/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 03:59:49,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 03:59:49,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-27 03:59:49,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 03:59:49,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 03:59:49,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 03:59:49,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 03:59:49,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 03:59:49,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 03:59:49,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 03:59:49,491 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 03:59:49,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 03:59:49,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 03:59:49,492 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 03:59:49,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 03:59:49,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 03:59:49,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 03:59:49,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 03:59:49,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 03:59:49,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 03:59:49,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 03:59:49,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 03:59:49,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 03:59:49,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 03:59:49,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 03:59:49,495 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 03:59:49,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 03:59:49,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 03:59:49,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 03:59:49,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 03:59:49,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 03:59:49,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 03:59:49,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 03:59:49,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 03:59:49,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 03:59:49,497 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 03:59:49,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 03:59:49,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 03:59:49,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 03:59:49,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 03:59:49,840 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 03:59:49,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-27 03:59:50,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 03:59:51,078 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 03:59:51,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-08-27 03:59:51,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d684684/7613ac46a4754496978c5d2a5125fe70/FLAG293765b90 [2023-08-27 03:59:51,103 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24d684684/7613ac46a4754496978c5d2a5125fe70 [2023-08-27 03:59:51,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 03:59:51,105 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 03:59:51,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 03:59:51,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 03:59:51,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 03:59:51,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd2e1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51, skipping insertion in model container [2023-08-27 03:59:51,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 03:59:51,283 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-27 03:59:51,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 03:59:51,677 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 03:59:51,685 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-27 03:59:51,699 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-27 03:59:51,700 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-08-27 03:59:51,703 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-08-27 03:59:51,717 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-08-27 03:59:51,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 03:59:51,815 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 03:59:51,815 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 03:59:51,815 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 03:59:51,820 INFO L206 MainTranslator]: Completed translation [2023-08-27 03:59:51,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51 WrapperNode [2023-08-27 03:59:51,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 03:59:51,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 03:59:51,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 03:59:51,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 03:59:51,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,883 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 164 [2023-08-27 03:59:51,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 03:59:51,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 03:59:51,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 03:59:51,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 03:59:51,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 03:59:51,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 03:59:51,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 03:59:51,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 03:59:51,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (1/1) ... [2023-08-27 03:59:51,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 03:59:51,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 03:59:51,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-27 03:59:51,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-27 03:59:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-27 03:59:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 03:59:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-27 03:59:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 03:59:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-27 03:59:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 03:59:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-27 03:59:51,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 03:59:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 03:59:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-27 03:59:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-27 03:59:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 03:59:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 03:59:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 03:59:51,999 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 03:59:52,197 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 03:59:52,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 03:59:52,391 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 