./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU --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 f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:17,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:17,163 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:16:17,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:17,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:17,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:17,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:17,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:17,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:17,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:17,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:17,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:17,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:17,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:17,221 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:17,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:17,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:17,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:17,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:17,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:17,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:17,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:17,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:17,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:17,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:17,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:16:17,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:16:17,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:17,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:17,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:17,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:17,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:17,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:17,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:17,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:17,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:17,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:17,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:17,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:17,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:17,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:17,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:17,234 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:17,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:17,235 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36f5593156fc25b34b4c706b0d898a2d66ee8bab5f6d91cd69ff9cf3c129193 [2024-10-31 22:16:17,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:17,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:17,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:17,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:17,628 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:17,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c Unable to find full path for "g++" [2024-10-31 22:16:19,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:19,971 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:19,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2024-10-31 22:16:19,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/data/facb3535b/063b6683c9ec45dbae79438707082bf0/FLAG12789ea11 [2024-10-31 22:16:20,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/data/facb3535b/063b6683c9ec45dbae79438707082bf0 [2024-10-31 22:16:20,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:20,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:20,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:20,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:20,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:20,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2433d390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20, skipping insertion in model container [2024-10-31 22:16:20,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:20,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:20,368 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:20,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:20,444 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:20,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20 WrapperNode [2024-10-31 22:16:20,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:20,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:20,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:20,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:20,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,535 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 323 [2024-10-31 22:16:20,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:20,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:20,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:20,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:20,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,591 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-10-31 22:16:20,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:20,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:20,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:20,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:20,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (1/1) ... [2024-10-31 22:16:20,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:20,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:20,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:20,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:16:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:16:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:16:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:16:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:16:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:16:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:16:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:16:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:16:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:16:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:16:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:16:20,743 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:16:20,888 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:20,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:21,812 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:16:21,812 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:22,366 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:22,366 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:16:22,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:22 BoogieIcfgContainer [2024-10-31 22:16:22,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:22,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:22,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:22,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:22,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:20" (1/3) ... [2024-10-31 22:16:22,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8bd20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:22, skipping insertion in model container [2024-10-31 22:16:22,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:20" (2/3) ... [2024-10-31 22:16:22,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b8bd20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:22, skipping insertion in model container [2024-10-31 22:16:22,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:22" (3/3) ... [2024-10-31 22:16:22,378 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2024-10-31 22:16:22,400 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:22,401 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-31 22:16:22,401 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:16:22,489 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:16:22,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 107 transitions, 235 flow [2024-10-31 22:16:22,642 INFO L124 PetriNetUnfolderBase]: 12/104 cut-off events. [2024-10-31 22:16:22,647 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:16:22,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 104 events. 