/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_szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 06:48:36,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 06:48:36,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 06:48:36,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 06:48:36,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 06:48:36,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 06:48:36,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 06:48:36,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 06:48:36,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 06:48:36,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 06:48:36,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 06:48:36,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 06:48:36,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 06:48:36,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 06:48:36,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 06:48:36,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 06:48:36,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 06:48:36,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 06:48:36,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 06:48:36,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 06:48:36,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 06:48:36,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 06:48:36,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 06:48:36,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 06:48:36,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 06:48:36,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 06:48:36,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 06:48:36,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 06:48:36,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 06:48:36,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 06:48:36,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 06:48:36,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 06:48:36,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 06:48:36,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 06:48:36,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 06:48:36,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 06:48:36,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 06:48:36,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 06:48:36,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 06:48:36,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 06:48:36,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 06:48:36,437 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 06:48:36,457 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 06:48:36,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 06:48:36,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 06:48:36,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 06:48:36,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 06:48:36,458 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 06:48:36,458 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 06:48:36,458 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 06:48:36,459 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 06:48:36,459 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 06:48:36,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 06:48:36,460 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 06:48:36,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 06:48:36,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 06:48:36,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 06:48:36,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 06:48:36,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 06:48:36,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:48:36,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 06:48:36,461 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 06:48:36,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 06:48:36,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 06:48:36,462 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 06:48:36,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 06:48:36,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 06:48:36,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 06:48:36,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 06:48:36,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 06:48:36,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 06:48:36,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 06:48:36,693 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 06:48:36,694 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 06:48:36,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2023-04-01 06:48:37,824 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 06:48:38,044 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 06:48:38,044 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2023-04-01 06:48:38,056 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66730297b/088f4df5943845aa84dbac3751ce584a/FLAGd0bc8e4f2 [2023-04-01 06:48:38,068 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66730297b/088f4df5943845aa84dbac3751ce584a [2023-04-01 06:48:38,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 06:48:38,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 06:48:38,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 06:48:38,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 06:48:38,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 06:48:38,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5e3b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38, skipping insertion in model container [2023-04-01 06:48:38,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 06:48:38,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 06:48:38,362 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_szymanski.i[23606,23619] [2023-04-01 06:48:38,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:48:38,497 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 06:48:38,529 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_szymanski.i[23606,23619] [2023-04-01 06:48:38,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:48:38,615 INFO L208 MainTranslator]: Completed translation [2023-04-01 06:48:38,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38 WrapperNode [2023-04-01 06:48:38,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 06:48:38,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 06:48:38,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 06:48:38,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 06:48:38,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,711 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 06:48:38,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 06:48:38,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 06:48:38,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 06:48:38,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (1/1) ... [2023-04-01 06:48:38,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:48:38,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:48:38,766 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 06:48:38,782 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 06:48:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 06:48:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 06:48:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 06:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-04-01 06:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-04-01 06:48:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-04-01 06:48:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2023-04-01 06:48:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 