03:59:52,457 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 03:59:52,457 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 03:59:52,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:52 BoogieIcfgContainer [2023-08-27 03:59:52,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 03:59:52,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 03:59:52,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 03:59:52,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 03:59:52,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 03:59:51" (1/3) ... [2023-08-27 03:59:52,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b9b9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 03:59:52, skipping insertion in model container [2023-08-27 03:59:52,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:51" (2/3) ... [2023-08-27 03:59:52,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b9b9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 03:59:52, skipping insertion in model container [2023-08-27 03:59:52,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:52" (3/3) ... [2023-08-27 03:59:52,467 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-08-27 03:59:52,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 03:59:52,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-27 03:59:52,481 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 03:59:52,567 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-27 03:59:52,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 183 transitions, 382 flow [2023-08-27 03:59:52,664 INFO L124 PetriNetUnfolderBase]: 14/231 cut-off events. [2023-08-27 03:59:52,664 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-27 03:59:52,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 231 events. 14/231 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 465 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 117. Up to 4 conditions per place. [2023-08-27 03:59:52,669 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 183 transitions, 382 flow [2023-08-27 03:59:52,674 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 177 places, 180 transitions, 372 flow [2023-08-27 03:59:52,677 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:59:52,685 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 177 places, 180 transitions, 372 flow [2023-08-27 03:59:52,687 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 177 places, 180 transitions, 372 flow [2023-08-27 03:59:52,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 177 places, 180 transitions, 372 flow [2023-08-27 03:59:52,734 INFO L124 PetriNetUnfolderBase]: 13/230 cut-off events. [2023-08-27 03:59:52,734 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-27 03:59:52,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 230 events. 13/230 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 477 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 116. Up to 4 conditions per place. [2023-08-27 03:59:52,737 INFO L119 LiptonReduction]: Number of co-enabled transitions 4448 [2023-08-27 03:59:59,646 INFO L134 LiptonReduction]: Checked pairs total: 11313 [2023-08-27 03:59:59,646 INFO L136 LiptonReduction]: Total number of compositions: 188 [2023-08-27 03:59:59,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 03:59:59,666 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@c13d84d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:59:59,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-08-27 03:59:59,670 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:59:59,670 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2023-08-27 03:59:59,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 03:59:59,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:59:59,670 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 03:59:59,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-27 03:59:59,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:59:59,674 INFO L85 PathProgramCache]: Analyzing trace with hash 22362838, now seen corresponding path program 1 times [2023-08-27 03:59:59,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:59:59,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639867715] [2023-08-27 03:59:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:59:59,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:59:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 04:00:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 04:00:00,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 04:00:00,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639867715] [2023-08-27 04:00:00,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639867715] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 04:00:00,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 04:00:00,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 04:00:00,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923309701] [2023-08-27 04:00:00,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 04:00:00,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 04:00:00,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 04:00:00,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 04:00:00,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 04:00:00,129 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 371 [2023-08-27 04:00:00,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2023-08-27 04:00:00,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 04:00:00,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 371 [2023-08-27 04:00:00,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 04:00:00,463 INFO L124 PetriNetUnfolderBase]: 1431/2342 cut-off events. [2023-08-27 04:00:00,463 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-08-27 04:00:00,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4715 conditions, 2342 events. 1431/2342 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 12401 event pairs, 740 based on Foata normal form. 0/1635 useless extension candidates. Maximal degree in co-relation 4404. Up to 1702 conditions per place. [2023-08-27 04:00:00,477 INFO L140 encePairwiseOnDemand]: 362/371 looper letters, 50 selfloop transitions, 8 changer transitions 0/58 dead transitions. [2023-08-27 04:00:00,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 58 transitions, 244 flow [2023-08-27 04:00:00,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 04:00:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 04:00:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2023-08-27 04:00:00,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39802336028751123 [2023-08-27 04:00:00,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 443 transitions. [2023-08-27 04:00:00,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 443 transitions. [2023-08-27 04:00:00,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 04:00:00,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 443 transitions. [2023-08-27 04:00:00,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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) [2023-08-27 04:00:00,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 371.0) internal successors, (1484), 4 states have internal predecessors, (1484), 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) [2023-08-27 04:00:00,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 371.0) internal successors, (1484), 4 states have internal predecessors, (1484), 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) [2023-08-27 04:00:00,510 INFO L175 Difference]: Start difference. First operand has 45 places, 40 transitions, 92 flow. Second operand 3 states and 443 transitions. [2023-08-27 04:00:00,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 58 transitions, 244 flow [2023-08-27 04:00:00,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 58 transitions, 236 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-27 04:00:00,517 INFO L231 Difference]: Finished difference. Result has 45 places, 46 transitions, 142 flow [2023-08-27 04:00:00,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=45, PETRI_TRANSITIONS=46} [2023-08-27 04:00:00,521 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places. [2023-08-27 04:00:00,521 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 46 transitions, 142 flow [2023-08-27 04:00:00,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2023-08-27 04:00:00,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 04:00:00,522 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 04:00:00,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 04:00:00,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-27 04:00:00,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 04:00:00,523 INFO L85 PathProgramCache]: Analyzing trace with hash 693249098, now seen corresponding path program 1 times [2023-08-27 04:00:00,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 04:00:00,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573228223] [2023-08-27 04:00:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 04:00:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 04:00:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 04:00:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 04:00:00,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 04:00:00,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573228223] [2023-08-27 04:00:00,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573228223] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 04:00:00,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 04:00:00,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 04:00:00,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611941537] [2023-08-27 04:00:00,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 04:00:00,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 04:00:00,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 04:00:00,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 04:00:00,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 04:00:00,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 371 [2023-08-27 04:00:00,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 46 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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) [2023-08-27 04:00:00,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 04:00:00,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 371 [2023-08-27 04:00:00,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 04:00:00,925 INFO L124 PetriNetUnfolderBase]: 1735/2821 cut-off events. [2023-08-27 04:00:00,925 INFO L125 PetriNetUnfolderBase]: For 886/886 co-relation queries the response was YES. [2023-08-27 04:00:00,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7172 conditions, 2821 events. 1735/2821 cut-off events. For 886/886 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 15358 event pairs, 1010 based on Foata normal form. 65/2334 useless extension candidates. Maximal degree in co-relation 1399. Up to 2199 conditions per place. [2023-08-27 04:00:00,939 INFO L140 encePairwiseOnDemand]: 363/371 looper letters, 55 selfloop transitions, 10 changer transitions 2/67 dead transitions. [2023-08-27 04:00:00,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 67 transitions, 352 flow [2023-08-27 04:00:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 04:00:00,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 04:00:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions. [2023-08-27 04:00:00,941 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3971248876909254 [2023-08-27 04:00:00,941 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 442 transitions. [2023-08-27 04:00:00,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 442 transitions. [2023-08-27 04:00:00,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 04:00:00,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 442 transitions. [2023-08-27 04:00:00,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 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) [2023-08-27 04:00:00,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 371.0) internal successors, (1484), 4 states have internal predecessors, (1484), 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) [2023-08-27 04:00:00,945 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 371.0) internal successors, (1484), 4 states have internal predecessors, (1484), 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) [2023-08-27 04:00:00,946 INFO L175 Difference]: Start difference. First operand has 45 places, 46 transitions, 142 flow. Second operand 3 states and 442 transitions. [2023-08-27 04:00:00,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 67 transitions, 352 flow [2023-08-27 04:00:00,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 67 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 04:00:00,955 INFO L231 Difference]: Finished difference. Result has 46 places, 53 transitions, 206 flow [2023-08-27 04:00:00,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=371, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=46, PETRI_TRANSITIONS=53} [2023-08-27 04:00:00,956 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2023-08-27 04:00:00,956 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 53 transitions, 206 flow [2023-08-27 04:00:00,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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) [2023-08-27 04:00:00,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 04:00:00,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-27 04:00:00,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 04:00:00,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (and 11 more)] === [2023-08-27 04:00:00,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 04:00:00,960 INFO L85 PathProgramCache]: Analyzing trace with hash 689005387, now seen corresponding path program 1 times [2023-08-27 04:00:00,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 04:00:00,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003971989] [2023-08-27 04:00:00,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 04:00:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 04:00:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 04:00:00,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 04:00:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 04:00:01,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 04:00:01,021 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 04:00:01,022 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2023-08-27 04:00:01,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (12 of 14 remaining) [2023-08-27 04:00:01,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (11 of 14 remaining) [2023-08-27 04:00:01,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (10 of 14 remaining) [2023-08-27 04:00:01,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONASSERT (9 of 14 remaining) [2023-08-27 04:00:01,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONASSERT (8 of 14 remaining) [2023-08-27 04:00:01,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (7 of 14 remaining) [2023-08-27 04:00:01,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2023-08-27 04:00:01,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2023-08-27 04:00:01,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2023-08-27 04:00:01,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2023-08-27 04:00:01,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2023-08-27 04:00:01,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2023-08-27 04:00:01,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2023-08-27 04:00:01,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-27 04:00:01,030 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-27 04:00:01,034 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 04:00:01,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 04:00:01,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 04:00:01 BasicIcfg [2023-08-27 04:00:01,053 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 04:00:01,055 INFO L158 Benchmark]: Toolchain (without parser) took 9947.95ms. Allocated memory was 385.9MB in the beginning and 488.6MB in the end (delta: 102.8MB). Free memory was 358.2MB in the beginning and 181.0MB in the end (delta: 177.2MB). Peak memory consumption was 280.0MB. Max. memory is 16.0GB. [2023-08-27 04:00:01,055 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 385.9MB. Free memory is still 363.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 04:00:01,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.18ms. Allocated memory is still 385.9MB. Free memory was 357.5MB in the beginning and 302.7MB in the end (delta: 54.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. [2023-08-27 04:00:01,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.80ms. Allocated memory is still 385.9MB. Free memory was 302.7MB in the beginning and 298.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-27 04:00:01,057 INFO L158 Benchmark]: Boogie Preprocessor took 49.17ms. Allocated memory is still 385.9MB. Free memory was 298.5MB in the beginning and 295.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-27 04:00:01,057 INFO L158 Benchmark]: RCFGBuilder took 525.02ms. Allocated memory is still 385.9MB. Free memory was 295.6MB in the beginning and 264.9MB in the end (delta: 30.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-27 04:00:01,057 INFO L158 Benchmark]: TraceAbstraction took 8592.42ms. Allocated memory was 385.9MB in the beginning and 488.6MB in the end (delta: 102.8MB). Free memory was 264.2MB in the beginning and 181.0MB in the end (delta: 83.2MB). Peak memory consumption was 185.6MB. Max. memory is 16.0GB. [2023-08-27 04:00:01,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 385.9MB. Free memory is still 363.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 714.18ms. Allocated memory is still 385.9MB. Free memory was 357.5MB in the beginning and 302.7MB in the end (delta: 54.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 62.80ms. Allocated memory is still 385.9MB. Free memory was 302.7MB in the beginning and 298.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 49.17ms. Allocated memory is still 385.9MB. Free memory was 298.5MB in the beginning and 295.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 525.02ms. Allocated memory is still 385.9MB. Free memory was 295.6MB in the beginning and 264.9MB in the end (delta: 30.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 8592.42ms. Allocated memory was 385.9MB in the beginning and 488.6MB in the end (delta: 102.8MB). Free memory was 264.2MB in the beginning and 181.0MB in the end (delta: 83.2MB). Peak memory consumption was 185.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 735]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [735] - GenericResultAtLocation [Line: 1691]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1691] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0s, 177 PlacesBefore, 45 PlacesAfterwards, 180 TransitionsBefore, 40 TransitionsAfterwards, 4448 CoEnabledTransitionPairs, 7 FixpointIterations, 73 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 27 ConcurrentYvCompositions, 8 ChoiceCompositions, 188 TotalNumberOfCompositions, 11313 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4696, independent: 4335, independent conditional: 0, independent unconditional: 4335, dependent: 361, dependent conditional: 0, dependent unconditional: 361, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2625, independent: 2568, independent conditional: 0, independent unconditional: 2568, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4696, independent: 1767, independent conditional: 0, independent unconditional: 1767, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 2625, unknown conditional: 0, unknown unconditional: 2625] , Statistics on independence cache: Total cache size (in pairs): 104, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 1700]: integer overflow possible integer overflow possible We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); [L1746] COND TRUE 0 ret==0 [L1747] 0 int probe_ret; [L1748] 0 struct my_data data; [L1749] CALL 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1694] 1 data->shared.a = 1 VAL [__mptr={2147483651:-5}, arg={5:24}, arg={5:24}, data={2147483651:-29}, dev={5:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 lb + 1 VAL [__mptr={2147483651:-5}, arg={5:24}, arg={5:24}, data={2147483651:-29}, dev={5:24}, lb=2147483647, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1671]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1700]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 192 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-27 04:00:01,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...