12/104 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 384 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2024-10-31 22:16:22,663 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 107 transitions, 235 flow [2024-10-31 22:16:22,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 102 transitions, 219 flow [2024-10-31 22:16:22,694 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:22,702 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;@7b4a6107, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:22,703 INFO L334 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2024-10-31 22:16:22,707 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:16:22,708 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-10-31 22:16:22,708 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:16:22,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:22,709 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-10-31 22:16:22,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:22,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:22,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1000784, now seen corresponding path program 1 times [2024-10-31 22:16:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:22,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344483649] [2024-10-31 22:16:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:22,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:23,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344483649] [2024-10-31 22:16:23,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344483649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:23,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:23,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:23,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607485117] [2024-10-31 22:16:23,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:23,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:23,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:23,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:23,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:23,439 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 107 [2024-10-31 22:16:23,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 102 transitions, 219 flow. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:23,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:23,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 107 [2024-10-31 22:16:23,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:25,102 INFO L124 PetriNetUnfolderBase]: 4133/8574 cut-off events. [2024-10-31 22:16:25,103 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2024-10-31 22:16:25,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14289 conditions, 8574 events. 4133/8574 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 75082 event pairs, 2732 based on Foata normal form. 3/6721 useless extension candidates. Maximal degree in co-relation 13590. Up to 5489 conditions per place. [2024-10-31 22:16:25,204 INFO L140 encePairwiseOnDemand]: 91/107 looper letters, 50 selfloop transitions, 10 changer transitions 0/111 dead transitions. [2024-10-31 22:16:25,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 111 transitions, 357 flow [2024-10-31 22:16:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:16:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:16:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 282 transitions. [2024-10-31 22:16:25,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6588785046728972 [2024-10-31 22:16:25,223 INFO L175 Difference]: Start difference. First operand has 100 places, 102 transitions, 219 flow. Second operand 4 states and 282 transitions. [2024-10-31 22:16:25,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 111 transitions, 357 flow [2024-10-31 22:16:25,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 111 transitions, 348 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:16:25,238 INFO L231 Difference]: Finished difference. Result has 101 places, 111 transitions, 298 flow [2024-10-31 22:16:25,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=298, PETRI_PLACES=101, PETRI_TRANSITIONS=111} [2024-10-31 22:16:25,249 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 1 predicate places. [2024-10-31 22:16:25,250 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 111 transitions, 298 flow [2024-10-31 22:16:25,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:25,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:25,251 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-10-31 22:16:25,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:16:25,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:25,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash -249427598, now seen corresponding path program 1 times [2024-10-31 22:16:25,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:25,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915590751] [2024-10-31 22:16:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:25,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:25,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:25,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915590751] [2024-10-31 22:16:25,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915590751] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:25,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451323697] [2024-10-31 22:16:25,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:25,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:25,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:25,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:25,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:16:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:25,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:16:25,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:25,720 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:16:25,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451323697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:25,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:16:25,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-31 22:16:25,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660629913] [2024-10-31 22:16:25,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:25,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:25,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:25,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:25,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:16:25,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 107 [2024-10-31 22:16:25,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 111 transitions, 298 flow. Second operand has 6 states, 6 states have (on average 54.833333333333336) internal successors, (329), 6 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:25,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:25,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 107 [2024-10-31 22:16:25,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:27,108 INFO L124 PetriNetUnfolderBase]: 4133/8571 cut-off events. [2024-10-31 22:16:27,108 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-10-31 22:16:27,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14235 conditions, 8571 events. 4133/8571 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 75080 event pairs, 2732 based on Foata normal form. 3/6723 useless extension candidates. Maximal degree in co-relation 14162. Up to 5474 conditions per place. [2024-10-31 22:16:27,188 INFO L140 encePairwiseOnDemand]: 94/107 looper letters, 40 selfloop transitions, 17 changer transitions 0/108 dead transitions. [2024-10-31 22:16:27,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 108 transitions, 400 flow [2024-10-31 22:16:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:27,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:16:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 384 transitions. [2024-10-31 22:16:27,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5981308411214953 [2024-10-31 22:16:27,192 INFO L175 Difference]: Start difference. First operand has 101 places, 111 transitions, 298 flow. Second operand 6 states and 384 transitions. [2024-10-31 22:16:27,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 108 transitions, 400 flow [2024-10-31 22:16:27,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 108 transitions, 400 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:16:27,198 INFO L231 Difference]: Finished difference. Result has 103 places, 108 transitions, 320 flow [2024-10-31 22:16:27,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=320, PETRI_PLACES=103, PETRI_TRANSITIONS=108} [2024-10-31 22:16:27,200 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 3 predicate places. [2024-10-31 22:16:27,201 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 108 transitions, 320 flow [2024-10-31 22:16:27,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.833333333333336) internal successors, (329), 6 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:27,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:27,202 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1] [2024-10-31 22:16:27,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:16:27,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:27,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:27,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash 857680047, now seen corresponding path program 1 times [2024-10-31 22:16:27,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:27,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214740382] [2024-10-31 22:16:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:27,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:27,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214740382] [2024-10-31 22:16:27,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214740382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:27,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934246371] [2024-10-31 22:16:27,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:27,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:27,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:27,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:27,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:16:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:27,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:16:27,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:27,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:27,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934246371] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:27,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:27,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-31 22:16:27,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372566030] [2024-10-31 22:16:27,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:27,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:16:27,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:27,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:16:27,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:16:27,912 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 107 [2024-10-31 22:16:27,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 108 transitions, 320 flow. Second operand has 12 states, 12 states have (on average 55.083333333333336) internal successors, (661), 12 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:27,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:27,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 107 [2024-10-31 22:16:27,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:29,557 INFO L124 PetriNetUnfolderBase]: 4142/8607 cut-off events. [2024-10-31 22:16:29,557 INFO L125 PetriNetUnfolderBase]: For 137/137 co-relation queries the response was YES. [2024-10-31 22:16:29,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14376 conditions, 8607 events. 4142/8607 cut-off events. For 137/137 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 75478 event pairs, 2732 based on Foata normal form. 9/6765 useless extension candidates. Maximal degree in co-relation 14164. Up to 5489 conditions per place. [2024-10-31 22:16:29,621 INFO L140 encePairwiseOnDemand]: 94/107 looper letters, 47 selfloop transitions, 37 changer transitions 0/135 dead transitions. [2024-10-31 22:16:29,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 135 transitions, 662 flow [2024-10-31 22:16:29,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:16:29,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:16:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 633 transitions. [2024-10-31 22:16:29,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.591588785046729 [2024-10-31 22:16:29,624 INFO L175 Difference]: Start difference. First operand has 103 places, 108 transitions, 320 flow. Second operand 10 states and 633 transitions. [2024-10-31 22:16:29,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 135 transitions, 662 flow [2024-10-31 22:16:29,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 135 transitions, 579 flow, removed 16 selfloop flow, removed 5 redundant places. [2024-10-31 22:16:29,631 INFO L231 Difference]: Finished difference. Result has 110 places, 135 transitions, 535 flow [2024-10-31 22:16:29,632 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=535, PETRI_PLACES=110, PETRI_TRANSITIONS=135} [2024-10-31 22:16:29,633 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 10 predicate places. [2024-10-31 22:16:29,634 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 135 transitions, 535 flow [2024-10-31 22:16:29,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 55.083333333333336) internal successors, (661), 12 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:29,635 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:29,635 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:29,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:16:29,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:29,837 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:29,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:29,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1214103751, now seen corresponding path program 1 times [2024-10-31 22:16:29,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:29,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043000899] [2024-10-31 22:16:29,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:29,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:30,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:30,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043000899] [2024-10-31 22:16:30,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043000899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:30,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:30,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:16:30,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086977029] [2024-10-31 22:16:30,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:30,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:30,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:30,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:30,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:30,043 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 107 [2024-10-31 22:16:30,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 135 transitions, 535 flow. Second operand has 4 states, 4 states have (on average 56.25) internal successors, (225), 4 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:30,044 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:30,044 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 107 [2024-10-31 22:16:30,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:32,023 INFO L124 PetriNetUnfolderBase]: 8073/14774 cut-off events. [2024-10-31 22:16:32,023 INFO L125 PetriNetUnfolderBase]: For 173/173 co-relation queries the response was YES. [2024-10-31 22:16:32,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25950 conditions, 14774 events. 