06:48:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 06:48:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-04-01 06:48:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-04-01 06:48:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-04-01 06:48:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-04-01 06:48:38,816 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-04-01 06:48:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-04-01 06:48:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-04-01 06:48:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-04-01 06:48:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-04-01 06:48:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-04-01 06:48:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-04-01 06:48:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-04-01 06:48:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-04-01 06:48:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-04-01 06:48:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-04-01 06:48:38,818 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-04-01 06:48:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-04-01 06:48:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-04-01 06:48:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-04-01 06:48:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-04-01 06:48:38,819 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-04-01 06:48:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-04-01 06:48:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-04-01 06:48:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-04-01 06:48:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-04-01 06:48:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-04-01 06:48:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-04-01 06:48:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-04-01 06:48:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-04-01 06:48:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-04-01 06:48:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-04-01 06:48:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-04-01 06:48:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-04-01 06:48:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-04-01 06:48:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-04-01 06:48:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-04-01 06:48:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-04-01 06:48:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-04-01 06:48:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-04-01 06:48:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-04-01 06:48:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-04-01 06:48:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-04-01 06:48:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-04-01 06:48:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2023-04-01 06:48:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 06:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 06:48:39,122 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 06:48:39,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 06:48:39,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: 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; [2023-04-01 06:48:39,425 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: 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 06:48:39,517 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: 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; [2023-04-01 06:48:39,517 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: 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 06:48:41,893 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 06:48:42,057 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 06:48:42,057 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-04-01 06:48:42,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:48:42 BoogieIcfgContainer [2023-04-01 06:48:42,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 06:48:42,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 06:48:42,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 06:48:42,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 06:48:42,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 06:48:38" (1/3) ... [2023-04-01 06:48:42,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152fa51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:48:42, skipping insertion in model container [2023-04-01 06:48:42,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:48:38" (2/3) ... [2023-04-01 06:48:42,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152fa51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:48:42, skipping insertion in model container [2023-04-01 06:48:42,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:48:42" (3/3) ... [2023-04-01 06:48:42,069 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2023-04-01 06:48:42,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 06:48:42,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 06:48:42,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 06:48:42,134 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;@23883022, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 06:48:42,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 06:48:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 122 states have (on average 1.5737704918032787) internal successors, (192), 123 states have internal predecessors, (192), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-04-01 06:48:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-01 06:48:42,152 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:48:42,153 INFO L195 NwaCegarLoop]: trace histogram [18, 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] [2023-04-01 06:48:42,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:48:42,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:48:42,157 INFO L85 PathProgramCache]: Analyzing trace with hash 706434857, now seen corresponding path program 1 times [2023-04-01 06:48:42,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:48:42,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538104781] [2023-04-01 06:48:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:42,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:48:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-01 06:48:43,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:48:43,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538104781] [2023-04-01 06:48:43,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538104781] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:48:43,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:48:43,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 06:48:43,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457168130] [2023-04-01 06:48:43,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:48:43,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 06:48:43,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:48:43,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 06:48:43,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:48:43,796 INFO L87 Difference]: Start difference. First operand has 209 states, 122 states have (on average 1.5737704918032787) internal successors, (192), 123 states have internal predecessors, (192), 74 states have call successors, (74), 9 states have call predecessors, (74), 9 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 06:48:45,844 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 06:48:47,856 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 06:48:47,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:48:47,954 INFO L93 Difference]: Finished difference Result 209 states and 288 transitions. [2023-04-01 06:48:47,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 06:48:47,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 88 [2023-04-01 06:48:47,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:48:47,965 INFO L225 Difference]: With dead ends: 209 [2023-04-01 06:48:47,965 INFO L226 Difference]: Without dead ends: 103 [2023-04-01 06:48:47,968 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 06:48:47,973 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 2 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:48:47,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 259 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2023-04-01 06:48:47,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-04-01 06:48:48,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102. [2023-04-01 06:48:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 58 states have (on average 1.206896551724138) internal successors, (70), 58 states have internal predecessors, (70), 36 states have call successors, (36), 9 states have call predecessors, (36), 7 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-01 06:48:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 140 transitions. [2023-04-01 06:48:48,022 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 140 transitions. Word has length 88 [2023-04-01 06:48:48,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:48:48,022 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 140 transitions. [2023-04-01 06:48:48,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 06:48:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 140 transitions. [2023-04-01 06:48:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-04-01 06:48:48,031 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:48:48,031 INFO L195 NwaCegarLoop]: trace histogram [18, 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] [2023-04-01 06:48:48,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 06:48:48,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:48:48,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:48:48,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1385497537, now seen corresponding path program 1 times [2023-04-01 06:48:48,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:48:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788211283] [2023-04-01 06:48:48,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:48:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-01 06:48:48,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:48:48,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788211283] [2023-04-01 06:48:48,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788211283] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:48:48,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:48:48,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 06:48:48,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198456951] [2023-04-01 06:48:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:48:48,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 06:48:48,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:48:48,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 06:48:48,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:48:48,900 INFO L87 Difference]: Start difference. First operand 102 states and 140 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 06:48:50,919 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 06:48:52,927 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 06:48:52,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:48:52,981 INFO L93 Difference]: Finished difference Result 199 states and 276 transitions. [2023-04-01 06:48:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 06:48:52,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 90 [2023-04-01 06:48:52,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:48:52,986 INFO L225 Difference]: With dead ends: 199 [2023-04-01 06:48:52,987 INFO L226 Difference]: Without dead ends: 103 [2023-04-01 06:48:52,987 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 06:48:52,988 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:48:52,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2023-04-01 06:48:52,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-04-01 06:48:53,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-04-01 06:48:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 36 states have call successors, (36), 9 states have call predecessors, (36), 7 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-01 06:48:53,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2023-04-01 06:48:53,002 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 90 [2023-04-01 06:48:53,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:48:53,002 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2023-04-01 06:48:53,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 06:48:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2023-04-01 06:48:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-04-01 06:48:53,003 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:48:53,003 INFO L195 NwaCegarLoop]: trace histogram [18, 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] [2023-04-01 06:48:53,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 06:48:53,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:48:53,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:48:53,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1745897313, now seen corresponding path program 1 times [2023-04-01 06:48:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:48:53,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003536757] [2023-04-01 06:48:53,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:53,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:48:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-01 06:48:53,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:48:53,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003536757] [2023-04-01 06:48:53,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003536757] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:48:53,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400436043] [2023-04-01 06:48:53,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:48:53,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:48:53,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:48:54,017 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 06:48:54,022 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 06:48:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:48:55,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 4660 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 06:48:55,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:48:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-01 06:48:55,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:48:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-04-01 06:48:55,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400436043] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:48:55,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [789783121] [2023-04-01 06:48:55,592 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2023-04-01 06:48:55,592 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:48:55,598 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:48:55,601 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:48:55,602 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:48:56,320 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2023-04-01 06:49:10,232 WARN L223 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 3195 DAG size of output: 162 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 06:49:12,780 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 94 for LOIs [2023-04-01 06:49:12,931 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:49:16,030 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse34 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse37 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse32 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse3 (+ 4 |c_~#x~0.offset|)) (.cse35 (+ 8 |c_~#x~0.offset|)) (.cse30 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse1 (+ |c_~#flag2~0.offset| 8)) (.cse25 (+ |c_~#flag1~0.offset| 8)) (.cse6 (+ |c_~#flag1~0.offset| 4)) (.cse9 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse10 (+ 32 |c_main_~#__CS_cp___CS_thread_lockedon~0.offset|)) (.cse12 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse13 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 20)) (.cse15 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse16 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 28)) (.cse18 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse19 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 16)) (.cse21 (+ |c_~#__CS_thread_lockedon~0.offset| 24)) (.cse22 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 24)) (.cse23 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse24 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 12)) (.cse27 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse2 (+ |c_~#flag2~0.offset| 4)) (.cse36 (+ 3 |c_~#__CS_thread_status~0.offset|))) (and (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_main_#t~mem70|) (exists ((v_~__CS_thread~0.base_49 (Array Int Int))) (= c_~__CS_thread~0.base (store v_~__CS_thread~0.base_49 0 |#funAddr~main_thread.base|))) (exists ((|v_#memory_$Pointer$.base_349| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_152| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_151| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_150| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_149| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_148| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_147| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_146| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_153| (Array Int (Array Int Int)))) (let ((.cse0 (select |v_#memory_$Pointer$.base_155| |c_~#flag2~0.base|)) (.cse7 (select |v_#memory_$Pointer$.base_147| |c_~#flag1~0.base|)) (.cse26 (select |v_#memory_$Pointer$.base_149| |c_~#__CS_thread_status~0.base|)) (.cse33 (select |v_#memory_$Pointer$.base_153| |c_~#__CS_thread_status~0.base|)) (.cse4 (select |v_#memory_$Pointer$.base_150| |c_~#x~0.base|)) (.cse29 (select |v_#memory_$Pointer$.base_151| |c_~#__CS_thread_status~0.base|)) (.cse28 (select |v_#memory_$Pointer$.base_148| |c_~#__CS_thread_status~0.base|)) (.cse31 (select |v_#memory_$Pointer$.base_154| |c_~#__CS_thread_status~0.base|))) (and (= |v_#memory_$Pointer$.base_145| (store |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|)))) (= (store |v_#memory_$Pointer$.base_155| |c_~#flag2~0.base| (store .cse0 .cse1 (select (select |v_#memory_$Pointer$.base_157| |c_~#flag2~0.base|) .cse1))) |v_#memory_$Pointer$.base_157|) (= (store |v_#memory_$Pointer$.base_146| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.base_146| |c_~#flag2~0.base|) .cse2 (select .cse0 .cse2))) |v_#memory_$Pointer$.base_155|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.base_157| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.base_157| |c_~#x~0.base|) .cse3 (select .cse4 .cse3))) |v_#memory_$Pointer$.base_150|) (= (let ((.cse5 (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| (let ((.cse8 (let ((.cse11 (let ((.cse14 (let ((.cse17 (let ((.cse20 (store (select |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base|) .cse23 (select (select |v_#memory_$Pointer$.base_152| |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse24)))) (store .cse20 .cse21 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse20) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse22))))) (store .cse17 .cse18 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse17) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse19))))) (store .cse14 .cse15 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse14) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse16))))) (store .cse11 .cse12 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse11) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse13))))) (store .cse8 .cse9 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse8) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse10)))))) (store .cse5 |c_~#flag1~0.base| (store (select .cse5 |c_~#flag1~0.base|) .cse6 (select .cse7 .cse6)))) |v_#memory_$Pointer$.base_147|) (= (store |v_#memory_$Pointer$.base_147| |c_~#flag1~0.base| (store .cse7 .cse25 (select (select |v_#memory_$Pointer$.base_146| |c_~#flag1~0.base|) .cse25))) |v_#memory_$Pointer$.base_146|) (= (store |v_#memory_$Pointer$.base_149| |c_~#__CS_thread_status~0.base| (store .cse26 .cse27 (select .cse28 .cse27))) |v_#memory_$Pointer$.base_148|) (= (store |v_#memory_$Pointer$.base_151| |c_~#__CS_thread_status~0.base| (store .cse29 .cse30 (select .cse26 .cse30))) |v_#memory_$Pointer$.base_149|) (= (store |v_#memory_$Pointer$.base_154| |c_~#__CS_thread_status~0.base| (store .cse31 .cse32 (select .cse33 .cse32))) |v_#memory_$Pointer$.base_153|) (= (store |v_#memory_$Pointer$.base_153| |c_~#__CS_thread_status~0.base| (store .cse33 .cse34 (select (select |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_status~0.base|) .cse34))) |v_#memory_$Pointer$.base_152|) (= (store |v_#memory_$Pointer$.base_150| |c_~#x~0.base| (store .cse4 .cse35 (select (select |v_#memory_$Pointer$.base_156| |c_~#x~0.base|) .cse35))) |v_#memory_$Pointer$.base_156|) (= (store |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.base_144|) (= (store |v_#memory_$Pointer$.base_349| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_349| |c_~#__CS_thread_status~0.base|) .cse36 (select .cse29 .cse36))) |v_#memory_$Pointer$.base_151|) (= |v_#memory_$Pointer$.base_154| (store |v_#memory_$Pointer$.base_148| |c_~#__CS_thread_status~0.base| (store .cse28 .cse37 (select .cse31 .cse37))))))) (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|))) (exists ((|v_#memory_int_165| (Array Int (Array Int Int))) (|v_#memory_int_298| (Array Int (Array Int Int))) (|v_#memory_int_166| (Array Int (Array Int Int))) (|v_#memory_int_167| (Array Int (Array Int Int))) (|v_#memory_int_168| (Array Int (Array Int Int))) (|v_#memory_int_163| (Array Int (Array Int Int))) (|v_#memory_int_164| (Array Int (Array Int Int)))) (let ((.cse38 (select |v_#memory_int_167| |c_~#__CS_thread_lockedon~0.base|)) (.cse41 (select |v_#memory_int_164| |c_~#__CS_thread_lockedon~0.base|)) (.cse42 (select |v_#memory_int_163| |c_~#__CS_thread_lockedon~0.base|)) (.cse39 (select |v_#memory_int_166| |c_~#__CS_thread_lockedon~0.base|)) (.cse40 (select |v_#memory_int_165| |c_~#__CS_thread_lockedon~0.base|))) (and (= (store |v_#memory_int_167| |c_~#__CS_thread_lockedon~0.base| (store .cse38 .cse21 (select .cse39 .cse21))) |v_#memory_int_166|) (= (store |v_#memory_int_165| |c_~#__CS_thread_lockedon~0.base| (store .cse40 .cse15 (select .cse41 .cse15))) |v_#memory_int_164|) (= (store |v_#memory_int_163| |c_~#__CS_thread_lockedon~0.base| (store .cse42 .cse9 (select (select |v_#memory_int_168| |c_~#__CS_thread_lockedon~0.base|) .cse9))) |v_#memory_int_168|) (= (let ((.cse43 (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| (let ((.cse44 (let ((.cse45 (let ((.cse46 (let ((.cse47 (let ((.cse48 (store (select |v_#memory_int_298| |c_~#__CS_thread_status~0.base|) .cse36 (select (select |v_#memory_int_298| |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 3))))) (store .cse48 .cse30 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse48) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 6)))))) (store .cse47 .cse27 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse47) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 4)))))) (store .cse46 .cse37 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse46) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 7)))))) (store .cse45 .cse32 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse45) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 5)))))) (store .cse44 .cse34 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse44) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 8))))))) (store .cse43 |c_~#__CS_thread_lockedon~0.base| (store (select .cse43 |c_~#__CS_thread_lockedon~0.base|) .cse23 (select .cse38 .cse23)))) |v_#memory_int_167|) (= (store |v_#memory_int_164| |c_~#__CS_thread_lockedon~0.base| (store .cse41 .cse12 (select .cse42 .cse12))) |v_#memory_int_163|) (= |v_#memory_int_165| (store |v_#memory_int_166| |c_~#__CS_thread_lockedon~0.base| (store .cse39 .cse18 (select .cse40 .cse18)))) (= |c_#memory_int| (let ((.cse49 (let ((.cse50 (let ((.cse51 (let ((.cse52 (let ((.cse54 (store |v_#memory_int_168| |c_~#flag1~0.base| (let ((.cse56 (store (select |v_#memory_int_168| |c_~#flag1~0.base|) .cse6 (select (select |v_#memory_int_168| |c_main_~#__CS_cp_flag1~0.base|) (+ |c_main_~#__CS_cp_flag1~0.offset| 4))))) (store .cse56 .cse25 (select (select (store |v_#memory_int_168| |c_~#flag1~0.base| .cse56) |c_main_~#__CS_cp_flag1~0.base|) (+ |c_main_~#__CS_cp_flag1~0.offset| 8))))))) (store .cse54 |c_~#flag2~0.base| (let ((.cse55 (store (select .cse54 |c_~#flag2~0.base|) .cse2 (select (select .cse54 |c_main_~#__CS_cp_flag2~0.base|) (+ |c_main_~#__CS_cp_flag2~0.offset| 4))))) (store .cse55 .cse1 (select (select (store .cse54 |c_~#flag2~0.base| .cse55) |c_main_~#__CS_cp_flag2~0.base|) (+ |c_main_~#__CS_cp_flag2~0.offset| 8)))))))) (store .cse52 |c_~#x~0.base| (let ((.cse53 (store (select .cse52 |c_~#x~0.base|) .cse3 (select (select .cse52 |c_main_~#__CS_cp_x~0.base|) (+ |c_main_~#__CS_cp_x~0.offset| 4))))) (store .cse53 .cse35 (select (select (store .cse52 |c_~#x~0.base| .cse53) |c_main_~#__CS_cp_x~0.base|) (+ 8 |c_main_~#__CS_cp_x~0.offset|)))))))) (store .cse51 |c_~#__CS_thread_born_round~0.base| (store (select .cse51 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse50 |c_~#__CS_thread_status~0.base| (store (select .cse50 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse49 |c_~#__CS_thread_allocated~0.base| (store (select .cse49 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1))))))) (<= 3 c_main_~i~0) (<= 3 c_main_~j~2) (exists ((|v_#memory_$Pointer$.offset_148| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_149| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_349| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_150| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_151| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_152| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_153| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_146| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_147| (Array Int (Array Int Int)))) (let ((.cse59 (select |v_#memory_$Pointer$.offset_151| |c_~#__CS_thread_status~0.base|)) (.cse57 (select |v_#memory_$Pointer$.offset_150| |c_~#__CS_thread_status~0.base|)) (.cse60 (select |v_#memory_$Pointer$.offset_156| |c_~#x~0.base|)) (.cse64 (select |v_#memory_$Pointer$.offset_146| |c_~#flag1~0.base|)) (.cse62 (select |v_#memory_$Pointer$.offset_153| |c_~#__CS_thread_status~0.base|)) (.cse58 (select |v_#memory_$Pointer$.offset_152| |c_~#__CS_thread_status~0.base|)) (.cse63 (select |v_#memory_$Pointer$.offset_149| |c_~#flag2~0.base|)) (.cse61 (select |v_#memory_$Pointer$.offset_155| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_147| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_147| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_154|) (= |v_#memory_$Pointer$.offset_144| (store |v_#memory_$Pointer$.offset_150| |c_~#__CS_thread_status~0.base| (store .cse57 .cse34 (select (select |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_status~0.base|) .cse34)))) (= |v_#memory_$Pointer$.offset_151| (store |v_#memory_$Pointer$.offset_152| |c_~#__CS_thread_status~0.base| (store .cse58 .cse37 (select .cse59 .cse37)))) (= |v_#memory_$Pointer$.offset_150| (store |v_#memory_$Pointer$.offset_151| |c_~#__CS_thread_status~0.base| (store .cse59 .cse32 (select .cse57 .cse32)))) (= (store |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_157| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.offset_157|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_157| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_157| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.offset_148| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.offset_148| |c_~#x~0.base|) .cse3 (select .cse60 .cse3))) |v_#memory_$Pointer$.offset_156|) (= (store |v_#memory_$Pointer$.offset_156| |c_~#x~0.base| (store .cse60 .cse35 (select (select |v_#memory_$Pointer$.offset_147| |c_~#x~0.base|) .cse35))) |v_#memory_$Pointer$.offset_147|) (= |v_#memory_$Pointer$.offset_153| (store |v_#memory_$Pointer$.offset_155| |c_~#__CS_thread_status~0.base| (store .cse61 .cse30 (select .cse62 .cse30)))) (= |v_#memory_$Pointer$.offset_148| (store |v_#memory_$Pointer$.offset_149| |c_~#flag2~0.base| (store .cse63 .cse1 (select (select |v_#memory_$Pointer$.offset_148| |c_~#flag2~0.base|) .cse1)))) (= |v_#memory_$Pointer$.offset_145| (store |v_#memory_$Pointer$.offset_146| |c_~#flag1~0.base| (store .cse64 .cse25 (select (select |v_#memory_$Pointer$.offset_145| |c_~#flag1~0.base|) .cse25)))) (= (let ((.cse65 (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| (let ((.cse66 (let ((.cse67 (let ((.cse68 (let ((.cse69 (let ((.cse70 (store (select |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base|) .cse23 (select (select |v_#memory_$Pointer$.offset_144| |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse24)))) (store .cse70 .cse21 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse70) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse22))))) (store .cse69 .cse18 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse69) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse19))))) (store .cse68 .cse15 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse68) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse16))))) (store .cse67 .cse12 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse67) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse13))))) (store .cse66 .cse9 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse66) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse10)))))) (store .cse65 |c_~#flag1~0.base| (store (select .cse65 |c_~#flag1~0.base|) .cse6 (select .cse64 .cse6)))) |v_#memory_$Pointer$.offset_146|) (= (store |v_#memory_$Pointer$.offset_153| |c_~#__CS_thread_status~0.base| (store .cse62 .cse27 (select .cse58 .cse27))) |v_#memory_$Pointer$.offset_152|) (= |v_#memory_$Pointer$.offset_149| (store |v_#memory_$Pointer$.offset_145| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.offset_145| |c_~#flag2~0.base|) .cse2 (select .cse63 .cse2)))) (= |v_#memory_$Pointer$.offset_155| (store |v_#memory_$Pointer$.offset_349| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_349| |c_~#__CS_thread_status~0.base|) .cse36 (select .cse61 .cse36))))))) (= c_~__CS_round~0 0) (= c_~__CS_thread_index~0 0))) is different from false [2023-04-01 06:49:16,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [789783121] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:49:16,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:49:16,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 4, 4] total 13 [2023-04-01 06:49:16,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695437667] [2023-04-01 06:49:16,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:49:16,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 