/usr/bin/java -Xmx8000000000 -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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:28:36,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:28:36,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:28:36,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:28:36,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:28:36,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:28:36,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:28:36,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:28:36,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:28:36,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:28:36,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:28:36,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:28:36,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:28:36,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:28:36,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:28:36,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:28:36,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:28:36,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:28:36,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:28:36,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:28:36,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:28:36,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:28:36,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:28:36,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:28:36,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:28:36,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:28:36,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:28:36,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:28:36,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:28:36,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:28:36,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:28:36,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:28:36,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:28:36,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:28:36,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:28:36,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:28:36,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:28:36,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:28:36,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:28:36,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:28:36,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:28:36,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-05 20:28:36,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:28:36,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:28:36,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:28:36,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:28:36,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:28:36,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:28:36,344 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:28:36,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:28:36,344 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:28:36,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:28:36,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:28:36,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:28:36,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:28:36,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:28:36,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:28:36,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:28:36,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:28:36,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:28:36,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:28:36,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:28:36,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:28:36,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:28:36,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:28:36,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:28:36,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:28:36,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:28:36,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:28:36,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:28:36,660 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:28:36,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-12-05 20:28:37,614 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:28:37,857 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:28:37,858 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-12-05 20:28:37,882 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc62f8a1/30b5746ae80444f0aa2cb50fd3438652/FLAGad0ae85a4 [2022-12-05 20:28:37,894 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dc62f8a1/30b5746ae80444f0aa2cb50fd3438652 [2022-12-05 20:28:37,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:28:37,898 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:28:37,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:28:37,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:28:37,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:28:37,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:28:37" (1/1) ... [2022-12-05 20:28:37,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bb0502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:37, skipping insertion in model container [2022-12-05 20:28:37,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:28:37" (1/1) ... [2022-12-05 20:28:37,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:28:37,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:28:38,056 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-05 20:28:38,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2022-12-05 20:28:38,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,489 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:28:38,529 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:28:38,539 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-05 20:28:38,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2022-12-05 20:28:38,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,590 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,590 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:28:38,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:28:38,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:28:38,685 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:28:38,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38 WrapperNode [2022-12-05 20:28:38,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:28:38,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:28:38,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:28:38,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:28:38,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,766 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-05 20:28:38,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:28:38,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:28:38,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:28:38,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:28:38,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,806 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:28:38,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:28:38,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:28:38,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:28:38,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (1/1) ... [2022-12-05 20:28:38,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:28:38,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:28:38,860 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) [2022-12-05 20:28:38,879 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 [2022-12-05 20:28:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 20:28:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:28:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 20:28:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:28:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-05 20:28:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:28:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:28:38,894 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:28:39,207 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:28:39,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:28:39,423 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:28:39,507 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:28:39,507 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 20:28:39,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:28:39 BoogieIcfgContainer [2022-12-05 20:28:39,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:28:39,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:28:39,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:28:39,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:28:39,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:28:37" (1/3) ... [2022-12-05 20:28:39,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7510b1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:28:39, skipping insertion in model container [2022-12-05 20:28:39,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:28:38" (2/3) ... [2022-12-05 20:28:39,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7510b1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:28:39, skipping insertion in model container [2022-12-05 20:28:39,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:28:39" (3/3) ... [2022-12-05 20:28:39,518 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-12-05 20:28:39,545 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:28:39,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-05 20:28:39,546 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:28:39,618 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:28:39,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 158 transitions, 332 flow [2022-12-05 20:28:39,707 INFO L130 PetriNetUnfolder]: 8/196 cut-off events. [2022-12-05 20:28:39,708 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:28:39,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 196 events. 8/196 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2022-12-05 20:28:39,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 158 transitions, 332 flow [2022-12-05 20:28:39,717 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 146 transitions, 304 flow [2022-12-05 20:28:39,719 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:28:39,738 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-05 20:28:39,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 146 transitions, 304 flow [2022-12-05 20:28:39,788 INFO L130 PetriNetUnfolder]: 5/177 cut-off events. [2022-12-05 20:28:39,789 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:28:39,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 5/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 292 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 93. Up to 4 conditions per place. [2022-12-05 20:28:39,793 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-05 20:28:39,794 INFO L188 LiptonReduction]: Number of co-enabled transitions 2548 [2022-12-05 20:28:39,919 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:39,921 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:39,925 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:39,926 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:53,528 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:53,529 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:53,530 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:53,531 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:55,871 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:55,872 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:55,874 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:55,875 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:55,916 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:55,917 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:28:55,918 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:28:55,919 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:00,545 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:00,546 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:00,548 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:00,548 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:02,907 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:02,908 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:02,914 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:02,915 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:05,438 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:05,438 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:05,440 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:05,440 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:05,557 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:05,558 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:05,559 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:05,560 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,189 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,189 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,192 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,193 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,947 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,948 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:10,949 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:10,949 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,216 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,217 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 20:29:16,220 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,221 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2022-12-05 20:29:16,223 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,224 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,226 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,227 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,229 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,230 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,231 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,233 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,235 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,238 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,240 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,241 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,243 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,243 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:16,246 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:16,246 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:19,536 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,536 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:19,540 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,540 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:19,542 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,543 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:19,545 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,546 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:19,551 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,551 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:19,554 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,555 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:19,558 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,559 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:19,561 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,562 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:19,564 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,565 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:19,567 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:19,567 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:21,889 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:21,890 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:21,892 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:21,892 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:21,931 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:21,932 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:21,933 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:21,934 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:22,104 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,105 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:22,109 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,110 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 20:29:22,114 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,115 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:22,118 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,119 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:22,122 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,123 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 20:29:22,126 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,127 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:22,135 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,136 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:22,139 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,140 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:22,143 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,143 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:29:22,146 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:22,147 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:33,280 INFO L203 LiptonReduction]: Total number of compositions: 112 [2022-12-05 20:29:33,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:29:33,295 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;@247cdbbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:29:33,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-05 20:29:33,315 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-05 20:29:33,316 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:29:33,316 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:33,316 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-05 20:29:33,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:33,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash 566858, now seen corresponding path program 1 times [2022-12-05 20:29:33,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:33,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364299767] [2022-12-05 20:29:33,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:33,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:33,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:33,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364299767] [2022-12-05 20:29:33,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364299767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:33,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:33,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:29:33,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741718353] [2022-12-05 20:29:33,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:33,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:29:33,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:33,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:29:33,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:29:33,628 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2022-12-05 20:29:33,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 90 flow. Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:33,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:33,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2022-12-05 20:29:33,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:33,753 INFO L130 PetriNetUnfolder]: 353/693 cut-off events. [2022-12-05 20:29:33,753 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-05 20:29:33,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1336 conditions, 693 events. 353/693 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3692 event pairs, 352 based on Foata normal form. 31/560 useless extension candidates. Maximal degree in co-relation 1146. Up to 621 conditions per place. [2022-12-05 20:29:33,760 INFO L137 encePairwiseOnDemand]: 38/39 looper letters, 31 selfloop transitions, 0 changer transitions 0/38 dead transitions. [2022-12-05 20:29:33,760 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 150 flow [2022-12-05 20:29:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:29:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:29:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 46 transitions. [2022-12-05 20:29:33,768 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-05 20:29:33,769 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 90 flow. Second operand 2 states and 46 transitions. [2022-12-05 20:29:33,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 150 flow [2022-12-05 20:29:33,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 38 transitions, 142 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 20:29:33,773 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 80 flow [2022-12-05 20:29:33,777 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=80, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2022-12-05 20:29:33,780 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2022-12-05 20:29:33,780 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 38 transitions, 80 flow [2022-12-05 20:29:33,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:33,780 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:33,780 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-05 20:29:33,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:29:33,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:33,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:33,782 INFO L85 PathProgramCache]: Analyzing trace with hash 17567358, now seen corresponding path program 1 times [2022-12-05 20:29:33,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:33,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925631284] [2022-12-05 20:29:33,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:34,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:34,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925631284] [2022-12-05 20:29:34,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925631284] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:34,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:34,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:29:34,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748744641] [2022-12-05 20:29:34,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:34,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:34,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:34,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:34,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:34,025 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 39 [2022-12-05 20:29:34,025 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 80 flow. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:34,025 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:34,025 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 39 [2022-12-05 20:29:34,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:34,200 INFO L130 PetriNetUnfolder]: 897/1528 cut-off events. [2022-12-05 20:29:34,201 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:29:34,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3067 conditions, 1528 events. 897/1528 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7560 event pairs, 450 based on Foata normal form. 0/1272 useless extension candidates. Maximal degree in co-relation 3064. Up to 1064 conditions per place. [2022-12-05 20:29:34,206 INFO L137 encePairwiseOnDemand]: 31/39 looper letters, 46 selfloop transitions, 7 changer transitions 0/53 dead transitions. [2022-12-05 20:29:34,206 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 53 transitions, 216 flow [2022-12-05 20:29:34,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-05 20:29:34,222 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2022-12-05 20:29:34,222 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 80 flow. Second operand 3 states and 54 transitions. [2022-12-05 20:29:34,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 53 transitions, 216 flow [2022-12-05 20:29:34,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 53 transitions, 216 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:29:34,223 INFO L231 Difference]: Finished difference. Result has 44 places, 43 transitions, 130 flow [2022-12-05 20:29:34,223 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=44, PETRI_TRANSITIONS=43} [2022-12-05 20:29:34,224 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 1 predicate places. [2022-12-05 20:29:34,224 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 43 transitions, 130 flow [2022-12-05 20:29:34,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:34,224 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:34,224 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 20:29:34,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:29:34,225 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:34,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash 544588664, now seen corresponding path program 1 times [2022-12-05 20:29:34,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:34,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606757517] [2022-12-05 20:29:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:34,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:34,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:34,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606757517] [2022-12-05 20:29:34,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606757517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:34,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:34,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:29:34,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047272917] [2022-12-05 20:29:34,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:34,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:34,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:34,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:34,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:34,385 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 39 [2022-12-05 20:29:34,386 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 43 transitions, 130 flow. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:34,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:34,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 39 [2022-12-05 20:29:34,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:34,594 INFO L130 PetriNetUnfolder]: 1037/1778 cut-off events. [2022-12-05 20:29:34,594 INFO L131 PetriNetUnfolder]: For 558/558 co-relation queries the response was YES. [2022-12-05 20:29:34,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4477 conditions, 1778 events. 1037/1778 cut-off events. For 558/558 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9295 event pairs, 614 based on Foata normal form. 50/1644 useless extension candidates. Maximal degree in co-relation 4472. Up to 1359 conditions per place. [2022-12-05 20:29:34,601 INFO L137 encePairwiseOnDemand]: 33/39 looper letters, 49 selfloop transitions, 9 changer transitions 3/61 dead transitions. [2022-12-05 20:29:34,601 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 61 transitions, 318 flow [2022-12-05 20:29:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-05 20:29:34,602 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.452991452991453 [2022-12-05 20:29:34,602 INFO L175 Difference]: Start difference. First operand has 44 places, 43 transitions, 130 flow. Second operand 3 states and 53 transitions. [2022-12-05 20:29:34,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 61 transitions, 318 flow [2022-12-05 20:29:34,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 61 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:29:34,606 INFO L231 Difference]: Finished difference. Result has 45 places, 48 transitions, 185 flow [2022-12-05 20:29:34,606 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=45, PETRI_TRANSITIONS=48} [2022-12-05 20:29:34,607 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 2 predicate places. [2022-12-05 20:29:34,607 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 48 transitions, 185 flow [2022-12-05 20:29:34,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:34,607 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:34,607 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:34,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 20:29:34,608 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:34,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:34,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1743521599, now seen corresponding path program 1 times [2022-12-05 20:29:34,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:34,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275092519] [2022-12-05 20:29:34,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:34,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:34,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:34,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275092519] [2022-12-05 20:29:34,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275092519] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:34,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:34,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 20:29:34,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857375736] [2022-12-05 20:29:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:34,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:34,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:34,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:34,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:34,662 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2022-12-05 20:29:34,663 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 48 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-05 20:29:34,663 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:34,663 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2022-12-05 20:29:34,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:34,730 INFO L130 PetriNetUnfolder]: 193/393 cut-off events. [2022-12-05 20:29:34,730 INFO L131 PetriNetUnfolder]: For 109/134 co-relation queries the response was YES. [2022-12-05 20:29:34,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 393 events. 193/393 cut-off events. For 109/134 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1624 event pairs, 53 based on Foata normal form. 56/381 useless extension candidates. Maximal degree in co-relation 845. Up to 279 conditions per place. [2022-12-05 20:29:34,732 INFO L137 encePairwiseOnDemand]: 37/39 looper letters, 30 selfloop transitions, 1 changer transitions 2/39 dead transitions. [2022-12-05 20:29:34,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 39 transitions, 168 flow [2022-12-05 20:29:34,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-12-05 20:29:34,733 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4700854700854701 [2022-12-05 20:29:34,733 INFO L175 Difference]: Start difference. First operand has 45 places, 48 transitions, 185 flow. Second operand 3 states and 55 transitions. [2022-12-05 20:29:34,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 39 transitions, 168 flow [2022-12-05 20:29:34,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 39 transitions, 158 flow, removed 5 selfloop flow, removed 1 redundant places. [2022-12-05 20:29:34,734 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 72 flow [2022-12-05 20:29:34,734 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2022-12-05 20:29:34,735 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-05 20:29:34,735 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 72 flow [2022-12-05 20:29:34,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-12-05 20:29:34,735 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:34,735 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:34,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 20:29:34,735 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:34,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:34,736 INFO L85 PathProgramCache]: Analyzing trace with hash -838363219, now seen corresponding path program 1 times [2022-12-05 20:29:34,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:34,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154032303] [2022-12-05 20:29:34,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:34,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:34,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:34,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154032303] [2022-12-05 20:29:34,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154032303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:34,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:34,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:29:34,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396467517] [2022-12-05 20:29:34,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:34,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:34,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:34,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:34,908 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 39 [2022-12-05 20:29:34,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 72 flow. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:34,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:34,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 39 [2022-12-05 20:29:34,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:34,993 INFO L130 PetriNetUnfolder]: 249/476 cut-off events. [2022-12-05 20:29:34,993 INFO L131 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2022-12-05 20:29:34,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 476 events. 249/476 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1685 event pairs, 196 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 1106. Up to 406 conditions per place. [2022-12-05 20:29:34,995 INFO L137 encePairwiseOnDemand]: 32/39 looper letters, 37 selfloop transitions, 6 changer transitions 0/43 dead transitions. [2022-12-05 20:29:34,995 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 191 flow [2022-12-05 20:29:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 44 transitions. [2022-12-05 20:29:34,996 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.37606837606837606 [2022-12-05 20:29:34,996 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 72 flow. Second operand 3 states and 44 transitions. [2022-12-05 20:29:34,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 191 flow [2022-12-05 20:29:34,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:29:34,998 INFO L231 Difference]: Finished difference. Result has 40 places, 34 transitions, 121 flow [2022-12-05 20:29:34,998 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2022-12-05 20:29:34,998 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2022-12-05 20:29:34,999 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 121 flow [2022-12-05 20:29:34,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:34,999 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:34,999 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:34,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 20:29:34,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:34,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:34,999 INFO L85 PathProgramCache]: Analyzing trace with hash -794312669, now seen corresponding path program 1 times [2022-12-05 20:29:34,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:35,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437263917] [2022-12-05 20:29:35,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:35,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:35,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437263917] [2022-12-05 20:29:35,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437263917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:35,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:35,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:29:35,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854387570] [2022-12-05 20:29:35,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:35,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:29:35,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:35,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:29:35,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:29:35,156 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 39 [2022-12-05 20:29:35,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 121 flow. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:35,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:35,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 39 [2022-12-05 20:29:35,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:35,240 INFO L130 PetriNetUnfolder]: 259/504 cut-off events. [2022-12-05 20:29:35,240 INFO L131 PetriNetUnfolder]: For 196/196 co-relation queries the response was YES. [2022-12-05 20:29:35,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1301 conditions, 504 events. 259/504 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1841 event pairs, 206 based on Foata normal form. 0/468 useless extension candidates. Maximal degree in co-relation 1294. Up to 427 conditions per place. [2022-12-05 20:29:35,242 INFO L137 encePairwiseOnDemand]: 32/39 looper letters, 37 selfloop transitions, 9 changer transitions 2/48 dead transitions. [2022-12-05 20:29:35,242 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 48 transitions, 272 flow [2022-12-05 20:29:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:29:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:29:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-05 20:29:35,244 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.36752136752136755 [2022-12-05 20:29:35,244 INFO L175 Difference]: Start difference. First operand has 40 places, 34 transitions, 121 flow. Second operand 3 states and 43 transitions. [2022-12-05 20:29:35,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 48 transitions, 272 flow [2022-12-05 20:29:35,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 48 transitions, 246 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-05 20:29:35,246 INFO L231 Difference]: Finished difference. Result has 42 places, 39 transitions, 177 flow [2022-12-05 20:29:35,246 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=177, PETRI_PLACES=42, PETRI_TRANSITIONS=39} [2022-12-05 20:29:35,248 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-05 20:29:35,248 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 39 transitions, 177 flow [2022-12-05 20:29:35,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:29:35,248 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:35,248 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:35,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 20:29:35,249 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:35,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:35,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1452293730, now seen corresponding path program 1 times [2022-12-05 20:29:35,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:35,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549109176] [2022-12-05 20:29:35,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:35,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:29:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:29:35,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:29:35,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549109176] [2022-12-05 20:29:35,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549109176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:29:35,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:29:35,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:29:35,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357253009] [2022-12-05 20:29:35,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:29:35,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 20:29:35,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:29:35,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 20:29:35,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 20:29:35,785 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 39 [2022-12-05 20:29:35,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 39 transitions, 177 flow. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-12-05 20:29:35,785 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:29:35,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 39 [2022-12-05 20:29:35,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:29:35,921 INFO L130 PetriNetUnfolder]: 199/429 cut-off events. [2022-12-05 20:29:35,921 INFO L131 PetriNetUnfolder]: For 196/202 co-relation queries the response was YES. [2022-12-05 20:29:35,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 429 events. 199/429 cut-off events. For 196/202 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1828 event pairs, 72 based on Foata normal form. 15/427 useless extension candidates. Maximal degree in co-relation 1126. Up to 202 conditions per place. [2022-12-05 20:29:35,923 INFO L137 encePairwiseOnDemand]: 32/39 looper letters, 43 selfloop transitions, 7 changer transitions 0/57 dead transitions. [2022-12-05 20:29:35,923 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 57 transitions, 328 flow [2022-12-05 20:29:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:29:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:29:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 73 transitions. [2022-12-05 20:29:35,924 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.31196581196581197 [2022-12-05 20:29:35,924 INFO L175 Difference]: Start difference. First operand has 42 places, 39 transitions, 177 flow. Second operand 6 states and 73 transitions. [2022-12-05 20:29:35,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 57 transitions, 328 flow [2022-12-05 20:29:35,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 57 transitions, 308 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-05 20:29:35,926 INFO L231 Difference]: Finished difference. Result has 46 places, 43 transitions, 194 flow [2022-12-05 20:29:35,926 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=46, PETRI_TRANSITIONS=43} [2022-12-05 20:29:35,926 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 3 predicate places. [2022-12-05 20:29:35,926 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 43 transitions, 194 flow [2022-12-05 20:29:35,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2022-12-05 20:29:35,926 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:29:35,927 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:35,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 20:29:35,927 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 20:29:35,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:29:35,927 INFO L85 PathProgramCache]: Analyzing trace with hash -404656550, now seen corresponding path program 2 times [2022-12-05 20:29:35,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:29:35,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237283304] [2022-12-05 20:29:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:29:35,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:29:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:29:35,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 20:29:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 20:29:36,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 20:29:36,018 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 20:29:36,018 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-05 20:29:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-05 20:29:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-05 20:29:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-05 20:29:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-05 20:29:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-05 20:29:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-05 20:29:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-05 20:29:36,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 20:29:36,020 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-12-05 20:29:36,024 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:29:36,024 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:29:36,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:29:36 BasicIcfg [2022-12-05 20:29:36,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:29:36,058 INFO L158 Benchmark]: Toolchain (without parser) took 58160.31ms. Allocated memory was 168.8MB in the beginning and 213.9MB in the end (delta: 45.1MB). Free memory was 141.4MB in the beginning and 171.6MB in the end (delta: -30.2MB). Peak memory consumption was 127.6MB. Max. memory is 8.0GB. [2022-12-05 20:29:36,059 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:29:36,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.29ms. Allocated memory is still 168.8MB. Free memory was 141.4MB in the beginning and 84.8MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-12-05 20:29:36,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.83ms. Allocated memory is still 168.8MB. Free memory was 84.8MB in the beginning and 81.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 20:29:36,059 INFO L158 Benchmark]: Boogie Preprocessor took 44.29ms. Allocated memory is still 168.8MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-05 20:29:36,059 INFO L158 Benchmark]: RCFGBuilder took 699.05ms. Allocated memory was 168.8MB in the beginning and 213.9MB in the end (delta: 45.1MB). Free memory was 78.5MB in the beginning and 185.9MB in the end (delta: -107.4MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-12-05 20:29:36,059 INFO L158 Benchmark]: TraceAbstraction took 56544.89ms. Allocated memory is still 213.9MB. Free memory was 185.5MB in the beginning and 171.6MB in the end (delta: 13.9MB). Peak memory consumption was 125.5MB. Max. memory is 8.0GB. [2022-12-05 20:29:36,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 787.29ms. Allocated memory is still 168.8MB. Free memory was 141.4MB in the beginning and 84.8MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.83ms. Allocated memory is still 168.8MB. Free memory was 84.8MB in the beginning and 81.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.29ms. Allocated memory is still 168.8MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 699.05ms. Allocated memory was 168.8MB in the beginning and 213.9MB in the end (delta: 45.1MB). Free memory was 78.5MB in the beginning and 185.9MB in the end (delta: -107.4MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 56544.89ms. Allocated memory is still 213.9MB. Free memory was 185.5MB in the beginning and 171.6MB in the end (delta: 13.9MB). Peak memory consumption was 125.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.5s, 148 PlacesBefore, 43 PlacesAfterwards, 146 TransitionsBefore, 39 TransitionsAfterwards, 2548 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 60 TrivialYvCompositions, 47 ConcurrentYvCompositions, 2 ChoiceCompositions, 112 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 1667, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1432, independent: 1384, independent conditional: 0, independent unconditional: 1384, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1432, independent: 1378, independent conditional: 0, independent unconditional: 1378, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41718, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 534, dependent conditional: 0, dependent unconditional: 534, unknown: 41087, unknown conditional: 0, unknown unconditional: 41087] ], Cache Queries: [ total: 1794, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 1471, unknown conditional: 0, unknown unconditional: 1471] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 2229, Positive conditional cache size: 0, Positive unconditional cache size: 2229, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 19, Unknown conditional cache size: 0, Unknown unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: -1 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable 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, EXPR 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={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-5, 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 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={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 1 return 0; [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-4, res=0, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1715] 0 return 0; [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, dev={6:24}, lb=0, my_drv_probe(&data)=0, probe_ret=0, pthread_mutex_lock (&data->lock)=0, ret=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [\read(t1)=-5, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_mutex_lock (&data->lock)=0, status={5:0}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-5, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_join(t1, &status)={0:0}, pthread_mutex_lock (&data->lock)=0, status={5:0}, t1={3:0}, t2={4:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_mutex_lock (&data->lock)=0, status={5:0}, t1={3:0}, t2={4:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1730] EXPR 0 data->shared.a [L1730] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 168 locations, 8 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: 56.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 53.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 455 IncrementalHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 22 mSDtfsCounter, 455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=7, InterpolantAutomatonStates: 23, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2022-12-05 20:29:36,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...