8073/14774 cut-off events. For 173/173 co-relation queries the response was YES. Maximal size of possible extension queue 835. Compared 126510 event pairs, 2473 based on Foata normal form. 364/12263 useless extension candidates. Maximal degree in co-relation 25852. Up to 5062 conditions per place. [2024-10-31 22:16:32,172 INFO L140 encePairwiseOnDemand]: 99/107 looper letters, 131 selfloop transitions, 5 changer transitions 0/184 dead transitions. [2024-10-31 22:16:32,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 184 transitions, 911 flow [2024-10-31 22:16:32,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:16:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:16:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 319 transitions. [2024-10-31 22:16:32,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7453271028037384 [2024-10-31 22:16:32,175 INFO L175 Difference]: Start difference. First operand has 110 places, 135 transitions, 535 flow. Second operand 4 states and 319 transitions. [2024-10-31 22:16:32,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 184 transitions, 911 flow [2024-10-31 22:16:32,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 184 transitions, 874 flow, removed 9 selfloop flow, removed 2 redundant places. [2024-10-31 22:16:32,188 INFO L231 Difference]: Finished difference. Result has 113 places, 137 transitions, 532 flow [2024-10-31 22:16:32,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=532, PETRI_PLACES=113, PETRI_TRANSITIONS=137} [2024-10-31 22:16:32,189 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 13 predicate places. [2024-10-31 22:16:32,190 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 137 transitions, 532 flow [2024-10-31 22:16:32,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.25) internal successors, (225), 4 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:32,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:32,191 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:32,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:16:32,192 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:32,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1017488303, now seen corresponding path program 1 times [2024-10-31 22:16:32,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:32,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117151941] [2024-10-31 22:16:32,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:32,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:32,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117151941] [2024-10-31 22:16:32,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117151941] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:32,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:32,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:32,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005972596] [2024-10-31 22:16:32,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:32,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:32,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:32,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:32,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:32,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 107 [2024-10-31 22:16:32,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 137 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:32,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:32,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 107 [2024-10-31 22:16:32,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:34,101 INFO L124 PetriNetUnfolderBase]: 5184/10990 cut-off events. [2024-10-31 22:16:34,105 INFO L125 PetriNetUnfolderBase]: For 1932/2198 co-relation queries the response was YES. [2024-10-31 22:16:34,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19701 conditions, 10990 events. 5184/10990 cut-off events. For 1932/2198 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 102048 event pairs, 3504 based on Foata normal form. 138/8944 useless extension candidates. Maximal degree in co-relation 19605. Up to 6912 conditions per place. [2024-10-31 22:16:34,211 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 68 selfloop transitions, 12 changer transitions 0/134 dead transitions. [2024-10-31 22:16:34,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 134 transitions, 679 flow [2024-10-31 22:16:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:16:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-10-31 22:16:34,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7289719626168224 [2024-10-31 22:16:34,214 INFO L175 Difference]: Start difference. First operand has 113 places, 137 transitions, 532 flow. Second operand 3 states and 234 transitions. [2024-10-31 22:16:34,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 134 transitions, 679 flow [2024-10-31 22:16:34,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 134 transitions, 667 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:16:34,266 INFO L231 Difference]: Finished difference. Result has 114 places, 134 transitions, 531 flow [2024-10-31 22:16:34,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=531, PETRI_PLACES=114, PETRI_TRANSITIONS=134} [2024-10-31 22:16:34,268 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 14 predicate places. [2024-10-31 22:16:34,269 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 134 transitions, 531 flow [2024-10-31 22:16:34,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:34,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:34,270 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1] [2024-10-31 22:16:34,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:16:34,271 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:34,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:34,272 INFO L85 PathProgramCache]: Analyzing trace with hash -2117255407, now seen corresponding path program 2 times [2024-10-31 22:16:34,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:34,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239313790] [2024-10-31 22:16:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:34,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:16:34,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:34,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239313790] [2024-10-31 22:16:34,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239313790] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:34,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168574725] [2024-10-31 22:16:34,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:16:34,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:34,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:34,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:34,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:16:34,674 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:16:34,675 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:16:34,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:16:34,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:16:34,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:16:34,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168574725] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:34,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:34,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 2, 2] total 13 [2024-10-31 22:16:34,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414442503] [2024-10-31 22:16:34,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:34,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-31 22:16:34,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:34,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 22:16:34,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:16:34,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 107 [2024-10-31 22:16:34,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 134 transitions, 531 flow. Second operand has 15 states, 15 states have (on average 55.333333333333336) internal successors, (830), 15 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:35,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:35,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 107 [2024-10-31 22:16:35,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:36,694 INFO L124 PetriNetUnfolderBase]: 5187/10993 cut-off events. [2024-10-31 22:16:36,694 INFO L125 PetriNetUnfolderBase]: For 1944/2210 co-relation queries the response was YES. [2024-10-31 22:16:36,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19713 conditions, 10993 events. 5187/10993 cut-off events. For 1944/2210 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 102031 event pairs, 3504 based on Foata normal form. 138/8948 useless extension candidates. Maximal degree in co-relation 19608. Up to 6886 conditions per place. [2024-10-31 22:16:36,791 INFO L140 encePairwiseOnDemand]: 94/107 looper letters, 37 selfloop transitions, 49 changer transitions 0/137 dead transitions. [2024-10-31 22:16:36,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 137 transitions, 710 flow [2024-10-31 22:16:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-31 22:16:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-10-31 22:16:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 789 transitions. [2024-10-31 22:16:36,795 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5672178289000719 [2024-10-31 22:16:36,795 INFO L175 Difference]: Start difference. First operand has 114 places, 134 transitions, 531 flow. Second operand 13 states and 789 transitions. [2024-10-31 22:16:36,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 137 transitions, 710 flow [2024-10-31 22:16:36,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 137 transitions, 652 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-10-31 22:16:36,841 INFO L231 Difference]: Finished difference. Result has 117 places, 137 transitions, 578 flow [2024-10-31 22:16:36,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=578, PETRI_PLACES=117, PETRI_TRANSITIONS=137} [2024-10-31 22:16:36,842 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 17 predicate places. [2024-10-31 22:16:36,842 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 137 transitions, 578 flow [2024-10-31 22:16:36,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 55.333333333333336) internal successors, (830), 15 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:36,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:36,844 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:36,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:16:37,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-31 22:16:37,045 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:37,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:37,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1237586700, now seen corresponding path program 1 times [2024-10-31 22:16:37,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:37,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890177536] [2024-10-31 22:16:37,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:37,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:16:37,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:37,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890177536] [2024-10-31 22:16:37,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890177536] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:37,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435210152] [2024-10-31 22:16:37,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:37,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:37,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:37,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:37,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:16:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:37,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:16:37,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:16:37,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:16:37,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435210152] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:37,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:37,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-31 22:16:37,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600036484] [2024-10-31 22:16:37,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:37,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-31 22:16:37,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:37,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-31 22:16:37,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:16:37,545 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 107 [2024-10-31 22:16:37,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 137 transitions, 578 flow. Second operand has 11 states, 11 states have (on average 55.90909090909091) internal successors, (615), 11 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:37,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:37,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 107 [2024-10-31 22:16:37,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:39,529 INFO L124 PetriNetUnfolderBase]: 5181/10987 cut-off events. [2024-10-31 22:16:39,529 INFO L125 PetriNetUnfolderBase]: For 1941/2207 co-relation queries the response was YES. [2024-10-31 22:16:39,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19705 conditions, 10987 events. 5181/10987 cut-off events. For 1941/2207 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 101875 event pairs, 3504 based on Foata normal form. 135/8932 useless extension candidates. Maximal degree in co-relation 19481. Up to 6893 conditions per place. [2024-10-31 22:16:39,581 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 43 selfloop transitions, 37 changer transitions 0/131 dead transitions. [2024-10-31 22:16:39,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 131 transitions, 696 flow [2024-10-31 22:16:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:16:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:16:39,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 444 transitions. [2024-10-31 22:16:39,584 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5927903871829105 [2024-10-31 22:16:39,584 INFO L175 Difference]: Start difference. First operand has 117 places, 137 transitions, 578 flow. Second operand 7 states and 444 transitions. [2024-10-31 22:16:39,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 131 transitions, 696 flow [2024-10-31 22:16:39,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 131 transitions, 540 flow, removed 11 selfloop flow, removed 12 redundant places. [2024-10-31 22:16:39,620 INFO L231 Difference]: Finished difference. Result has 111 places, 131 transitions, 454 flow [2024-10-31 22:16:39,620 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=454, PETRI_PLACES=111, PETRI_TRANSITIONS=131} [2024-10-31 22:16:39,620 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 11 predicate places. [2024-10-31 22:16:39,621 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 131 transitions, 454 flow [2024-10-31 22:16:39,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 55.90909090909091) internal successors, (615), 11 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:39,621 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:39,621 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:39,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:16:39,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-31 22:16:39,822 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:39,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:39,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1669756116, now seen corresponding path program 2 times [2024-10-31 22:16:39,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:39,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320321009] [2024-10-31 22:16:39,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:39,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:40,098 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 22:16:40,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320321009] [2024-10-31 22:16:40,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320321009] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:40,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161080263] [2024-10-31 22:16:40,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:16:40,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:40,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:40,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:16:40,248 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:16:40,248 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:16:40,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:16:40,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 22:16:40,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 22:16:40,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161080263] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:40,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:40,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-10-31 22:16:40,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414531267] [2024-10-31 22:16:40,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:40,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-31 22:16:40,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:40,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-31 22:16:40,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:16:40,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 107 [2024-10-31 22:16:40,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 131 transitions, 454 flow. Second operand has 18 states, 18 states have (on average 55.611111111111114) internal successors, (1001), 18 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:40,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:16:40,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 107 [2024-10-31 22:16:40,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:16:41,815 INFO L124 PetriNetUnfolderBase]: 5175/10981 cut-off events. [2024-10-31 22:16:41,816 INFO L125 PetriNetUnfolderBase]: For 1905/2171 co-relation queries the response was YES. [2024-10-31 22:16:41,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19645 conditions, 10981 events. 5175/10981 cut-off events. For 1905/2171 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 101702 event pairs, 3504 based on Foata normal form. 137/8935 useless extension candidates. Maximal degree in co-relation 19483. Up to 6885 conditions per place. [2024-10-31 22:16:41,892 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 41 selfloop transitions, 33 changer transitions 0/125 dead transitions. [2024-10-31 22:16:41,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 125 transitions, 572 flow [2024-10-31 22:16:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:16:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 22:16:41,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 672 transitions. [2024-10-31 22:16:41,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5709430756159728 [2024-10-31 22:16:41,895 INFO L175 Difference]: Start difference. First operand has 111 places, 131 transitions, 454 flow. Second operand 11 states and 672 transitions. [2024-10-31 22:16:41,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 125 transitions, 572 flow [2024-10-31 22:16:41,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 125 transitions, 506 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:16:41,923 INFO L231 Difference]: Finished difference. Result has 115 places, 125 transitions, 424 flow [2024-10-31 22:16:41,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=424, PETRI_PLACES=115, PETRI_TRANSITIONS=125} [2024-10-31 22:16:41,925 INFO L277 CegarLoopForPetriNet]: 100 programPoint places, 15 predicate places. [2024-10-31 22:16:41,925 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 125 transitions, 424 flow [2024-10-31 22:16:41,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 55.611111111111114) internal successors, (1001), 18 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:16:41,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:16:41,926 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:41,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:16:42,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:42,127 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2024-10-31 22:16:42,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:42,127 INFO L85 PathProgramCache]: Analyzing trace with hash -242379596, now seen corresponding path program 3 times [2024-10-31 22:16:42,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:42,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791303185] [2024-10-31 22:16:42,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:42,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-10-31 22:16:44,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:44,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791303185] [2024-10-31 22:16:44,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791303185] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:44,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606479026] [2024-10-31 22:16:44,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:16:44,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:44,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:44,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:44,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c99ba65-65a8-4ad7-a9ff-d17cde8f733b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:16:44,721 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-31 22:16:44,721 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:16:44,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-10-31 22:16:44,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:44,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-31 22:16:44,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-31 22:16:45,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-10-31 22:16:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-31 22:16:45,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-31 22:16:45,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-31 22:16:45,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-31 22:16:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-31 22:16:45,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-31 22:16:45,470 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-31 22:16:45,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-10-31 22:16:45,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-31 22:16:45,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-31 22:16:45,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-31 22:16:45,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-31 22:16:45,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-10-31 22:16:45,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-31 22:16:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 52 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-10-31 22:16:45,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:45,883 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_222 (Array Int Int))) (< (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_222) c_~o_2~0.base) c_~o_2~0.offset) 9223372039002259456)) is different from false