06:49:16,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:49:16,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 06:49:16,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=103, Unknown=1, NotChecked=20, Total=156 [2023-04-01 06:49:16,048 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand has 9 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 06:49:19,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 06:49:21,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 06:49:23,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-04-01 06:49:25,825 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 06:49:27,855 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_~#flag2~0.offset| 0)) (.cse1 (= 2 c_~__THREAD_FINISHED~0)) (.cse2 (= |c_~#__CS_thread_born_round~0.offset| 0)) (.cse3 (= c_~__CS_ret_FINISHED~0 4)) (.cse4 (= 5 |c_~#__CS_thread_status~0.base|)) (.cse5 (= 6 |c_~#__CS_thread_lockedon~0.base|)) (.cse6 (= 2 c_~__CS_ret_ERROR~0)) (.cse7 (= |c_#NULL.offset| 0)) (.cse8 (= c_~__CS_ret~0 0)) (.cse9 (<= 1 |c_#StackHeapBarrier|)) (.cse10 (= |c_~#__CS_thread_born_round~0.base| 4)) (.cse11 (= |c_~#flag1~0.offset| 0)) (.cse12 (= |c_#NULL.base| 0)) (.cse13 (= 7 |c_~#flag1~0.base|)) (.cse14 (= 3 |c_~#__CS_thread_allocated~0.base|)) (.cse53 (= c_~__CS_error~0 0)) (.cse54 (= c_~__THREAD_UNUSED~0 0)) (.cse55 (= 0 |c_~#x~0.offset|)) (.cse56 (= 1 c_~__THREAD_RUNNING~0)) (.cse76 (= |c_~#__CS_thread_status~0.offset| 0)) (.cse78 (= 9 |c_~#x~0.base|)) (.cse85 (<= 3 c_main_~j~2)) (.cse79 (= 8 |c_~#flag2~0.base|)) (.cse49 (+ 8 |c_~#__CS_thread_status~0.offset|)) (.cse52 (+ 7 |c_~#__CS_thread_status~0.offset|)) (.cse47 (+ 5 |c_~#__CS_thread_status~0.offset|)) (.cse18 (+ 4 |c_~#x~0.offset|)) (.cse50 (+ 8 |c_~#x~0.offset|)) (.cse45 (+ 6 |c_~#__CS_thread_status~0.offset|)) (.cse16 (+ |c_~#flag2~0.offset| 8)) (.cse40 (+ |c_~#flag1~0.offset| 8)) (.cse21 (+ |c_~#flag1~0.offset| 4)) (.cse24 (+ |c_~#__CS_thread_lockedon~0.offset| 32)) (.cse25 (+ 32 |c_main_~#__CS_cp___CS_thread_lockedon~0.offset|)) (.cse27 (+ |c_~#__CS_thread_lockedon~0.offset| 20)) (.cse28 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 20)) (.cse30 (+ |c_~#__CS_thread_lockedon~0.offset| 28)) (.cse31 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 28)) (.cse33 (+ |c_~#__CS_thread_lockedon~0.offset| 16)) (.cse34 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 16)) (.cse36 (+ |c_~#__CS_thread_lockedon~0.offset| 24)) (.cse37 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 24)) (.cse38 (+ |c_~#__CS_thread_lockedon~0.offset| 12)) (.cse39 (+ |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 12)) (.cse42 (+ |c_~#__CS_thread_status~0.offset| 4)) (.cse17 (+ |c_~#flag2~0.offset| 4)) (.cse51 (+ 3 |c_~#__CS_thread_status~0.offset|)) (.cse80 (= c_~__CS_round~0 0)) (.cse81 (= c_~__CS_thread_index~0 0)) (.cse82 (= |c_~#__CS_thread_allocated~0.offset| 0)) (.cse83 (= c_~__CS_ret_PREEMPTED~0 1)) (.cse84 (= |c_~#__CS_thread_lockedon~0.offset| 0))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= (select (select |c_#memory_int| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|) |c_main_#t~mem70|) .cse6 .cse7 .cse8 .cse9 (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|))) .cse10 .cse11 .cse12 .cse13 .cse14 (exists ((|v_#memory_$Pointer$.base_349| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_152| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_151| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_150| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_149| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_148| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_147| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_146| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_153| (Array Int (Array Int Int)))) (let ((.cse15 (select |v_#memory_$Pointer$.base_155| |c_~#flag2~0.base|)) (.cse22 (select |v_#memory_$Pointer$.base_147| |c_~#flag1~0.base|)) (.cse41 (select |v_#memory_$Pointer$.base_149| |c_~#__CS_thread_status~0.base|)) (.cse48 (select |v_#memory_$Pointer$.base_153| |c_~#__CS_thread_status~0.base|)) (.cse19 (select |v_#memory_$Pointer$.base_150| |c_~#x~0.base|)) (.cse44 (select |v_#memory_$Pointer$.base_151| |c_~#__CS_thread_status~0.base|)) (.cse43 (select |v_#memory_$Pointer$.base_148| |c_~#__CS_thread_status~0.base|)) (.cse46 (select |v_#memory_$Pointer$.base_154| |c_~#__CS_thread_status~0.base|))) (and (= |v_#memory_$Pointer$.base_145| (store |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.base_156| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|)))) (= (store |v_#memory_$Pointer$.base_155| |c_~#flag2~0.base| (store .cse15 .cse16 (select (select |v_#memory_$Pointer$.base_157| |c_~#flag2~0.base|) .cse16))) |v_#memory_$Pointer$.base_157|) (= (store |v_#memory_$Pointer$.base_146| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.base_146| |c_~#flag2~0.base|) .cse17 (select .cse15 .cse17))) |v_#memory_$Pointer$.base_155|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.base| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.base_157| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.base_157| |c_~#x~0.base|) .cse18 (select .cse19 .cse18))) |v_#memory_$Pointer$.base_150|) (= (let ((.cse20 (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| (let ((.cse23 (let ((.cse26 (let ((.cse29 (let ((.cse32 (let ((.cse35 (store (select |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base|) .cse38 (select (select |v_#memory_$Pointer$.base_152| |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse39)))) (store .cse35 .cse36 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse35) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse37))))) (store .cse32 .cse33 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse32) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse34))))) (store .cse29 .cse30 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse29) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse31))))) (store .cse26 .cse27 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse26) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse28))))) (store .cse23 .cse24 (select (select (store |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_lockedon~0.base| .cse23) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse25)))))) (store .cse20 |c_~#flag1~0.base| (store (select .cse20 |c_~#flag1~0.base|) .cse21 (select .cse22 .cse21)))) |v_#memory_$Pointer$.base_147|) (= (store |v_#memory_$Pointer$.base_147| |c_~#flag1~0.base| (store .cse22 .cse40 (select (select |v_#memory_$Pointer$.base_146| |c_~#flag1~0.base|) .cse40))) |v_#memory_$Pointer$.base_146|) (= (store |v_#memory_$Pointer$.base_149| |c_~#__CS_thread_status~0.base| (store .cse41 .cse42 (select .cse43 .cse42))) |v_#memory_$Pointer$.base_148|) (= (store |v_#memory_$Pointer$.base_151| |c_~#__CS_thread_status~0.base| (store .cse44 .cse45 (select .cse41 .cse45))) |v_#memory_$Pointer$.base_149|) (= (store |v_#memory_$Pointer$.base_154| |c_~#__CS_thread_status~0.base| (store .cse46 .cse47 (select .cse48 .cse47))) |v_#memory_$Pointer$.base_153|) (= (store |v_#memory_$Pointer$.base_153| |c_~#__CS_thread_status~0.base| (store .cse48 .cse49 (select (select |v_#memory_$Pointer$.base_152| |c_~#__CS_thread_status~0.base|) .cse49))) |v_#memory_$Pointer$.base_152|) (= (store |v_#memory_$Pointer$.base_150| |c_~#x~0.base| (store .cse19 .cse50 (select (select |v_#memory_$Pointer$.base_156| |c_~#x~0.base|) .cse50))) |v_#memory_$Pointer$.base_156|) (= (store |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_145| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.base_144| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.base_144|) (= (store |v_#memory_$Pointer$.base_349| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.base_349| |c_~#__CS_thread_status~0.base|) .cse51 (select .cse44 .cse51))) |v_#memory_$Pointer$.base_151|) (= |v_#memory_$Pointer$.base_154| (store |v_#memory_$Pointer$.base_148| |c_~#__CS_thread_status~0.base| (store .cse43 .cse52 (select .cse46 .cse52))))))) (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|))) .cse53 .cse54 .cse55 .cse56 (exists ((|v_#memory_int_165| (Array Int (Array Int Int))) (|v_#memory_int_298| (Array Int (Array Int Int))) (|v_#memory_int_166| (Array Int (Array Int Int))) (|v_#memory_int_167| (Array Int (Array Int Int))) (|v_#memory_int_168| (Array Int (Array Int Int))) (|v_#memory_int_163| (Array Int (Array Int Int))) (|v_#memory_int_164| (Array Int (Array Int Int)))) (let ((.cse57 (select |v_#memory_int_167| |c_~#__CS_thread_lockedon~0.base|)) (.cse60 (select |v_#memory_int_164| |c_~#__CS_thread_lockedon~0.base|)) (.cse61 (select |v_#memory_int_163| |c_~#__CS_thread_lockedon~0.base|)) (.cse58 (select |v_#memory_int_166| |c_~#__CS_thread_lockedon~0.base|)) (.cse59 (select |v_#memory_int_165| |c_~#__CS_thread_lockedon~0.base|))) (and (= (store |v_#memory_int_167| |c_~#__CS_thread_lockedon~0.base| (store .cse57 .cse36 (select .cse58 .cse36))) |v_#memory_int_166|) (= (store |v_#memory_int_165| |c_~#__CS_thread_lockedon~0.base| (store .cse59 .cse30 (select .cse60 .cse30))) |v_#memory_int_164|) (= (store |v_#memory_int_163| |c_~#__CS_thread_lockedon~0.base| (store .cse61 .cse24 (select (select |v_#memory_int_168| |c_~#__CS_thread_lockedon~0.base|) .cse24))) |v_#memory_int_168|) (= (let ((.cse62 (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| (let ((.cse63 (let ((.cse64 (let ((.cse65 (let ((.cse66 (let ((.cse67 (store (select |v_#memory_int_298| |c_~#__CS_thread_status~0.base|) .cse51 (select (select |v_#memory_int_298| |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 3))))) (store .cse67 .cse45 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse67) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 6)))))) (store .cse66 .cse42 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse66) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 4)))))) (store .cse65 .cse52 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse65) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 7)))))) (store .cse64 .cse47 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse64) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 5)))))) (store .cse63 .cse49 (select (select (store |v_#memory_int_298| |c_~#__CS_thread_status~0.base| .cse63) |c_main_~#__CS_cp___CS_thread_status~0.base|) (+ |c_main_~#__CS_cp___CS_thread_status~0.offset| 8))))))) (store .cse62 |c_~#__CS_thread_lockedon~0.base| (store (select .cse62 |c_~#__CS_thread_lockedon~0.base|) .cse38 (select .cse57 .cse38)))) |v_#memory_int_167|) (= (store |v_#memory_int_164| |c_~#__CS_thread_lockedon~0.base| (store .cse60 .cse27 (select .cse61 .cse27))) |v_#memory_int_163|) (= |v_#memory_int_165| (store |v_#memory_int_166| |c_~#__CS_thread_lockedon~0.base| (store .cse58 .cse33 (select .cse59 .cse33)))) (= |c_#memory_int| (let ((.cse68 (let ((.cse69 (let ((.cse70 (let ((.cse71 (let ((.cse73 (store |v_#memory_int_168| |c_~#flag1~0.base| (let ((.cse75 (store (select |v_#memory_int_168| |c_~#flag1~0.base|) .cse21 (select (select |v_#memory_int_168| |c_main_~#__CS_cp_flag1~0.base|) (+ |c_main_~#__CS_cp_flag1~0.offset| 4))))) (store .cse75 .cse40 (select (select (store |v_#memory_int_168| |c_~#flag1~0.base| .cse75) |c_main_~#__CS_cp_flag1~0.base|) (+ |c_main_~#__CS_cp_flag1~0.offset| 8))))))) (store .cse73 |c_~#flag2~0.base| (let ((.cse74 (store (select .cse73 |c_~#flag2~0.base|) .cse17 (select (select .cse73 |c_main_~#__CS_cp_flag2~0.base|) (+ |c_main_~#__CS_cp_flag2~0.offset| 4))))) (store .cse74 .cse16 (select (select (store .cse73 |c_~#flag2~0.base| .cse74) |c_main_~#__CS_cp_flag2~0.base|) (+ |c_main_~#__CS_cp_flag2~0.offset| 8)))))))) (store .cse71 |c_~#x~0.base| (let ((.cse72 (store (select .cse71 |c_~#x~0.base|) .cse18 (select (select .cse71 |c_main_~#__CS_cp_x~0.base|) (+ |c_main_~#__CS_cp_x~0.offset| 4))))) (store .cse72 .cse50 (select (select (store .cse71 |c_~#x~0.base| .cse72) |c_main_~#__CS_cp_x~0.base|) (+ 8 |c_main_~#__CS_cp_x~0.offset|)))))))) (store .cse70 |c_~#__CS_thread_born_round~0.base| (store (select .cse70 |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| 0))))) (store .cse69 |c_~#__CS_thread_status~0.base| (store (select .cse69 |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| c_~__THREAD_RUNNING~0))))) (store .cse68 |c_~#__CS_thread_allocated~0.base| (store (select .cse68 |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| 1))))))) .cse76 (<= 3 c_main_~i~0) (or (let ((.cse77 (+ |c_#StackHeapBarrier| 1))) (and (<= .cse77 |c_main_~#__CS_cp_flag2~0.base|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= .cse77 |c_main_~#__CS_cp_flag1~0.base|) .cse6 .cse7 (= |c_main_~#__CS_cp___CS_thread_status~0.offset| 0) .cse8 .cse9 .cse10 (= c_main_~i~0 0) (= |c_old(~__CS_error~0)| 0) .cse11 .cse12 (= |c_main_~#__CS_cp_flag2~0.offset| 0) .cse13 .cse14 (= |c_main_~#__CS_cp_flag1~0.offset| 0) (= |c_main_~#__CS_cp_x~0.offset| 0) (= |c_old(~__CS_ret~0)| 0) (<= .cse77 |c_main_~#__CS_cp_x~0.base|) .cse53 .cse54 (= |c_old(~__CS_thread_index~0)| 0) .cse55 .cse56 (= |c_main_~#__CS_cp___CS_thread_lockedon~0.offset| 0) .cse76 .cse78 .cse79 (= |c_old(~__CS_round~0)| 0) (<= .cse77 |c_main_~#__CS_cp___CS_thread_status~0.base|) (<= .cse77 |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse80 .cse81 .cse82 .cse83 .cse84)) .cse85) .cse78 .cse85 .cse79 (exists ((|v_#memory_$Pointer$.offset_148| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_149| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_349| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_150| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_151| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_152| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_153| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_155| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_144| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_145| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_146| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_157| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_147| (Array Int (Array Int Int)))) (let ((.cse88 (select |v_#memory_$Pointer$.offset_151| |c_~#__CS_thread_status~0.base|)) (.cse86 (select |v_#memory_$Pointer$.offset_150| |c_~#__CS_thread_status~0.base|)) (.cse89 (select |v_#memory_$Pointer$.offset_156| |c_~#x~0.base|)) (.cse93 (select |v_#memory_$Pointer$.offset_146| |c_~#flag1~0.base|)) (.cse91 (select |v_#memory_$Pointer$.offset_153| |c_~#__CS_thread_status~0.base|)) (.cse87 (select |v_#memory_$Pointer$.offset_152| |c_~#__CS_thread_status~0.base|)) (.cse92 (select |v_#memory_$Pointer$.offset_149| |c_~#flag2~0.base|)) (.cse90 (select |v_#memory_$Pointer$.offset_155| |c_~#__CS_thread_status~0.base|))) (and (= (store |v_#memory_$Pointer$.offset_147| |c_~#__CS_thread_born_round~0.base| (store (select |v_#memory_$Pointer$.offset_147| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset| (select (select |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_born_round~0.base|) |c_~#__CS_thread_born_round~0.offset|))) |v_#memory_$Pointer$.offset_154|) (= |v_#memory_$Pointer$.offset_144| (store |v_#memory_$Pointer$.offset_150| |c_~#__CS_thread_status~0.base| (store .cse86 .cse49 (select (select |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_status~0.base|) .cse49)))) (= |v_#memory_$Pointer$.offset_151| (store |v_#memory_$Pointer$.offset_152| |c_~#__CS_thread_status~0.base| (store .cse87 .cse52 (select .cse88 .cse52)))) (= |v_#memory_$Pointer$.offset_150| (store |v_#memory_$Pointer$.offset_151| |c_~#__CS_thread_status~0.base| (store .cse88 .cse47 (select .cse86 .cse47)))) (= (store |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_154| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset| (select (select |v_#memory_$Pointer$.offset_157| |c_~#__CS_thread_status~0.base|) |c_~#__CS_thread_status~0.offset|))) |v_#memory_$Pointer$.offset_157|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_157| |c_~#__CS_thread_allocated~0.base| (store (select |v_#memory_$Pointer$.offset_157| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset| (select (select |c_#memory_$Pointer$.offset| |c_~#__CS_thread_allocated~0.base|) |c_~#__CS_thread_allocated~0.offset|)))) (= (store |v_#memory_$Pointer$.offset_148| |c_~#x~0.base| (store (select |v_#memory_$Pointer$.offset_148| |c_~#x~0.base|) .cse18 (select .cse89 .cse18))) |v_#memory_$Pointer$.offset_156|) (= (store |v_#memory_$Pointer$.offset_156| |c_~#x~0.base| (store .cse89 .cse50 (select (select |v_#memory_$Pointer$.offset_147| |c_~#x~0.base|) .cse50))) |v_#memory_$Pointer$.offset_147|) (= |v_#memory_$Pointer$.offset_153| (store |v_#memory_$Pointer$.offset_155| |c_~#__CS_thread_status~0.base| (store .cse90 .cse45 (select .cse91 .cse45)))) (= |v_#memory_$Pointer$.offset_148| (store |v_#memory_$Pointer$.offset_149| |c_~#flag2~0.base| (store .cse92 .cse16 (select (select |v_#memory_$Pointer$.offset_148| |c_~#flag2~0.base|) .cse16)))) (= |v_#memory_$Pointer$.offset_145| (store |v_#memory_$Pointer$.offset_146| |c_~#flag1~0.base| (store .cse93 .cse40 (select (select |v_#memory_$Pointer$.offset_145| |c_~#flag1~0.base|) .cse40)))) (= (let ((.cse94 (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| (let ((.cse95 (let ((.cse96 (let ((.cse97 (let ((.cse98 (let ((.cse99 (store (select |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base|) .cse38 (select (select |v_#memory_$Pointer$.offset_144| |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse39)))) (store .cse99 .cse36 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse99) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse37))))) (store .cse98 .cse33 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse98) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse34))))) (store .cse97 .cse30 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse97) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse31))))) (store .cse96 .cse27 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse96) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse28))))) (store .cse95 .cse24 (select (select (store |v_#memory_$Pointer$.offset_144| |c_~#__CS_thread_lockedon~0.base| .cse95) |c_main_~#__CS_cp___CS_thread_lockedon~0.base|) .cse25)))))) (store .cse94 |c_~#flag1~0.base| (store (select .cse94 |c_~#flag1~0.base|) .cse21 (select .cse93 .cse21)))) |v_#memory_$Pointer$.offset_146|) (= (store |v_#memory_$Pointer$.offset_153| |c_~#__CS_thread_status~0.base| (store .cse91 .cse42 (select .cse87 .cse42))) |v_#memory_$Pointer$.offset_152|) (= |v_#memory_$Pointer$.offset_149| (store |v_#memory_$Pointer$.offset_145| |c_~#flag2~0.base| (store (select |v_#memory_$Pointer$.offset_145| |c_~#flag2~0.base|) .cse17 (select .cse92 .cse17)))) (= |v_#memory_$Pointer$.offset_155| (store |v_#memory_$Pointer$.offset_349| |c_~#__CS_thread_status~0.base| (store (select |v_#memory_$Pointer$.offset_349| |c_~#__CS_thread_status~0.base|) .cse51 (select .cse90 .cse51))))))) .cse80 .cse81 .cse82 (<= 0 c_main_~j~2) .cse83 .cse84)) is different from false [2023-04-01 06:49:29,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:49:29,356 INFO L93 Difference]: Finished difference Result 196 states and 269 transitions. [2023-04-01 06:49:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 06:49:29,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 91 [2023-04-01 06:49:29,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:49:29,359 INFO L225 Difference]: With dead ends: 196 [2023-04-01 06:49:29,359 INFO L226 Difference]: Without dead ends: 105 [2023-04-01 06:49:29,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=57, Invalid=189, Unknown=2, NotChecked=58, Total=306 [2023-04-01 06:49:29,361 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 23 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 37 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-01 06:49:29,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 334 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 631 Invalid, 4 Unknown, 91 Unchecked, 9.6s Time] [2023-04-01 06:49:29,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-04-01 06:49:29,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2023-04-01 06:49:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 36 states have call successors, (36), 9 states have call predecessors, (36), 7 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-04-01 06:49:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 140 transitions. [2023-04-01 06:49:29,386 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 140 transitions. Word has length 91 [2023-04-01 06:49:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:49:29,387 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 140 transitions. [2023-04-01 06:49:29,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 06:49:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 140 transitions. [2023-04-01 06:49:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-04-01 06:49:29,388 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:49:29,388 INFO L195 NwaCegarLoop]: trace histogram [19, 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, 1, 1] [2023-04-01 06:49:29,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 06:49:29,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:49:29,605 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:49:29,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:49:29,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2146251207, now seen corresponding path program 1 times [2023-04-01 06:49:29,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:49:29,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776237529] [2023-04-01 06:49:29,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:49:29,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:49:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:49:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-04-01 06:49:30,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:49:30,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776237529] [2023-04-01 06:49:30,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776237529] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:49:30,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126019665] [2023-04-01 06:49:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:49:30,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:49:30,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:49:30,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:49:30,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 06:49:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:49:32,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 06:49:32,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:49:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-04-01 06:49:32,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:49:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-04-01 06:49:32,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126019665] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:49:32,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1312938260] [2023-04-01 06:49:32,169 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2023-04-01 06:49:32,169 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:49:32,170 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:49:32,170 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:49:32,170 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:49:32,518 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs