/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/seq-pthread/cs_lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 07:05:38,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 07:05:38,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 07:05:38,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 07:05:38,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 07:05:38,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 07:05:38,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 07:05:38,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 07:05:38,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 07:05:38,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 07:05:38,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 07:05:38,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 07:05:38,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 07:05:38,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 07:05:38,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 07:05:38,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 07:05:38,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 07:05:38,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 07:05:38,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 07:05:38,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 07:05:38,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 07:05:38,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 07:05:38,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 07:05:38,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 07:05:38,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 07:05:38,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 07:05:38,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 07:05:38,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 07:05:38,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 07:05:38,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 07:05:38,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 07:05:38,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 07:05:38,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 07:05:38,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 07:05:38,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 07:05:38,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 07:05:38,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 07:05:38,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 07:05:38,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 07:05:38,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 07:05:38,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 07:05:38,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 07:05:38,451 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 07:05:38,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 07:05:38,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 07:05:38,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 07:05:38,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 07:05:38,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 07:05:38,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 07:05:38,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 07:05:38,452 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 07:05:38,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 07:05:38,452 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 07:05:38,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 07:05:38,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 07:05:38,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 07:05:38,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:05:38,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 07:05:38,454 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 07:05:38,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 07:05:38,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 07:05:38,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 07:05:38,667 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 07:05:38,667 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 07:05:38,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_lamport.i [2023-04-02 07:05:39,710 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 07:05:39,969 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 07:05:39,970 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i [2023-04-02 07:05:39,982 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4812255f0/ff885c7aae8f42f2928ec1e84bdf8eb9/FLAG40658c7dd [2023-04-02 07:05:40,005 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4812255f0/ff885c7aae8f42f2928ec1e84bdf8eb9 [2023-04-02 07:05:40,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 07:05:40,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 07:05:40,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 07:05:40,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 07:05:40,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 07:05:40,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13985fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40, skipping insertion in model container [2023-04-02 07:05:40,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 07:05:40,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 07:05:40,305 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2023-04-02 07:05:40,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:05:40,423 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 07:05:40,458 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_lamport.i[23604,23617] [2023-04-02 07:05:40,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:05:40,528 INFO L208 MainTranslator]: Completed translation [2023-04-02 07:05:40,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40 WrapperNode [2023-04-02 07:05:40,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 07:05:40,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 07:05:40,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 07:05:40,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 07:05:40,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 07:05:40,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 07:05:40,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 07:05:40,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 07:05:40,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (1/1) ... [2023-04-02 07:05:40,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:05:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:05:40,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 07:05:40,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 07:05:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 07:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 07:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-02 07:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 07:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 07:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-02 07:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-02 07:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-04-02 07:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-04-02 07:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-04-02 07:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-02 07:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-04-02 07:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-04-02 07:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-04-02 07:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-04-02 07:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-04-02 07:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-04-02 07:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-04-02 07:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-04-02 07:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-04-02 07:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-04-02 07:05:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-04-02 07:05:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-04-02 07:05:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-04-02 07:05:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-04-02 07:05:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-04-02 07:05:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-04-02 07:05:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 07:05:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 07:05:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 07:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-02 07:05:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-02 07:05:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-02 07:05:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-02 07:05:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-02 07:05:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 07:05:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-02 07:05:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-02 07:05:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-02 07:05:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-02 07:05:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-02 07:05:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-04-02 07:05:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 07:05:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-02 07:05:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 07:05:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 07:05:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 07:05:40,969 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 07:05:40,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,309 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:41,530 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:41,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##83: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:41,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:41,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-02 07:05:41,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res.base, #res.offset := 0, 0; [2023-04-02 07:05:43,996 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 07:05:44,003 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 07:05:44,003 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-04-02 07:05:44,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:05:44 BoogieIcfgContainer [2023-04-02 07:05:44,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 07:05:44,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 07:05:44,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 07:05:44,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 07:05:44,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 07:05:40" (1/3) ... [2023-04-02 07:05:44,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ad507f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:05:44, skipping insertion in model container [2023-04-02 07:05:44,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:05:40" (2/3) ... [2023-04-02 07:05:44,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ad507f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:05:44, skipping insertion in model container [2023-04-02 07:05:44,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:05:44" (3/3) ... [2023-04-02 07:05:44,010 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2023-04-02 07:05:44,023 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 07:05:44,023 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 07:05:44,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 07:05:44,078 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=true, 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;@58b8f57d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 07:05:44,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 07:05:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 274 states, 165 states have (on average 1.6363636363636365) internal successors, (270), 166 states have internal predecessors, (270), 96 states have call successors, (96), 9 states have call predecessors, (96), 9 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-04-02 07:05:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-02 07:05:44,108 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:05:44,109 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:05:44,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:05:44,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:05:44,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1993793450, now seen corresponding path program 1 times [2023-04-02 07:05:44,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:05:44,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753638280] [2023-04-02 07:05:44,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:05:44,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:06:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:08:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 07:08:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 07:08:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 07:08:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-04-02 07:08:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 07:08:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-04-02 07:08:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 07:08:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 07:08:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 07:08:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 07:08:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:08:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 07:08:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 07:08:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 07:08:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 07:08:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 07:08:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:08:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 07:08:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 07:08:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 07:08:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 07:08:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 07:08:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:08:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-04-02 07:08:27,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:08:27,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753638280] [2023-04-02 07:08:27,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753638280] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:08:27,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:08:27,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-02 07:08:27,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780007638] [2023-04-02 07:08:27,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:08:27,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:08:27,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:08:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:08:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-02 07:08:27,939 INFO L87 Difference]: Start difference. First operand has 274 states, 165 states have (on average 1.6363636363636365) internal successors, (270), 166 states have internal predecessors, (270), 96 states have call successors, (96), 9 states have call predecessors, (96), 9 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 07:08:30,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 07:08:32,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 07:08:34,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 07:08:34,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:08:34,826 INFO L93 Difference]: Finished difference Result 262 states and 408 transitions. [2023-04-02 07:08:34,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 07:08:34,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2023-04-02 07:08:34,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:08:34,835 INFO L225 Difference]: With dead ends: 262 [2023-04-02 07:08:34,835 INFO L226 Difference]: Without dead ends: 131 [2023-04-02 07:08:34,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:08:34,840 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 38 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 39 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 07:08:34,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 253 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 216 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 07:08:34,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-04-02 07:08:34,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 124. [2023-04-02 07:08:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 76 states have (on average 1.236842105263158) internal successors, (94), 76 states have internal predecessors, (94), 40 states have call successors, (40), 9 states have call predecessors, (40), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-04-02 07:08:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 172 transitions. [2023-04-02 07:08:34,881 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 172 transitions. Word has length 150 [2023-04-02 07:08:34,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:08:34,882 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 172 transitions. [2023-04-02 07:08:34,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 07:08:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2023-04-02 07:08:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-02 07:08:34,884 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:08:34,884 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:08:34,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 07:08:34,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:08:34,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:08:34,885 INFO L85 PathProgramCache]: Analyzing trace with hash 370178242, now seen corresponding path program 1 times [2023-04-02 07:08:34,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:08:34,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515719264] [2023-04-02 07:08:34,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:08:34,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:08:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat