/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/seq-pthread/cs_stateful-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 06:48:10,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 06:48:10,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 06:48:10,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 06:48:10,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 06:48:10,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 06:48:10,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 06:48:10,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 06:48:10,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 06:48:10,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 06:48:10,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 06:48:10,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 06:48:10,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 06:48:10,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 06:48:10,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 06:48:10,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 06:48:10,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 06:48:10,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 06:48:10,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 06:48:10,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 06:48:10,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 06:48:10,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 06:48:10,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 06:48:10,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 06:48:10,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 06:48:10,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 06:48:10,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 06:48:10,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 06:48:10,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 06:48:10,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 06:48:10,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 06:48:10,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 06:48:10,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 06:48:10,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 06:48:10,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 06:48:10,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 06:48:10,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 06:48:10,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 06:48:10,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 06:48:10,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 06:48:10,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 06:48:10,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 06:48:10,954 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 06:48:10,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 06:48:10,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 06:48:10,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 06:48:10,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 06:48:10,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 06:48:10,956 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 06:48:10,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 06:48:10,957 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 06:48:10,957 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 06:48:10,957 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 06:48:10,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 06:48:10,958 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 06:48:10,958 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 06:48:10,958 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 06:48:10,958 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 06:48:10,958 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 06:48:10,958 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 06:48:10,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 06:48:10,959 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 06:48:10,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 06:48:10,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 06:48:10,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 06:48:10,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 06:48:10,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 06:48:10,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 06:48:10,960 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 06:48:10,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 06:48:10,960 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 06:48:10,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 06:48:10,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 06:48:10,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 06:48:10,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:48:10,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 06:48:10,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 06:48:10,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 06:48:10,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 06:48:10,961 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 06:48:10,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 06:48:10,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 06:48:10,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 06:48:10,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 06:48:11,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 06:48:11,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 06:48:11,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 06:48:11,180 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 06:48:11,181 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 06:48:11,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_stateful-1.i [2023-04-01 06:48:12,390 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 06:48:12,637 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 06:48:12,638 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_stateful-1.i [2023-04-01 06:48:12,651 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44acea2b9/66c1e374e4f04fff8d10d4fd45311855/FLAG3265d3807 [2023-04-01 06:48:12,664 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44acea2b9/66c1e374e4f04fff8d10d4fd45311855 [2023-04-01 06:48:12,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 06:48:12,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 06:48:12,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 06:48:12,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 06:48:12,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 06:48:12,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:48:12" (1/1) ... [2023-04-01 06:48:12,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc451a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:12, skipping insertion in model container [2023-04-01 06:48:12,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:48:12" (1/1) ... [2023-04-01 06:48:12,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 06:48:12,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 06:48:12,981 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_stateful-1.i[23400,23413] [2023-04-01 06:48:13,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:48:13,113 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 06:48:13,149 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_stateful-1.i[23400,23413] [2023-04-01 06:48:13,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:48:13,221 INFO L208 MainTranslator]: Completed translation [2023-04-01 06:48:13,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13 WrapperNode [2023-04-01 06:48:13,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 06:48:13,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 06:48:13,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 06:48:13,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 06:48:13,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,338 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 06:48:13,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 06:48:13,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 06:48:13,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 06:48:13,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (1/1) ... [2023-04-01 06:48:13,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:48:13,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:48:13,414 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) [2023-04-01 06:48:13,441 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 [2023-04-01 06:48:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 06:48:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 06:48:13,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-01 06:48:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 06:48:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-01 06:48:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-01 06:48:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-04-01 06:48:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-04-01 06:48:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-04-01 06:48:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 06:48:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 06:48:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 06:48:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 06:48:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 06:48:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-01 06:48:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-01 06:48:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-01 06:48:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-01 06:48:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-01 06:48:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-01 06:48:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-01 06:48:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-01 06:48:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-01 06:48:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-01 06:48:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-01 06:48:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-04-01 06:48:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-04-01 06:48:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-04-01 06:48:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-01 06:48:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-01 06:48:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-01 06:48:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-01 06:48:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-01 06:48:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-01 06:48:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-01 06:48:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-01 06:48:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-01 06:48:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-01 06:48:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-01 06:48:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-01 06:48:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-01 06:48:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-01 06:48:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-01 06:48:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-01 06:48:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-01 06:48:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-01 06:48:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-01 06:48:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-01 06:48:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-01 06:48:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-01 06:48:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-01 06:48:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-01 06:48:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-01 06:48:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-01 06:48:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-01 06:48:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-01 06:48:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-01 06:48:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-01 06:48:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-01 06:48:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-01 06:48:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-01 06:48:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-01 06:48:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-01 06:48:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-01 06:48:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-01 06:48:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-04-01 06:48:13,487 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 06:48:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 06:48:13,796 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 06:48:13,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 06:48:13,960 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: SUMMARY for call __CS_cs(); srcloc: null [2023-04-01 06:48:13,961 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: 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;call ULTIMATE.dealloc(~#t1~0.base, ~#t1~0.offset);havoc ~#t1~0.base, ~#t1~0.offset;call ULTIMATE.dealloc(~#t2~0.base, ~#t2~0.offset);havoc ~#t2~0.base, ~#t2~0.offset; [2023-04-01 06:48:13,961 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-01 06:48:13,961 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-01 06:48:13,961 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: 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;call ULTIMATE.dealloc(~#t1~0.base, ~#t1~0.offset);havoc ~#t1~0.base, ~#t1~0.offset;call ULTIMATE.dealloc(~#t2~0.base, ~#t2~0.offset);havoc ~#t2~0.base, ~#t2~0.offset; [2023-04-01 06:48:13,961 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-04-01 06:48:13,961 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: 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;call ULTIMATE.dealloc(~#t1~0.base, ~#t1~0.offset);havoc ~#t1~0.base, ~#t1~0.offset;call ULTIMATE.dealloc(~#t2~0.base, ~#t2~0.offset);havoc ~#t2~0.base, ~#t2~0.offset; [2023-04-01 06:48:16,051 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 06:48:16,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 06:48:16,302 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 06:48:16,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:48:16 BoogieIcfgContainer [2023-04-01 06:48:16,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 06:48:16,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 06:48:16,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 06:48:16,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 06:48:16,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 06:48:12" (1/3) ... [2023-04-01 06:48:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d4189f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:48:16, skipping insertion in model container [2023-04-01 06:48:16,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:13" (2/3) ... [2023-04-01 06:48:16,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d4189f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:48:16, skipping insertion in model container [2023-04-01 06:48:16,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:48:16" (3/3) ... [2023-04-01 06:48:16,316 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_stateful-1.i [2023-04-01 06:48:16,331 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 06:48:16,331 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 06:48:16,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 06:48:16,384 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=FINITE_AUTOMATA, 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;@61aa0d68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 06:48:16,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 06:48:16,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-01 06:48:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-04-01 06:48:16,398 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:48:16,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:48:16,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:48:16,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:48:16,402 INFO L85 PathProgramCache]: Analyzing trace with hash -416631923, now seen corresponding path program 1 times [2023-04-01 06:48:16,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:48:16,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407955273] [2023-04-01 06:48:16,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:16,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:48:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 06:48:17,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:48:17,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407955273] [2023-04-01 06:48:17,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407955273] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:48:17,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:48:17,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 06:48:17,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058301093] [2023-04-01 06:48:17,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:48:17,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 06:48:17,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:48:17,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 06:48:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:48:17,380 INFO L87 Difference]: Start difference. First operand has 141 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 79 states have internal predecessors, (109), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 06:48:19,425 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 [] [2023-04-01 06:48:21,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 06:48:21,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:48:21,579 INFO L93 Difference]: Finished difference Result 277 states and 406 transitions. [2023-04-01 06:48:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 06:48:21,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-04-01 06:48:21,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:48:21,589 INFO L225 Difference]: With dead ends: 277 [2023-04-01 06:48:21,590 INFO L226 Difference]: Without dead ends: 137 [2023-04-01 06:48:21,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:48:21,596 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 2 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:48:21,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 363 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2023-04-01 06:48:21,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-04-01 06:48:21,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2023-04-01 06:48:21,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 48 states have call successors, (48), 13 states have call predecessors, (48), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-01 06:48:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 199 transitions. [2023-04-01 06:48:21,641 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 199 transitions. Word has length 16 [2023-04-01 06:48:21,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:48:21,642 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 199 transitions. [2023-04-01 06:48:21,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 06:48:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 199 transitions. [2023-04-01 06:48:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-04-01 06:48:21,643 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:48:21,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:48:21,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 06:48:21,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:48:21,644 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:48:21,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2074519593, now seen corresponding path program 1 times [2023-04-01 06:48:21,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:48:21,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536041039] [2023-04-01 06:48:21,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:21,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:48:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 06:48:22,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:48:22,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536041039] [2023-04-01 06:48:22,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536041039] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:48:22,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:48:22,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 06:48:22,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416396306] [2023-04-01 06:48:22,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:48:22,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 06:48:22,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:48:22,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 06:48:22,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:48:22,062 INFO L87 Difference]: Start difference. First operand 136 states and 199 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 06:48:24,097 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 [] [2023-04-01 06:48:26,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 06:48:26,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:48:26,205 INFO L93 Difference]: Finished difference Result 267 states and 394 transitions. [2023-04-01 06:48:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 06:48:26,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-04-01 06:48:26,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:48:26,207 INFO L225 Difference]: With dead ends: 267 [2023-04-01 06:48:26,207 INFO L226 Difference]: Without dead ends: 137 [2023-04-01 06:48:26,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:48:26,210 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:48:26,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2023-04-01 06:48:26,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-04-01 06:48:26,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-04-01 06:48:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 48 states have call successors, (48), 13 states have call predecessors, (48), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-04-01 06:48:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 200 transitions. [2023-04-01 06:48:26,223 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 200 transitions. Word has length 18 [2023-04-01 06:48:26,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:48:26,223 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 200 transitions. [2023-04-01 06:48:26,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 06:48:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2023-04-01 06:48:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-04-01 06:48:26,224 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:48:26,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:48:26,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 06:48:26,225 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:48:26,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:48:26,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1457257807, now seen corresponding path program 1 times [2023-04-01 06:48:26,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:48:26,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989466065] [2023-04-01 06:48:26,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:26,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:48:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 06:48:26,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:48:26,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989466065] [2023-04-01 06:48:26,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989466065] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:48:26,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144720920] [2023-04-01 06:48:26,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:26,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:48:26,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:48:26,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:48:26,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 06:48:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:27,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 06:48:27,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:48:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 06:48:27,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:48:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 06:48:27,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144720920] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:48:27,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [636122945] [2023-04-01 06:48:27,613 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2023-04-01 06:48:27,613 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:48:27,616 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:48:27,620 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:48:27,621 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:48:28,570 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 99 for LOIs [2023-04-01 06:48:28,871 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-04-01 06:48:29,065 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-04-01 06:48:36,187 WARN L223 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 3731 DAG size of output: 169 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 06:48:47,756 WARN L223 SmtUtils]: Spent 11.14s on a formula simplification. DAG size of input: 3810 DAG size of output: 188 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 06:48:48,428 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-04-01 06:48:49,451 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 103 for LOIs [2023-04-01 06:48:49,632 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:48:52,694 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse18 (+ |c_~#mb~0.offset| 1)) (.cse19 (+ |c_~#ma~0.offset| 1)) (.cse20 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse24 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 20)) (.cse1 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse26 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 16)) (.cse4 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse27 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 12)) (.cse9 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse16 (+ |c_~#data1~0.offset| 4)) (.cse8 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse14 (+ |c_~#data2~0.offset| 4))) (and (exists ((|v_#memory_int_307| (Array Int (Array Int Int))) (|v_#memory_int_235| (Array Int (Array Int Int))) (|v_#memory_int_233| (Array Int (Array Int Int))) (|v_#memory_int_234| (Array Int (Array Int Int)))) (let ((.cse0 (select |v_#memory_int_235| |c_~#__CS_thread_lockedon~0.base|)) (.cse2 (select |v_#memory_int_234| |c_~#__CS_thread_lockedon~0.base|))) (and (= (store |v_#memory_int_235| |c_~#__CS_thread_lockedon~0.base| (store .cse0 .cse1 (select .cse2 .cse1))) |v_#memory_int_234|) (= (let ((.cse3 (store |v_#memory_int_307| |c_~#__CS_thread_status~0.base| (let ((.cse5 (let ((.cse7 (store (select |v_#memory_int_307| |c_~#__CS_thread_status~0.base|) .cse9 (select (select |v_#memory_int_307| |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 3))))) (store .cse7 .cse8 (select (select (store |v_#memory_int_307| |c_~#__CS_thread_status~0.base| .cse7) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 4)))))) (store .cse5 .cse6 (select (select (store |v_#memory_int_307| |c_~#__CS_thread_status~0.base| .cse5) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 5))))))) (store .cse3 |c_~#__CS_thread_lockedon~0.base| (store (select .cse3 |c_~#__CS_thread_lockedon~0.base|) .cse4 (select .cse0 .cse4)))) |v_#memory_int_235|) (= (let ((.cse10 (let ((.cse11 (let ((.cse12 (let ((.cse13 (let ((.cse15 (let ((.cse17 (store |v_#memory_int_233| |c_~#ma~0.base| (store (select |v_#memory_int_233| |c_~#ma~0.base|) .cse19 (select (select |v_#memory_int_233| |c_main_~#__CS_cp_ma~0.base|) (+ |c_main_~#__CS_cp_ma~0.offset| 1)))))) (store .cse17 |c_~#mb~0.base| (store (select .cse17 |c_~#mb~0.base|) .cse18 (select (select .cse17 |c_main_~#__CS_cp_mb~0.base|) (+ |c_main_~#__CS_cp_mb~0.offset| 1))))))) (store .cse15 |c_~#data1~0.base| (store (select .cse15 |c_~#data1~0.base|) .cse16 (select (select .cse15 |c_main_~#__CS_cp_data1~0.base|) (+ |c_main_~#__CS_cp_data1~0.offset| 4))))))) (store .cse13 |c_~#data2~0.base| (store (select .cse13 |c_~#data2~0.base|) .cse14 (select (select .cse13 |c_main_~#__CS_cp_data2~0.base|) (+ |c_main_~#__CS_cp_data2~0.offset| 4))))))) (store .cse12 |c_~#__CS_thread_born_round~0.base| (store (select .cse12 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse11 |c_~#__CS_thread_status~0.base| (store (select .cse11 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse10 |c_~#__CS_thread_allocated~0.base| (store (select .cse10 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1))) |c_#memory_int|) (= (store |v_#memory_int_234| |c_~#__CS_thread_lockedon~0.base| (store .cse2 .cse20 (select (select |v_#memory_int_233| |c_~#__CS_thread_lockedon~0.base|) .cse20))) |v_#memory_int_233|)))) (exists ((|v_#memory_$Pointer$.offset_258| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_357| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_259| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_260| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_261| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_262| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_254| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_255| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_256| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_257| (Array Int (Array Int Int)))) (let ((.cse28 (select |v_#memory_$Pointer$.offset_261| |c_~#__CS_thread_status~0.base|)) (.cse21 (select |v_#memory_$Pointer$.offset_257| |c_~#__CS_thread_status~0.base|))) (and (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_262| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_262| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.offset_256| |c_~#data1~0.base| (store (select |v_#memory_$Pointer$.offset_256| |c_~#data1~0.base|) .cse16 (select (select |v_#memory_$Pointer$.offset_255| |c_~#data1~0.base|) .cse16))) |v_#memory_$Pointer$.offset_255|) (= (store |v_#memory_$Pointer$.offset_257| |c_~#__CS_thread_status~0.base| (store .cse21 .cse6 (select (select |v_#memory_$Pointer$.offset_260| |c_~#__CS_thread_status~0.base|) .cse6))) |v_#memory_$Pointer$.offset_260|) (= (let ((.cse22 (store |v_#memory_$Pointer$.offset_260| |c_~#__CS_thread_lockedon~0.base| (let ((.cse23 (let ((.cse25 (store (select |v_#memory_$Pointer$.offset_260| |c_~#__CS_thread_lockedon~0.base|) .cse4 (select (select |v_#memory_$Pointer$.offset_260| |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse27)))) (store .cse25 .cse1 (select (select (store |v_#memory_$Pointer$.offset_260| |c_~#__CS_thread_lockedon~0.base| .cse25) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse26))))) (store .cse23 .cse20 (select (select (store |v_#memory_$Pointer$.offset_260| |c_~#__CS_thread_lockedon~0.base| .cse23) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse24)))))) (store .cse22 |c_~#ma~0.base| (store (select .cse22 |c_~#ma~0.base|) .cse19 (select (select |v_#memory_$Pointer$.offset_258| |c_~#ma~0.base|) .cse19)))) |v_#memory_$Pointer$.offset_258|) (= |v_#memory_$Pointer$.offset_261| (store |v_#memory_$Pointer$.offset_357| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_357| |c_~#__CS_thread_status~0.base|) .cse9 (select .cse28 .cse9)))) (= (store |v_#memory_$Pointer$.offset_259| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_259| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_262| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.offset_262|) (= (store |v_#memory_$Pointer$.offset_255| |c_~#data2~0.base| (store (select |v_#memory_$Pointer$.offset_255| |c_~#data2~0.base|) .cse14 (select (select |v_#memory_$Pointer$.offset_254| |c_~#data2~0.base|) .cse14))) |v_#memory_$Pointer$.offset_254|) (= |v_#memory_$Pointer$.offset_256| (store |v_#memory_$Pointer$.offset_258| |c_~#mb~0.base| (store (select |v_#memory_$Pointer$.offset_258| |c_~#mb~0.base|) .cse18 (select (select |v_#memory_$Pointer$.offset_256| |c_~#mb~0.base|) .cse18)))) (= (store |v_#memory_$Pointer$.offset_254| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_254| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_259| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_259|) (= |v_#memory_$Pointer$.offset_257| (store |v_#memory_$Pointer$.offset_261| |c_~#__CS_thread_status~0.base| (store .cse28 .cse8 (select .cse21 .cse8))))))) (<= 2 c_main_~i~0) (exists ((v_~__CS_thread~0.base_49 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_49 0 |#funAddr~main_thread.base|))) (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_main_#t~mem64|) (exists ((|v_#memory_$Pointer$.base_262| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_261| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_260| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_259| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_258| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_357| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_257| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_256| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_255| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_254| (Array Int (Array Int Int)))) (let ((.cse33 (select |v_#memory_$Pointer$.base_259| |c_~#__CS_thread_status~0.base|)) (.cse29 (select |v_#memory_$Pointer$.base_262| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.base_262| |c_~#__CS_thread_status~0.base| (store .cse29 .cse6 (select (select |v_#memory_$Pointer$.base_261| |c_~#__CS_thread_status~0.base|) .cse6))) |v_#memory_$Pointer$.base_261|) (= (store |v_#memory_$Pointer$.base_254| |c_~#mb~0.base| (store (select |v_#memory_$Pointer$.base_254| |c_~#mb~0.base|) .cse18 (select (select |v_#memory_$Pointer$.base_258| |c_~#mb~0.base|) .cse18))) |v_#memory_$Pointer$.base_258|) (= (let ((.cse30 (store |v_#memory_$Pointer$.base_261| |c_~#__CS_thread_lockedon~0.base| (let ((.cse31 (let ((.cse32 (store (select |v_#memory_$Pointer$.base_261| |c_~#__CS_thread_lockedon~0.base|) .cse4 (select (select |v_#memory_$Pointer$.base_261| |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse27)))) (store .cse32 .cse1 (select (select (store |v_#memory_$Pointer$.base_261| |c_~#__CS_thread_lockedon~0.base| .cse32) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse26))))) (store .cse31 .cse20 (select (select (store |v_#memory_$Pointer$.base_261| |c_~#__CS_thread_lockedon~0.base| .cse31) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse24)))))) (store .cse30 |c_~#ma~0.base| (store (select .cse30 |c_~#ma~0.base|) .cse19 (select (select |v_#memory_$Pointer$.base_254| |c_~#ma~0.base|) .cse19)))) |v_#memory_$Pointer$.base_254|) (= |v_#memory_$Pointer$.base_260| (store |v_#memory_$Pointer$.base_256| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_256| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_260| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|)))) (= (store |v_#memory_$Pointer$.base_357| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_357| |c_~#__CS_thread_status~0.base|) .cse9 (select .cse33 .cse9))) |v_#memory_$Pointer$.base_259|) (= (store |v_#memory_$Pointer$.base_257| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_257| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_256| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.base_256|) (= (store |v_#memory_$Pointer$.base_258| |c_~#data1~0.base| (store (select |v_#memory_$Pointer$.base_258| |c_~#data1~0.base|) .cse16 (select (select |v_#memory_$Pointer$.base_255| |c_~#data1~0.base|) .cse16))) |v_#memory_$Pointer$.base_255|) (= (store |v_#memory_$Pointer$.base_259| |c_~#__CS_thread_status~0.base| (store .cse33 .cse8 (select .cse29 .cse8))) |v_#memory_$Pointer$.base_262|) (= (store |v_#memory_$Pointer$.base_255| |c_~#data2~0.base| (store (select |v_#memory_$Pointer$.base_255| |c_~#data2~0.base|) .cse14 (select (select |v_#memory_$Pointer$.base_257| |c_~#data2~0.base|) .cse14))) |v_#memory_$Pointer$.base_257|) (= (store |v_#memory_$Pointer$.base_260| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_260| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|))) |c_#memory_$Pointer$.base|)))) (exists ((v_~__CS_thread~0.offset_49 (Array Int Int))) (= c_~__CS_thread~0.offset (store v_~__CS_thread~0.offset_49 0 |#funAddr~main_thread.offset|))) (<= 3 c_main_~j~2) (= c_~__CS_round~0 0) (= c_~__CS_thread_index~0 0))) is different from false [2023-04-01 06:48:52,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [636122945] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:48:52,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:48:52,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 4, 4] total 13 [2023-04-01 06:48:52,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282634999] [2023-04-01 06:48:52,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:48:52,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 06:48:52,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:48:52,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 06:48:52,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=103, Unknown=1, NotChecked=20, Total=156 [2023-04-01 06:48:52,702 INFO L87 Difference]: Start difference. First operand 137 states and 200 transitions. Second operand has 9 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-04-01 06:48:58,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]