02:41:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:45,290 INFO L471 AbstractCegarLoop]: Abstraction has 1655 states and 2525 transitions. [2024-11-28 02:41:45,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:41:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2525 transitions. [2024-11-28 02:41:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 02:41:45,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:45,291 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:41:45,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-11-28 02:41:45,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-28 02:41:45,492 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:41:45,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:45,493 INFO L85 PathProgramCache]: Analyzing trace with hash 780689633, now seen corresponding path program 1 times [2024-11-28 02:41:45,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:45,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319717685] [2024-11-28 02:41:45,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:45,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:41:45,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84118908] [2024-11-28 02:41:45,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:45,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:45,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:45,532 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:41:45,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-28 02:41:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:45,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:41:45,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 02:41:46,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 02:41:47,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:47,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319717685] [2024-11-28 02:41:47,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:41:47,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84118908] [2024-11-28 02:41:47,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84118908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:41:47,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:41:47,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-28 02:41:47,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731504994] [2024-11-28 02:41:47,309 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:47,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 02:41:47,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:47,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 02:41:47,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:41:47,310 INFO L87 Difference]: Start difference. First operand 1655 states and 2525 transitions. Second operand has 15 states, 12 states have (on average 17.333333333333332) internal successors, (208), 13 states have internal predecessors, (208), 10 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 8 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-28 02:41:51,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:51,958 INFO L93 Difference]: Finished difference Result 3521 states and 5408 transitions. [2024-11-28 02:41:51,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 02:41:51,959 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 17.333333333333332) internal successors, (208), 13 states have internal predecessors, (208), 10 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 8 states have call predecessors, (22), 10 states have call successors, (22) Word has length 154 [2024-11-28 02:41:51,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:51,967 INFO L225 Difference]: With dead ends: 3521 [2024-11-28 02:41:51,967 INFO L226 Difference]: Without dead ends: 3520 [2024-11-28 02:41:51,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=272, Invalid=988, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 02:41:51,970 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 1232 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1233 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:51,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1233 Valid, 1174 Invalid, 2515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 02:41:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2024-11-28 02:41:52,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 1792. [2024-11-28 02:41:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1612 states have (on average 1.5688585607940446) internal successors, (2529), 1673 states have internal predecessors, (2529), 112 states have call successors, (112), 7 states have call predecessors, (112), 7 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-28 02:41:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2753 transitions. [2024-11-28 02:41:52,159 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2753 transitions. Word has length 154 [2024-11-28 02:41:52,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:52,159 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2753 transitions. [2024-11-28 02:41:52,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 17.333333333333332) internal successors, (208), 13 states have internal predecessors, (208), 10 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 8 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-28 02:41:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2753 transitions. [2024-11-28 02:41:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-28 02:41:52,160 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:52,160 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 02:41:52,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-28 02:41:52,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:52,361 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:41:52,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:52,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1568425014, now seen corresponding path program 1 times [2024-11-28 02:41:52,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:52,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532886766] [2024-11-28 02:41:52,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:52,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:41:52,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184933641] [2024-11-28 02:41:52,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:52,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:52,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:52,383 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:41:52,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-28 02:41:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:52,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 02:41:52,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-28 02:41:54,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:54,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:54,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532886766] [2024-11-28 02:41:54,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:41:54,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184933641] [2024-11-28 02:41:54,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184933641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:54,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:54,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:41:54,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250201584] [2024-11-28 02:41:54,547 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:41:54,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:41:54,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:54,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:41:54,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:41:54,548 INFO L87 Difference]: Start difference. First operand 1792 states and 2753 transitions. Second operand has 11 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 02:41:55,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:55,876 INFO L93 Difference]: Finished difference Result 1814 states and 2764 transitions. [2024-11-28 02:41:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:41:55,876 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 155 [2024-11-28 02:41:55,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:55,879 INFO L225 Difference]: With dead ends: 1814 [2024-11-28 02:41:55,880 INFO L226 Difference]: Without dead ends: 1810 [2024-11-28 02:41:55,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:41:55,881 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 299 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:55,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 412 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:41:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2024-11-28 02:41:56,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1792. [2024-11-28 02:41:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1612 states have (on average 1.563895781637717) internal successors, (2521), 1673 states have internal predecessors, (2521), 112 states have call successors, (112), 7 states have call predecessors, (112), 7 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-28 02:41:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2745 transitions. [2024-11-28 02:41:56,041 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2745 transitions. Word has length 155 [2024-11-28 02:41:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:56,042 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2745 transitions. [2024-11-28 02:41:56,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 02:41:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2745 transitions. [2024-11-28 02:41:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 02:41:56,046 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:56,046 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 02:41:56,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-11-28 02:41:56,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:56,247 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:41:56,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:56,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1376535037, now seen corresponding path program 1 times [2024-11-28 02:41:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:56,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8644743] [2024-11-28 02:41:56,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:56,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:41:56,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403263479] [2024-11-28 02:41:56,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:56,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:41:56,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:56,271 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:41:56,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-28 02:41:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:56,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:41:56,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-28 02:41:57,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:01,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:01,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8644743] [2024-11-28 02:42:01,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:01,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403263479] [2024-11-28 02:42:01,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403263479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:01,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:01,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 02:42:01,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479005541] [2024-11-28 02:42:01,776 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:01,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:42:01,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:01,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:42:01,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=101, Unknown=1, NotChecked=0, Total=132 [2024-11-28 02:42:01,777 INFO L87 Difference]: Start difference. First operand 1792 states and 2745 transitions. Second operand has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:42:05,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:05,562 INFO L93 Difference]: Finished difference Result 2207 states and 3400 transitions. [2024-11-28 02:42:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:42:05,562 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 156 [2024-11-28 02:42:05,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:05,566 INFO L225 Difference]: With dead ends: 2207 [2024-11-28 02:42:05,566 INFO L226 Difference]: Without dead ends: 2204 [2024-11-28 02:42:05,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=99, Invalid=242, Unknown=1, NotChecked=0, Total=342 [2024-11-28 02:42:05,567 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 436 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 1969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:05,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 827 Invalid, 1969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-28 02:42:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2024-11-28 02:42:05,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2081. [2024-11-28 02:42:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 1881 states have (on average 1.5816055289739501) internal successors, (2975), 1942 states have internal predecessors, (2975), 132 states have call successors, (132), 7 states have call predecessors, (132), 7 states have return successors, (132), 131 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-28 02:42:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3239 transitions. [2024-11-28 02:42:05,704 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3239 transitions. Word has length 156 [2024-11-28 02:42:05,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:05,704 INFO L471 AbstractCegarLoop]: Abstraction has 2081 states and 3239 transitions. [2024-11-28 02:42:05,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:42:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3239 transitions. [2024-11-28 02:42:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 02:42:05,705 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:05,705 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:05,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-28 02:42:05,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:05,906 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:05,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:05,906 INFO L85 PathProgramCache]: Analyzing trace with hash -778454732, now seen corresponding path program 1 times [2024-11-28 02:42:05,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:05,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623103898] [2024-11-28 02:42:05,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:05,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:06,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:06,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623103898] [2024-11-28 02:42:06,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623103898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:06,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888343904] [2024-11-28 02:42:06,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:06,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:06,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:06,076 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:06,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-28 02:42:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:06,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:42:06,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:06,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:07,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888343904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:42:07,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:42:07,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-28 02:42:07,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308402192] [2024-11-28 02:42:07,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:07,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:42:07,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:07,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:42:07,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:42:07,059 INFO L87 Difference]: Start difference. First operand 2081 states and 3239 transitions. Second operand has 14 states, 13 states have (on average 23.384615384615383) internal successors, (304), 14 states have internal predecessors, (304), 12 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-28 02:42:08,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:08,881 INFO L93 Difference]: Finished difference Result 2135 states and 3297 transitions. [2024-11-28 02:42:08,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:42:08,881 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 23.384615384615383) internal successors, (304), 14 states have internal predecessors, (304), 12 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 160 [2024-11-28 02:42:08,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:08,883 INFO L225 Difference]: With dead ends: 2135 [2024-11-28 02:42:08,884 INFO L226 Difference]: Without dead ends: 2134 [2024-11-28 02:42:08,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:42:08,885 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 450 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:08,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 678 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:42:08,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-28 02:42:09,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2125. [2024-11-28 02:42:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1921 states have (on average 1.5700156168662156) internal successors, (3016), 1982 states have internal predecessors, (3016), 136 states have call successors, (136), 7 states have call predecessors, (136), 7 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-28 02:42:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3288 transitions. [2024-11-28 02:42:09,087 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3288 transitions. Word has length 160 [2024-11-28 02:42:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:09,088 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3288 transitions. [2024-11-28 02:42:09,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 23.384615384615383) internal successors, (304), 14 states have internal predecessors, (304), 12 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-28 02:42:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3288 transitions. [2024-11-28 02:42:09,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-28 02:42:09,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:09,090 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 02:42:09,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:09,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:09,293 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:09,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:09,294 INFO L85 PathProgramCache]: Analyzing trace with hash -229492665, now seen corresponding path program 1 times [2024-11-28 02:42:09,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:09,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094222743] [2024-11-28 02:42:09,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:09,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018855392] [2024-11-28 02:42:09,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:09,316 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:09,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-28 02:42:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:09,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 02:42:09,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 18 proven. 55 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-28 02:42:10,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:11,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:11,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094222743] [2024-11-28 02:42:11,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:11,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018855392] [2024-11-28 02:42:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018855392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:11,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:11,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-28 02:42:11,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093671684] [2024-11-28 02:42:11,414 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:11,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:42:11,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:11,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:42:11,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:42:11,415 INFO L87 Difference]: Start difference. First operand 2125 states and 3288 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:42:13,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:13,957 INFO L93 Difference]: Finished difference Result 2134 states and 3291 transitions. [2024-11-28 02:42:13,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:42:13,957 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 160 [2024-11-28 02:42:13,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:13,960 INFO L225 Difference]: With dead ends: 2134 [2024-11-28 02:42:13,960 INFO L226 Difference]: Without dead ends: 2133 [2024-11-28 02:42:13,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:42:13,961 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 250 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 1783 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:13,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 867 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1783 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 02:42:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2024-11-28 02:42:14,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2125. [2024-11-28 02:42:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1921 states have (on average 1.568974492451848) internal successors, (3014), 1982 states have internal predecessors, (3014), 136 states have call successors, (136), 7 states have call predecessors, (136), 7 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-28 02:42:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3286 transitions. [2024-11-28 02:42:14,142 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3286 transitions. Word has length 160 [2024-11-28 02:42:14,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:14,142 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3286 transitions. [2024-11-28 02:42:14,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 12 states have internal predecessors, (117), 5 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-28 02:42:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3286 transitions. [2024-11-28 02:42:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 02:42:14,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:14,144 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:14,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:14,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-11-28 02:42:14,345 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:14,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:14,346 INFO L85 PathProgramCache]: Analyzing trace with hash 924132790, now seen corresponding path program 1 times [2024-11-28 02:42:14,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:14,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604616489] [2024-11-28 02:42:14,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:14,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:14,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1890567676] [2024-11-28 02:42:14,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:14,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:14,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:14,373 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:14,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-28 02:42:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:14,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:42:14,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:14,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:14,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:14,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604616489] [2024-11-28 02:42:14,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:14,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890567676] [2024-11-28 02:42:14,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890567676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:14,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:14,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:42:14,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477395016] [2024-11-28 02:42:14,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:14,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:42:14,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:14,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:42:14,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:14,927 INFO L87 Difference]: Start difference. First operand 2125 states and 3286 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:15,388 INFO L93 Difference]: Finished difference Result 2130 states and 3286 transitions. [2024-11-28 02:42:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:42:15,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 164 [2024-11-28 02:42:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:15,392 INFO L225 Difference]: With dead ends: 2130 [2024-11-28 02:42:15,392 INFO L226 Difference]: Without dead ends: 2129 [2024-11-28 02:42:15,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:42:15,393 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 24 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:15,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 388 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:42:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2024-11-28 02:42:15,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 2125. [2024-11-28 02:42:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1921 states have (on average 1.5679333680374805) internal successors, (3012), 1982 states have internal predecessors, (3012), 136 states have call successors, (136), 7 states have call predecessors, (136), 7 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-28 02:42:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3284 transitions. [2024-11-28 02:42:15,549 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3284 transitions. Word has length 164 [2024-11-28 02:42:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:15,549 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3284 transitions. [2024-11-28 02:42:15,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 states have internal predecessors, (110), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:15,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3284 transitions. [2024-11-28 02:42:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 02:42:15,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:15,550 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:15,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:15,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-11-28 02:42:15,752 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:15,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1416654399, now seen corresponding path program 1 times [2024-11-28 02:42:15,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:15,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518156018] [2024-11-28 02:42:15,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:15,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:15,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511487404] [2024-11-28 02:42:15,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:15,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:15,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:15,778 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:15,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-28 02:42:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:15,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:42:15,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:16,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:16,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:16,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518156018] [2024-11-28 02:42:16,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:16,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511487404] [2024-11-28 02:42:16,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511487404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:16,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:16,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 02:42:16,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632787825] [2024-11-28 02:42:16,818 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:16,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:42:16,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:16,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:42:16,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:42:16,819 INFO L87 Difference]: Start difference. First operand 2125 states and 3284 transitions. Second operand has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:17,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:17,305 INFO L93 Difference]: Finished difference Result 2130 states and 3284 transitions. [2024-11-28 02:42:17,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:42:17,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 165 [2024-11-28 02:42:17,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:17,308 INFO L225 Difference]: With dead ends: 2130 [2024-11-28 02:42:17,308 INFO L226 Difference]: Without dead ends: 2129 [2024-11-28 02:42:17,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:42:17,309 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 77 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:17,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 375 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:42:17,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2024-11-28 02:42:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 2125. [2024-11-28 02:42:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1921 states have (on average 1.5674128058302967) internal successors, (3011), 1982 states have internal predecessors, (3011), 136 states have call successors, (136), 7 states have call predecessors, (136), 7 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-28 02:42:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3283 transitions. [2024-11-28 02:42:17,457 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3283 transitions. Word has length 165 [2024-11-28 02:42:17,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:17,458 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3283 transitions. [2024-11-28 02:42:17,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.75) internal successors, (111), 5 states have internal predecessors, (111), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3283 transitions. [2024-11-28 02:42:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 02:42:17,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:17,459 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 02:42:17,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:17,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:17,660 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:17,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:17,660 INFO L85 PathProgramCache]: Analyzing trace with hash 99761315, now seen corresponding path program 1 times [2024-11-28 02:42:17,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:17,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943946674] [2024-11-28 02:42:17,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:17,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:17,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962804275] [2024-11-28 02:42:17,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:17,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:17,680 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:17,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 02:42:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:17,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:42:17,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:18,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:18,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943946674] [2024-11-28 02:42:18,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962804275] [2024-11-28 02:42:18,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962804275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:18,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:18,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:42:18,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123633934] [2024-11-28 02:42:18,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:18,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:42:18,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:18,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:42:18,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:42:18,440 INFO L87 Difference]: Start difference. First operand 2125 states and 3283 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:19,007 INFO L93 Difference]: Finished difference Result 2130 states and 3283 transitions. [2024-11-28 02:42:19,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:42:19,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 167 [2024-11-28 02:42:19,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:19,011 INFO L225 Difference]: With dead ends: 2130 [2024-11-28 02:42:19,011 INFO L226 Difference]: Without dead ends: 2129 [2024-11-28 02:42:19,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:42:19,012 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 17 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:19,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 455 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:42:19,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2024-11-28 02:42:19,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 2125. [2024-11-28 02:42:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1921 states have (on average 1.5663716814159292) internal successors, (3009), 1982 states have internal predecessors, (3009), 136 states have call successors, (136), 7 states have call predecessors, (136), 7 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-28 02:42:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3281 transitions. [2024-11-28 02:42:19,127 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3281 transitions. Word has length 167 [2024-11-28 02:42:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:19,127 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3281 transitions. [2024-11-28 02:42:19,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3281 transitions. [2024-11-28 02:42:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 02:42:19,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:19,129 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:42:19,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-11-28 02:42:19,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:19,329 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:19,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:19,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1458590179, now seen corresponding path program 2 times [2024-11-28 02:42:19,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:19,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091004532] [2024-11-28 02:42:19,330 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:42:19,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:19,361 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:42:19,361 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 02:42:19,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878960702] [2024-11-28 02:42:19,365 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:42:19,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:19,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:19,367 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:19,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 02:42:19,475 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:42:19,475 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:42:19,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 02:42:19,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-28 02:42:20,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:21,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:21,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091004532] [2024-11-28 02:42:21,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:21,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878960702] [2024-11-28 02:42:21,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878960702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:21,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:21,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 02:42:21,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787183136] [2024-11-28 02:42:21,664 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:21,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:42:21,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:21,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:42:21,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:42:21,665 INFO L87 Difference]: Start difference. First operand 2125 states and 3281 transitions. Second operand has 14 states, 12 states have (on average 10.0) internal successors, (120), 13 states have internal predecessors, (120), 6 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 02:42:23,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:23,347 INFO L93 Difference]: Finished difference Result 2130 states and 3282 transitions. [2024-11-28 02:42:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:42:23,348 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 10.0) internal successors, (120), 13 states have internal predecessors, (120), 6 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) Word has length 168 [2024-11-28 02:42:23,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:23,350 INFO L225 Difference]: With dead ends: 2130 [2024-11-28 02:42:23,350 INFO L226 Difference]: Without dead ends: 2128 [2024-11-28 02:42:23,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2024-11-28 02:42:23,351 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 344 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:23,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 794 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:42:23,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2024-11-28 02:42:23,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2125. [2024-11-28 02:42:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1921 states have (on average 1.5653305570015617) internal successors, (3007), 1982 states have internal predecessors, (3007), 136 states have call successors, (136), 7 states have call predecessors, (136), 7 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-28 02:42:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 3279 transitions. [2024-11-28 02:42:23,470 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 3279 transitions. Word has length 168 [2024-11-28 02:42:23,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:23,470 INFO L471 AbstractCegarLoop]: Abstraction has 2125 states and 3279 transitions. [2024-11-28 02:42:23,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 10.0) internal successors, (120), 13 states have internal predecessors, (120), 6 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-28 02:42:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 3279 transitions. [2024-11-28 02:42:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 02:42:23,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:23,471 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:42:23,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:23,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-28 02:42:23,675 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:23,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:23,676 INFO L85 PathProgramCache]: Analyzing trace with hash 698270834, now seen corresponding path program 1 times [2024-11-28 02:42:23,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:23,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318302255] [2024-11-28 02:42:23,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:23,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:23,880 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:23,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318302255] [2024-11-28 02:42:23,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318302255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:23,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946509752] [2024-11-28 02:42:23,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:23,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:23,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:23,883 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:23,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-28 02:42:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:23,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:42:23,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:24,435 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:24,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946509752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:42:24,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:42:24,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-28 02:42:24,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3265979] [2024-11-28 02:42:24,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:24,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 02:42:24,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:24,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 02:42:24,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:42:24,709 INFO L87 Difference]: Start difference. First operand 2125 states and 3279 transitions. Second operand has 17 states, 16 states have (on average 20.875) internal successors, (334), 17 states have internal predecessors, (334), 12 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-28 02:42:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:31,496 INFO L93 Difference]: Finished difference Result 8124 states and 12317 transitions. [2024-11-28 02:42:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-28 02:42:31,497 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 20.875) internal successors, (334), 17 states have internal predecessors, (334), 12 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 170 [2024-11-28 02:42:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:31,510 INFO L225 Difference]: With dead ends: 8124 [2024-11-28 02:42:31,510 INFO L226 Difference]: Without dead ends: 8123 [2024-11-28 02:42:31,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4121 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2145, Invalid=8985, Unknown=0, NotChecked=0, Total=11130 [2024-11-28 02:42:31,515 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 4296 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4301 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 4131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:31,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4301 Valid, 1709 Invalid, 4131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 02:42:31,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8123 states. [2024-11-28 02:42:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8123 to 5071. [2024-11-28 02:42:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 4682 states have (on average 1.6497223408799657) internal successors, (7724), 4743 states have internal predecessors, (7724), 321 states have call successors, (321), 7 states have call predecessors, (321), 7 states have return successors, (321), 320 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-28 02:42:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 8366 transitions. [2024-11-28 02:42:32,048 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 8366 transitions. Word has length 170 [2024-11-28 02:42:32,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:32,048 INFO L471 AbstractCegarLoop]: Abstraction has 5071 states and 8366 transitions. [2024-11-28 02:42:32,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 20.875) internal successors, (334), 17 states have internal predecessors, (334), 12 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-28 02:42:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 8366 transitions. [2024-11-28 02:42:32,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 02:42:32,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:32,050 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:42:32,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-28 02:42:32,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-28 02:42:32,250 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:32,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:32,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1021839378, now seen corresponding path program 1 times [2024-11-28 02:42:32,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:32,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427768077] [2024-11-28 02:42:32,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:32,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:32,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:32,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427768077] [2024-11-28 02:42:32,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427768077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:32,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067754328] [2024-11-28 02:42:32,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:32,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:32,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:32,476 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:32,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-28 02:42:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:32,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:42:32,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:32,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:42:32,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067754328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:32,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:32,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-28 02:42:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130657408] [2024-11-28 02:42:32,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:32,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:42:32,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:32,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:42:32,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:42:32,755 INFO L87 Difference]: Start difference. First operand 5071 states and 8366 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:42:33,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:33,441 INFO L93 Difference]: Finished difference Result 8474 states and 14134 transitions. [2024-11-28 02:42:33,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:42:33,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 172 [2024-11-28 02:42:33,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:33,446 INFO L225 Difference]: With dead ends: 8474 [2024-11-28 02:42:33,446 INFO L226 Difference]: Without dead ends: 4100 [2024-11-28 02:42:33,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:42:33,451 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 199 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:33,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 813 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:42:33,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4100 states. [2024-11-28 02:42:33,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4100 to 3467. [2024-11-28 02:42:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3467 states, 3174 states have (on average 1.6398865784499055) internal successors, (5205), 3235 states have internal predecessors, (5205), 225 states have call successors, (225), 7 states have call predecessors, (225), 7 states have return successors, (225), 224 states have call predecessors, (225), 225 states have call successors, (225) [2024-11-28 02:42:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3467 states and 5655 transitions. [2024-11-28 02:42:33,708 INFO L78 Accepts]: Start accepts. Automaton has 3467 states and 5655 transitions. Word has length 172 [2024-11-28 02:42:33,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:33,708 INFO L471 AbstractCegarLoop]: Abstraction has 3467 states and 5655 transitions. [2024-11-28 02:42:33,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:42:33,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 5655 transitions. [2024-11-28 02:42:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 02:42:33,709 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:33,709 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:33,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:33,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:33,910 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:33,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:33,910 INFO L85 PathProgramCache]: Analyzing trace with hash 132203476, now seen corresponding path program 1 times [2024-11-28 02:42:33,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:33,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694389749] [2024-11-28 02:42:33,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:33,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:34,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:34,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694389749] [2024-11-28 02:42:34,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694389749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:34,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106446815] [2024-11-28 02:42:34,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:34,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:34,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:34,174 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:34,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-28 02:42:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:34,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:42:34,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:34,486 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-28 02:42:34,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:34,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106446815] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:42:34,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:42:34,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2024-11-28 02:42:34,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800436119] [2024-11-28 02:42:34,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:34,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 02:42:34,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:34,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 02:42:34,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:42:34,758 INFO L87 Difference]: Start difference. First operand 3467 states and 5655 transitions. Second operand has 18 states, 18 states have (on average 13.0) internal successors, (234), 18 states have internal predecessors, (234), 6 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-28 02:42:35,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:35,432 INFO L93 Difference]: Finished difference Result 6050 states and 9868 transitions. [2024-11-28 02:42:35,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 02:42:35,433 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.0) internal successors, (234), 18 states have internal predecessors, (234), 6 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) Word has length 173 [2024-11-28 02:42:35,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:35,437 INFO L225 Difference]: With dead ends: 6050 [2024-11-28 02:42:35,437 INFO L226 Difference]: Without dead ends: 3787 [2024-11-28 02:42:35,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=325, Invalid=935, Unknown=0, NotChecked=0, Total=1260 [2024-11-28 02:42:35,440 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 253 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1831 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:35,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1831 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:42:35,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3787 states. [2024-11-28 02:42:35,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3787 to 3648. [2024-11-28 02:42:35,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3340 states have (on average 1.6245508982035928) internal successors, (5426), 3402 states have internal predecessors, (5426), 237 states have call successors, (237), 10 states have call predecessors, (237), 10 states have return successors, (237), 235 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-28 02:42:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5900 transitions. [2024-11-28 02:42:35,677 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5900 transitions. Word has length 173 [2024-11-28 02:42:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:35,677 INFO L471 AbstractCegarLoop]: Abstraction has 3648 states and 5900 transitions. [2024-11-28 02:42:35,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.0) internal successors, (234), 18 states have internal predecessors, (234), 6 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 6 states have call predecessors, (36), 6 states have call successors, (36) [2024-11-28 02:42:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5900 transitions. [2024-11-28 02:42:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 02:42:35,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:35,679 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 02:42:35,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-11-28 02:42:35,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:35,879 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:35,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:35,880 INFO L85 PathProgramCache]: Analyzing trace with hash 790979436, now seen corresponding path program 1 times [2024-11-28 02:42:35,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:35,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747763411] [2024-11-28 02:42:35,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:35,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272781971] [2024-11-28 02:42:35,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:35,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:35,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:35,902 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:35,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-28 02:42:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:36,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:42:36,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:37,432 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:37,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:37,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:37,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747763411] [2024-11-28 02:42:37,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:37,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272781971] [2024-11-28 02:42:37,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272781971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:37,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:37,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:42:37,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707452503] [2024-11-28 02:42:37,952 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:37,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:42:37,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:37,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:42:37,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:42:37,953 INFO L87 Difference]: Start difference. First operand 3648 states and 5900 transitions. Second operand has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:39,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:39,273 INFO L93 Difference]: Finished difference Result 3802 states and 6119 transitions. [2024-11-28 02:42:39,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:42:39,273 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 175 [2024-11-28 02:42:39,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:39,281 INFO L225 Difference]: With dead ends: 3802 [2024-11-28 02:42:39,281 INFO L226 Difference]: Without dead ends: 3799 [2024-11-28 02:42:39,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:42:39,283 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 264 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:39,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 681 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:42:39,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2024-11-28 02:42:39,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3758. [2024-11-28 02:42:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3758 states, 3442 states have (on average 1.6199883788495062) internal successors, (5576), 3503 states have internal predecessors, (5576), 245 states have call successors, (245), 10 states have call predecessors, (245), 10 states have return successors, (245), 244 states have call predecessors, (245), 245 states have call successors, (245) [2024-11-28 02:42:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3758 states and 6066 transitions. [2024-11-28 02:42:39,615 INFO L78 Accepts]: Start accepts. Automaton has 3758 states and 6066 transitions. Word has length 175 [2024-11-28 02:42:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:39,615 INFO L471 AbstractCegarLoop]: Abstraction has 3758 states and 6066 transitions. [2024-11-28 02:42:39,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 6066 transitions. [2024-11-28 02:42:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-28 02:42:39,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:39,617 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 02:42:39,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-11-28 02:42:39,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2024-11-28 02:42:39,817 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:39,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:39,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1249441062, now seen corresponding path program 1 times [2024-11-28 02:42:39,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:39,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045255212] [2024-11-28 02:42:39,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:39,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:39,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463639227] [2024-11-28 02:42:39,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:39,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:39,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:39,846 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:39,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-28 02:42:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:39,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:42:39,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 45 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:41,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:45,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045255212] [2024-11-28 02:42:45,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:42:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463639227] [2024-11-28 02:42:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463639227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:45,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:42:45,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:42:45,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684925187] [2024-11-28 02:42:45,782 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:45,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:42:45,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:45,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:42:45,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=151, Unknown=1, NotChecked=0, Total=210 [2024-11-28 02:42:45,783 INFO L87 Difference]: Start difference. First operand 3758 states and 6066 transitions. Second operand has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:47,158 INFO L93 Difference]: Finished difference Result 3868 states and 6214 transitions. [2024-11-28 02:42:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:42:47,159 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 176 [2024-11-28 02:42:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:47,164 INFO L225 Difference]: With dead ends: 3868 [2024-11-28 02:42:47,164 INFO L226 Difference]: Without dead ends: 3865 [2024-11-28 02:42:47,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=79, Invalid=192, Unknown=1, NotChecked=0, Total=272 [2024-11-28 02:42:47,165 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 209 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:47,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 683 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:42:47,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2024-11-28 02:42:47,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3815. [2024-11-28 02:42:47,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 3495 states have (on average 1.6145922746781116) internal successors, (5643), 3556 states have internal predecessors, (5643), 249 states have call successors, (249), 10 states have call predecessors, (249), 10 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-28 02:42:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 6141 transitions. [2024-11-28 02:42:47,380 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 6141 transitions. Word has length 176 [2024-11-28 02:42:47,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:47,380 INFO L471 AbstractCegarLoop]: Abstraction has 3815 states and 6141 transitions. [2024-11-28 02:42:47,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:42:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 6141 transitions. [2024-11-28 02:42:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-28 02:42:47,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:47,381 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:42:47,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2024-11-28 02:42:47,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2024-11-28 02:42:47,582 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:42:47,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:47,582 INFO L85 PathProgramCache]: Analyzing trace with hash -77967058, now seen corresponding path program 1 times [2024-11-28 02:42:47,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:47,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055043587] [2024-11-28 02:42:47,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:47,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:42:47,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100720547] [2024-11-28 02:42:47,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:42:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:42:47,600 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:42:47,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-28 02:42:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:47,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 02:42:47,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:42:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:42:48,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:01,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:01,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055043587] [2024-11-28 02:43:01,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:43:01,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100720547] [2024-11-28 02:43:01,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100720547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:01,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:43:01,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 02:43:01,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612454756] [2024-11-28 02:43:01,142 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:01,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:43:01,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:01,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:43:01,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=163, Unknown=3, NotChecked=0, Total=210 [2024-11-28 02:43:01,143 INFO L87 Difference]: Start difference. First operand 3815 states and 6141 transitions. Second operand has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 10 states have internal predecessors, (123), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:43:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:02,761 INFO L93 Difference]: Finished difference Result 3852 states and 6170 transitions. [2024-11-28 02:43:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:43:02,762 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 10 states have internal predecessors, (123), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 177 [2024-11-28 02:43:02,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:02,769 INFO L225 Difference]: With dead ends: 3852 [2024-11-28 02:43:02,769 INFO L226 Difference]: Without dead ends: 3850 [2024-11-28 02:43:02,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=74, Invalid=265, Unknown=3, NotChecked=0, Total=342 [2024-11-28 02:43:02,771 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 231 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:02,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1100 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:43:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3850 states. [2024-11-28 02:43:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3850 to 3817. [2024-11-28 02:43:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 3497 states have (on average 1.6133828996282529) internal successors, (5642), 3558 states have internal predecessors, (5642), 249 states have call successors, (249), 10 states have call predecessors, (249), 10 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-28 02:43:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 6140 transitions. [2024-11-28 02:43:03,118 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 6140 transitions. Word has length 177 [2024-11-28 02:43:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:03,118 INFO L471 AbstractCegarLoop]: Abstraction has 3817 states and 6140 transitions. [2024-11-28 02:43:03,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 10 states have internal predecessors, (123), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:43:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 6140 transitions. [2024-11-28 02:43:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-28 02:43:03,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:03,120 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:03,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2024-11-28 02:43:03,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2024-11-28 02:43:03,320 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:43:03,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:03,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1249861591, now seen corresponding path program 1 times [2024-11-28 02:43:03,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:03,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405986951] [2024-11-28 02:43:03,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:03,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:43:03,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1588113660] [2024-11-28 02:43:03,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:03,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:03,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:03,345 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:03,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-28 02:43:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:03,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:43:03,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 5 proven. 64 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 02:43:03,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:03,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:03,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405986951] [2024-11-28 02:43:03,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:43:03,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588113660] [2024-11-28 02:43:03,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588113660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:03,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:43:03,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 02:43:03,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983741689] [2024-11-28 02:43:03,823 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:03,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:43:03,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:03,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:43:03,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:43:03,824 INFO L87 Difference]: Start difference. First operand 3817 states and 6140 transitions. Second operand has 10 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 02:43:05,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:05,796 INFO L93 Difference]: Finished difference Result 4329 states and 6651 transitions. [2024-11-28 02:43:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 02:43:05,796 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 177 [2024-11-28 02:43:05,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:05,804 INFO L225 Difference]: With dead ends: 4329 [2024-11-28 02:43:05,805 INFO L226 Difference]: Without dead ends: 4326 [2024-11-28 02:43:05,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=605, Unknown=0, NotChecked=0, Total=812 [2024-11-28 02:43:05,807 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 715 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:05,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 1378 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:43:05,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4326 states. [2024-11-28 02:43:06,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4326 to 3817. [2024-11-28 02:43:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 3497 states have (on average 1.607377752359165) internal successors, (5621), 3558 states have internal predecessors, (5621), 249 states have call successors, (249), 10 states have call predecessors, (249), 10 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-28 02:43:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 6119 transitions. [2024-11-28 02:43:06,056 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 6119 transitions. Word has length 177 [2024-11-28 02:43:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:06,056 INFO L471 AbstractCegarLoop]: Abstraction has 3817 states and 6119 transitions. [2024-11-28 02:43:06,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 02:43:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 6119 transitions. [2024-11-28 02:43:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-28 02:43:06,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:06,058 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:43:06,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-28 02:43:06,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:06,263 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:43:06,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1877988700, now seen corresponding path program 1 times [2024-11-28 02:43:06,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:06,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890739210] [2024-11-28 02:43:06,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:06,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:43:06,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466685208] [2024-11-28 02:43:06,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:06,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:06,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:06,287 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:06,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-28 02:43:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:06,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 02:43:06,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 45 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:43:07,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:08,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:08,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890739210] [2024-11-28 02:43:08,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:43:08,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466685208] [2024-11-28 02:43:08,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466685208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:08,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:43:08,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 02:43:08,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197251959] [2024-11-28 02:43:08,641 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:08,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:43:08,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:08,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:43:08,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:43:08,642 INFO L87 Difference]: Start difference. First operand 3817 states and 6119 transitions. Second operand has 12 states, 11 states have (on average 11.272727272727273) internal successors, (124), 12 states have internal predecessors, (124), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:43:10,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:10,062 INFO L93 Difference]: Finished difference Result 3870 states and 6176 transitions. [2024-11-28 02:43:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:43:10,063 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 11.272727272727273) internal successors, (124), 12 states have internal predecessors, (124), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 178 [2024-11-28 02:43:10,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:10,067 INFO L225 Difference]: With dead ends: 3870 [2024-11-28 02:43:10,067 INFO L226 Difference]: Without dead ends: 3868 [2024-11-28 02:43:10,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:43:10,069 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 263 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:10,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 665 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:43:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2024-11-28 02:43:10,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 3819. [2024-11-28 02:43:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 3499 states have (on average 1.6061731923406688) internal successors, (5620), 3560 states have internal predecessors, (5620), 249 states have call successors, (249), 10 states have call predecessors, (249), 10 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-28 02:43:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 6118 transitions. [2024-11-28 02:43:10,278 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 6118 transitions. Word has length 178 [2024-11-28 02:43:10,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:10,278 INFO L471 AbstractCegarLoop]: Abstraction has 3819 states and 6118 transitions. [2024-11-28 02:43:10,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.272727272727273) internal successors, (124), 12 states have internal predecessors, (124), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 02:43:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 6118 transitions. [2024-11-28 02:43:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-28 02:43:10,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:10,279 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:43:10,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Forceful destruction successful, exit code 0 [2024-11-28 02:43:10,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:10,479 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:43:10,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:10,480 INFO L85 PathProgramCache]: Analyzing trace with hash 91003739, now seen corresponding path program 1 times [2024-11-28 02:43:10,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:10,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063834449] [2024-11-28 02:43:10,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:10,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:43:10,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850850646] [2024-11-28 02:43:10,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:10,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:10,500 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:10,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-28 02:43:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:10,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 02:43:10,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-28 02:43:11,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:11,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:11,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063834449] [2024-11-28 02:43:11,403 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:43:11,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850850646] [2024-11-28 02:43:11,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850850646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:11,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:43:11,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 02:43:11,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379621695] [2024-11-28 02:43:11,403 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:11,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:43:11,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:11,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:43:11,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:43:11,404 INFO L87 Difference]: Start difference. First operand 3819 states and 6118 transitions. Second operand has 12 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 02:43:12,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:12,604 INFO L93 Difference]: Finished difference Result 3828 states and 6121 transitions. [2024-11-28 02:43:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:43:12,604 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 178 [2024-11-28 02:43:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:12,609 INFO L225 Difference]: With dead ends: 3828 [2024-11-28 02:43:12,609 INFO L226 Difference]: Without dead ends: 3826 [2024-11-28 02:43:12,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:43:12,610 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 770 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:12,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 676 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:43:12,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2024-11-28 02:43:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3819. [2024-11-28 02:43:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 3499 states have (on average 1.6056016004572735) internal successors, (5618), 3560 states have internal predecessors, (5618), 249 states have call successors, (249), 10 states have call predecessors, (249), 10 states have return successors, (249), 248 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-28 02:43:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 6116 transitions. [2024-11-28 02:43:12,906 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 6116 transitions. Word has length 178 [2024-11-28 02:43:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:12,907 INFO L471 AbstractCegarLoop]: Abstraction has 3819 states and 6116 transitions. [2024-11-28 02:43:12,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-28 02:43:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 6116 transitions. [2024-11-28 02:43:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-28 02:43:12,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:12,908 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 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, 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] [2024-11-28 02:43:12,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-11-28 02:43:13,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:13,108 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:43:13,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:13,109 INFO L85 PathProgramCache]: Analyzing trace with hash -475893099, now seen corresponding path program 1 times [2024-11-28 02:43:13,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:13,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555787819] [2024-11-28 02:43:13,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:43:13,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:13,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555787819] [2024-11-28 02:43:13,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555787819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:13,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672292310] [2024-11-28 02:43:13,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:13,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:13,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:13,235 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:13,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-28 02:43:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:13,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:43:13,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:43:13,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:43:13,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672292310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:43:13,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:43:13,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-28 02:43:13,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474453718] [2024-11-28 02:43:13,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:43:13,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:43:13,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:13,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:43:13,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:43:13,443 INFO L87 Difference]: Start difference. First operand 3819 states and 6116 transitions. Second operand has 8 states, 7 states have (on average 17.857142857142858) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:43:14,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:14,654 INFO L93 Difference]: Finished difference Result 6282 states and 9976 transitions. [2024-11-28 02:43:14,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:43:14,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.857142857142858) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 179 [2024-11-28 02:43:14,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:14,663 INFO L225 Difference]: With dead ends: 6282 [2024-11-28 02:43:14,663 INFO L226 Difference]: Without dead ends: 6240 [2024-11-28 02:43:14,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:43:14,665 INFO L435 NwaCegarLoop]: 477 mSDtfsCounter, 490 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:14,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 2370 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:43:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6240 states. [2024-11-28 02:43:14,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6240 to 5672. [2024-11-28 02:43:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5672 states, 5237 states have (on average 1.6413977468016039) internal successors, (8596), 5298 states have internal predecessors, (8596), 364 states have call successors, (364), 10 states have call predecessors, (364), 10 states have return successors, (364), 363 states have call predecessors, (364), 364 states have call successors, (364) [2024-11-28 02:43:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5672 states to 5672 states and 9324 transitions. [2024-11-28 02:43:14,978 INFO L78 Accepts]: Start accepts. Automaton has 5672 states and 9324 transitions. Word has length 179 [2024-11-28 02:43:14,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:14,978 INFO L471 AbstractCegarLoop]: Abstraction has 5672 states and 9324 transitions. [2024-11-28 02:43:14,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.857142857142858) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:43:14,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5672 states and 9324 transitions. [2024-11-28 02:43:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 02:43:14,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:14,980 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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 02:43:14,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-28 02:43:15,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-11-28 02:43:15,180 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:43:15,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:15,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1916849052, now seen corresponding path program 1 times [2024-11-28 02:43:15,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:15,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008983473] [2024-11-28 02:43:15,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:15,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:43:15,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790655746] [2024-11-28 02:43:15,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:15,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:15,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:15,204 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:15,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-28 02:43:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:15,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:43:15,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 5 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-28 02:43:16,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:16,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:16,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008983473] [2024-11-28 02:43:16,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:43:16,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790655746] [2024-11-28 02:43:16,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790655746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:16,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:43:16,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 02:43:16,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179928788] [2024-11-28 02:43:16,416 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:16,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:43:16,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:16,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:43:16,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:43:16,417 INFO L87 Difference]: Start difference. First operand 5672 states and 9324 transitions. Second operand has 8 states, 7 states have (on average 18.285714285714285) internal successors, (128), 8 states have internal predecessors, (128), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 02:43:17,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:17,422 INFO L93 Difference]: Finished difference Result 5716 states and 9355 transitions. [2024-11-28 02:43:17,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:43:17,423 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 18.285714285714285) internal successors, (128), 8 states have internal predecessors, (128), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 187 [2024-11-28 02:43:17,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:17,431 INFO L225 Difference]: With dead ends: 5716 [2024-11-28 02:43:17,431 INFO L226 Difference]: Without dead ends: 5697 [2024-11-28 02:43:17,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:43:17,435 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 208 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:17,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 666 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:43:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2024-11-28 02:43:17,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 5655. [2024-11-28 02:43:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 5222 states have (on average 1.6411336652623516) internal successors, (8570), 5282 states have internal predecessors, (8570), 363 states have call successors, (363), 9 states have call predecessors, (363), 9 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2024-11-28 02:43:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 9296 transitions. [2024-11-28 02:43:17,781 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 9296 transitions. Word has length 187 [2024-11-28 02:43:17,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:17,781 INFO L471 AbstractCegarLoop]: Abstraction has 5655 states and 9296 transitions. [2024-11-28 02:43:17,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 18.285714285714285) internal successors, (128), 8 states have internal predecessors, (128), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-28 02:43:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 9296 transitions. [2024-11-28 02:43:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-28 02:43:17,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:17,782 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 02:43:17,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-11-28 02:43:17,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-11-28 02:43:17,983 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:43:17,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:17,983 INFO L85 PathProgramCache]: Analyzing trace with hash -829154428, now seen corresponding path program 1 times [2024-11-28 02:43:17,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:17,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579512331] [2024-11-28 02:43:17,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:17,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:43:18,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [522021054] [2024-11-28 02:43:18,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:18,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:18,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:18,008 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:18,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-28 02:43:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:18,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 02:43:18,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:43:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-28 02:43:20,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:43:33,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:43:33,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579512331] [2024-11-28 02:43:33,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:43:33,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522021054] [2024-11-28 02:43:33,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522021054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:43:33,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:43:33,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 02:43:33,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259692348] [2024-11-28 02:43:33,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:43:33,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:43:33,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:43:33,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:43:33,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=139, Unknown=3, NotChecked=0, Total=182 [2024-11-28 02:43:33,058 INFO L87 Difference]: Start difference. First operand 5655 states and 9296 transitions. Second operand has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:43:44,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:43:44,764 INFO L93 Difference]: Finished difference Result 5688 states and 9321 transitions. [2024-11-28 02:43:44,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:43:44,764 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 208 [2024-11-28 02:43:44,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:43:44,770 INFO L225 Difference]: With dead ends: 5688 [2024-11-28 02:43:44,770 INFO L226 Difference]: Without dead ends: 5687 [2024-11-28 02:43:44,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=98, Invalid=279, Unknown=3, NotChecked=0, Total=380 [2024-11-28 02:43:44,771 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 171 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:43:44,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1018 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1437 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2024-11-28 02:43:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2024-11-28 02:43:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5655. [2024-11-28 02:43:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 5222 states have (on average 1.639793182688625) internal successors, (8563), 5282 states have internal predecessors, (8563), 363 states have call successors, (363), 9 states have call predecessors, (363), 9 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2024-11-28 02:43:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 9289 transitions. [2024-11-28 02:43:45,203 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 9289 transitions. Word has length 208 [2024-11-28 02:43:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:43:45,203 INFO L471 AbstractCegarLoop]: Abstraction has 5655 states and 9289 transitions. [2024-11-28 02:43:45,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:43:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 9289 transitions. [2024-11-28 02:43:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-28 02:43:45,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:43:45,204 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 02:43:45,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-28 02:43:45,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable80 [2024-11-28 02:43:45,405 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:43:45,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:43:45,405 INFO L85 PathProgramCache]: Analyzing trace with hash 66016625, now seen corresponding path program 1 times [2024-11-28 02:43:45,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:43:45,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049165370] [2024-11-28 02:43:45,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:43:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:43:45,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780928425] [2024-11-28 02:43:45,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:43:45,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:43:45,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:43:45,424 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:43:45,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-28 02:43:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:43:45,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 02:43:45,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:44:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-28 02:44:05,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:44:18,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:44:18,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049165370] [2024-11-28 02:44:18,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:44:18,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780928425] [2024-11-28 02:44:18,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780928425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:44:18,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:44:18,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 02:44:18,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445332956] [2024-11-28 02:44:18,538 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:44:18,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:44:18,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:44:18,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:44:18,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=159, Unknown=8, NotChecked=0, Total=210 [2024-11-28 02:44:18,539 INFO L87 Difference]: Start difference. First operand 5655 states and 9289 transitions. Second operand has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:44:20,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:44:23,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:44:27,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:44:35,961 WARN L539 Checker$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 02:44:40,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:44:44,018 WARN L539 Checker$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 02:44:48,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:44:56,099 WARN L539 Checker$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 02:45:00,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:04,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:08,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:12,203 WARN L539 Checker$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 02:45:16,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:20,235 WARN L539 Checker$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 02:45:24,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:28,266 WARN L539 Checker$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 02:45:32,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:36,298 WARN L539 Checker$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 02:45:40,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:44,376 WARN L539 Checker$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 02:45:48,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:45:52,413 WARN L539 Checker$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 02:45:56,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:00,448 WARN L539 Checker$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 02:46:04,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:08,020 WARN L539 Checker$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 02:46:12,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:16,052 WARN L539 Checker$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 02:46:20,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:24,076 WARN L539 Checker$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 02:46:28,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:32,106 WARN L539 Checker$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 02:46:36,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:40,134 WARN L539 Checker$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 02:46:44,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:48,163 WARN L539 Checker$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 02:46:52,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:46:56,187 WARN L539 Checker$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 02:47:00,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:04,238 WARN L539 Checker$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 02:47:08,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:12,265 WARN L539 Checker$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 02:47:16,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:18,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:22,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:30,411 WARN L539 Checker$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 02:47:34,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:38,441 WARN L539 Checker$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 02:47:42,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:50,577 WARN L539 Checker$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 02:47:54,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:47:58,603 WARN L539 Checker$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 02:48:01,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:06,183 WARN L539 Checker$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 02:48:10,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:14,216 WARN L539 Checker$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 02:48:18,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:22,244 WARN L539 Checker$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 02:48:26,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:29,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:33,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:37,885 WARN L539 Checker$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 02:48:41,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:45,908 WARN L539 Checker$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 02:48:49,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:48:53,937 WARN L539 Checker$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 02:48:57,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:01,999 WARN L539 Checker$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 02:49:06,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:10,022 WARN L539 Checker$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 02:49:14,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:18,048 WARN L539 Checker$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 02:49:22,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:26,069 WARN L539 Checker$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 02:49:29,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:33,888 WARN L539 Checker$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 02:49:37,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:41,912 WARN L539 Checker$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 02:49:45,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:49,959 WARN L539 Checker$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 02:49:53,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:49:57,982 WARN L539 Checker$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 02:50:01,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:50:06,002 WARN L539 Checker$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 02:50:10,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:50:14,093 WARN L539 Checker$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 02:50:18,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:50:22,211 WARN L539 Checker$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 02:50:26,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:50:30,359 WARN L539 Checker$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 02:50:33,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:50:37,716 WARN L539 Checker$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 02:50:41,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:50:45,026 WARN L539 Checker$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 02:50:49,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:50:53,047 WARN L539 Checker$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 02:50:57,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:01,071 WARN L539 Checker$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 02:51:05,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:09,153 WARN L539 Checker$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 02:51:13,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:17,165 WARN L539 Checker$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 02:51:21,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:25,180 WARN L539 Checker$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 02:51:29,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:33,195 WARN L539 Checker$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 02:51:37,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:41,254 WARN L539 Checker$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 02:51:45,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:49,265 WARN L539 Checker$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 02:51:53,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:51:56,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:00,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:04,588 WARN L539 Checker$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 02:52:08,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:12,600 WARN L539 Checker$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 02:52:16,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:20,611 WARN L539 Checker$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 02:52:23,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:27,853 WARN L539 Checker$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 02:52:31,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:35,863 WARN L539 Checker$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 02:52:40,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:44,198 WARN L539 Checker$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 02:52:48,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:52:52,479 WARN L539 Checker$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 02:52:56,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:53:00,490 WARN L539 Checker$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 02:53:04,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 02:53:08,508 WARN L539 Checker$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 02:53:13,294 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 02:53:13,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:13,501 INFO L93 Difference]: Finished difference Result 5678 states and 9307 transitions. [2024-11-28 02:53:13,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:53:13,502 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 209 [2024-11-28 02:53:13,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:13,509 INFO L225 Difference]: With dead ends: 5678 [2024-11-28 02:53:13,509 INFO L226 Difference]: Without dead ends: 5677 [2024-11-28 02:53:13,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 47.2s TimeCoverageRelationStatistics Valid=100, Invalid=354, Unknown=8, NotChecked=0, Total=462 [2024-11-28 02:53:13,511 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 555 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 37 mSolverCounterUnsat, 130 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 517.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 130 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 518.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:53:13,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 729 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1413 Invalid, 130 Unknown, 0 Unchecked, 518.1s Time] [2024-11-28 02:53:13,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5677 states. [2024-11-28 02:53:13,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5677 to 5655. [2024-11-28 02:53:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 5222 states have (on average 1.639218690157028) internal successors, (8560), 5282 states have internal predecessors, (8560), 363 states have call successors, (363), 9 states have call predecessors, (363), 9 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2024-11-28 02:53:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 9286 transitions. [2024-11-28 02:53:13,872 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 9286 transitions. Word has length 209 [2024-11-28 02:53:13,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:13,873 INFO L471 AbstractCegarLoop]: Abstraction has 5655 states and 9286 transitions. [2024-11-28 02:53:13,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:53:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 9286 transitions. [2024-11-28 02:53:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-28 02:53:13,875 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:13,875 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 02:53:13,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Forceful destruction successful, exit code 0 [2024-11-28 02:53:14,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:53:14,076 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:53:14,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:14,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2046515494, now seen corresponding path program 1 times [2024-11-28 02:53:14,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:53:14,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143116577] [2024-11-28 02:53:14,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:14,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:53:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:53:14,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1704593504] [2024-11-28 02:53:14,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:14,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:53:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:53:14,104 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:53:14,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-28 02:53:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:14,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 02:53:14,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:53:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-28 02:53:17,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:53:17,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:53:17,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143116577] [2024-11-28 02:53:17,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:53:17,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704593504] [2024-11-28 02:53:17,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704593504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:53:17,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:53:17,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 02:53:17,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558003410] [2024-11-28 02:53:17,909 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 02:53:17,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:53:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:53:17,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:53:17,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:53:17,911 INFO L87 Difference]: Start difference. First operand 5655 states and 9286 transitions. Second operand has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:53:21,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:53:21,034 INFO L93 Difference]: Finished difference Result 5688 states and 9320 transitions. [2024-11-28 02:53:21,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:53:21,035 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 210 [2024-11-28 02:53:21,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:53:21,044 INFO L225 Difference]: With dead ends: 5688 [2024-11-28 02:53:21,045 INFO L226 Difference]: Without dead ends: 5687 [2024-11-28 02:53:21,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:53:21,047 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 366 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:53:21,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 804 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 02:53:21,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2024-11-28 02:53:21,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5655. [2024-11-28 02:53:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 5222 states have (on average 1.638644197625431) internal successors, (8557), 5282 states have internal predecessors, (8557), 363 states have call successors, (363), 9 states have call predecessors, (363), 9 states have return successors, (363), 363 states have call predecessors, (363), 363 states have call successors, (363) [2024-11-28 02:53:21,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 9283 transitions. [2024-11-28 02:53:21,439 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 9283 transitions. Word has length 210 [2024-11-28 02:53:21,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:53:21,440 INFO L471 AbstractCegarLoop]: Abstraction has 5655 states and 9283 transitions. [2024-11-28 02:53:21,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 12 states have internal predecessors, (141), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-28 02:53:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 9283 transitions. [2024-11-28 02:53:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-28 02:53:21,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:53:21,441 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:53:21,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-11-28 02:53:21,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:53:21,642 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-28 02:53:21,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:53:21,642 INFO L85 PathProgramCache]: Analyzing trace with hash -982529005, now seen corresponding path program 1 times [2024-11-28 02:53:21,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:53:21,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250143229] [2024-11-28 02:53:21,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:21,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:53:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:53:21,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756727290] [2024-11-28 02:53:21,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:53:21,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:53:21,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:53:21,674 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:53:21,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb7c85ea-ab77-4843-80e7-34e194759d4d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-28 02:53:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:53:21,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 02:53:21,815 INFO L279 TraceCheckSpWp]: Computing forward predicates...