/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-pthread/cs_stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 09:58:36,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 09:58:36,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 09:58:36,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 09:58:36,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 09:58:36,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 09:58:36,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 09:58:36,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 09:58:36,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 09:58:36,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 09:58:36,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 09:58:36,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 09:58:36,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 09:58:36,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 09:58:36,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 09:58:36,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 09:58:36,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 09:58:36,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 09:58:36,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 09:58:36,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 09:58:36,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 09:58:36,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 09:58:36,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 09:58:36,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 09:58:36,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 09:58:36,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 09:58:36,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 09:58:36,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 09:58:36,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 09:58:36,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 09:58:36,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 09:58:36,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 09:58:36,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 09:58:36,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 09:58:36,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 09:58:36,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 09:58:36,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 09:58:36,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 09:58:36,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 09:58:36,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 09:58:36,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 09:58:36,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 09:58:37,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 09:58:37,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 09:58:37,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 09:58:37,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 09:58:37,013 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 09:58:37,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 09:58:37,014 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 09:58:37,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 09:58:37,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 09:58:37,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 09:58:37,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 09:58:37,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 09:58:37,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 09:58:37,016 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 09:58:37,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 09:58:37,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 09:58:37,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 09:58:37,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 09:58:37,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 09:58:37,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 09:58:37,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 09:58:37,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 09:58:37,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 09:58:37,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 09:58:37,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 09:58:37,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 09:58:37,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 09:58:37,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 09:58:37,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 09:58:37,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 09:58:37,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 09:58:37,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 09:58:37,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 09:58:37,364 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 09:58:37,364 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 09:58:37,365 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_stack-1.i [2020-10-14 09:58:37,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50c31b86e/83653bbe527b4d278c7a046da4d2a9dc/FLAG955d31fef [2020-10-14 09:58:37,942 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 09:58:37,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-pthread/cs_stack-1.i [2020-10-14 09:58:37,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50c31b86e/83653bbe527b4d278c7a046da4d2a9dc/FLAG955d31fef [2020-10-14 09:58:38,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/50c31b86e/83653bbe527b4d278c7a046da4d2a9dc [2020-10-14 09:58:38,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 09:58:38,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 09:58:38,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 09:58:38,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 09:58:38,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 09:58:38,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:58:38" (1/1) ... [2020-10-14 09:58:38,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131863d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:38, skipping insertion in model container [2020-10-14 09:58:38,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:58:38" (1/1) ... [2020-10-14 09:58:38,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 09:58:38,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 09:58:39,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:58:39,075 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 09:58:39,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 09:58:39,453 INFO L208 MainTranslator]: Completed translation [2020-10-14 09:58:39,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39 WrapperNode [2020-10-14 09:58:39,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 09:58:39,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 09:58:39,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 09:58:39,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 09:58:39,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... [2020-10-14 09:58:39,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... [2020-10-14 09:58:39,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... [2020-10-14 09:58:39,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... [2020-10-14 09:58:39,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... [2020-10-14 09:58:39,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... [2020-10-14 09:58:39,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... [2020-10-14 09:58:39,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 09:58:39,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 09:58:39,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 09:58:39,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 09:58:39,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:58:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 09:58:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 09:58:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 09:58:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-14 09:58:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 09:58:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 09:58:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 09:58:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-14 09:58:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-14 09:58:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-14 09:58:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 09:58:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2020-10-14 09:58:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2020-10-14 09:58:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2020-10-14 09:58:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2020-10-14 09:58:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2020-10-14 09:58:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2020-10-14 09:58:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2020-10-14 09:58:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2020-10-14 09:58:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2020-10-14 09:58:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2020-10-14 09:58:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2020-10-14 09:58:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2020-10-14 09:58:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2020-10-14 09:58:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 09:58:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_top [2020-10-14 09:58:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_top [2020-10-14 09:58:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2020-10-14 09:58:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stack_empty [2020-10-14 09:58:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2020-10-14 09:58:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2020-10-14 09:58:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-14 09:58:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-14 09:58:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2020-10-14 09:58:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 09:58:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 09:58:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 09:58:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 09:58:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 09:58:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 09:58:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 09:58:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 09:58:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-10-14 09:58:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-10-14 09:58:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-10-14 09:58:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-10-14 09:58:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-10-14 09:58:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-10-14 09:58:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-10-14 09:58:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-10-14 09:58:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-10-14 09:58:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-10-14 09:58:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-10-14 09:58:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-10-14 09:58:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-10-14 09:58:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-10-14 09:58:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-10-14 09:58:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-10-14 09:58:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-10-14 09:58:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-10-14 09:58:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-10-14 09:58:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-10-14 09:58:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-10-14 09:58:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-10-14 09:58:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-10-14 09:58:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-10-14 09:58:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-10-14 09:58:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-10-14 09:58:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-10-14 09:58:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-10-14 09:58:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-14 09:58:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-10-14 09:58:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-10-14 09:58:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-10-14 09:58:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-10-14 09:58:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-10-14 09:58:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-10-14 09:58:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-10-14 09:58:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-10-14 09:58:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-10-14 09:58:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 09:58:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 09:58:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-10-14 09:58:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-10-14 09:58:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-10-14 09:58:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 09:58:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-10-14 09:58:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-10-14 09:58:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-10-14 09:58:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-10-14 09:58:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-10-14 09:58:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-14 09:58:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-10-14 09:58:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-10-14 09:58:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-10-14 09:58:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-10-14 09:58:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-10-14 09:58:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-10-14 09:58:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-10-14 09:58:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-10-14 09:58:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-10-14 09:58:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-10-14 09:58:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-10-14 09:58:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-10-14 09:58:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-10-14 09:58:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-10-14 09:58:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-10-14 09:58:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-10-14 09:58:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-10-14 09:58:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-10-14 09:58:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-10-14 09:58:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-10-14 09:58:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-10-14 09:58:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-10-14 09:58:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-14 09:58:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-10-14 09:58:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-10-14 09:58:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-10-14 09:58:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-10-14 09:58:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-10-14 09:58:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-10-14 09:58:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-10-14 09:58:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-10-14 09:58:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-10-14 09:58:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-10-14 09:58:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-10-14 09:58:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-10-14 09:58:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-10-14 09:58:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-10-14 09:58:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-10-14 09:58:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-10-14 09:58:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-10-14 09:58:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-10-14 09:58:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-10-14 09:58:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-10-14 09:58:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-10-14 09:58:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-10-14 09:58:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-10-14 09:58:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-10-14 09:58:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-10-14 09:58:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-10-14 09:58:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-10-14 09:58:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 09:58:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 09:58:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 09:58:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 09:58:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 09:58:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 09:58:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 09:58:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 09:58:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 09:58:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 09:58:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 09:58:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 09:58:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 09:58:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 09:58:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 09:58:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 09:58:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 09:58:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 09:58:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-14 09:58:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-14 09:58:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-14 09:58:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 09:58:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 09:58:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 09:58:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 09:58:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 09:58:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 09:58:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 09:58:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 09:58:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 09:58:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 09:58:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 09:58:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 09:58:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 09:58:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 09:58:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 09:58:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 09:58:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 09:58:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 09:58:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 09:58:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 09:58:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 09:58:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 09:58:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 09:58:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 09:58:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 09:58:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 09:58:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 09:58:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 09:58:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 09:58:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 09:58:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 09:58:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 09:58:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 09:58:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 09:58:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 09:58:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 09:58:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 09:58:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 09:58:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 09:58:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 09:58:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 09:58:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 09:58:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 09:58:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 09:58:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 09:58:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 09:58:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 09:58:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 09:58:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 09:58:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 09:58:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 09:58:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 09:58:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 09:58:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 09:58:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 09:58:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 09:58:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 09:58:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 09:58:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 09:58:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 09:58:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 09:58:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 09:58:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 09:58:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 09:58:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 09:58:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 09:58:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 09:58:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 09:58:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 09:58:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 09:58:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 09:58:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 09:58:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 09:58:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 09:58:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 09:58:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 09:58:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 09:58:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 09:58:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 09:58:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 09:58:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 09:58:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 09:58:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 09:58:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 09:58:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 09:58:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 09:58:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-14 09:58:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-14 09:58:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 09:58:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2020-10-14 09:58:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2020-10-14 09:58:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2020-10-14 09:58:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 09:58:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 09:58:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2020-10-14 09:58:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2020-10-14 09:58:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2020-10-14 09:58:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2020-10-14 09:58:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 09:58:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 09:58:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2020-10-14 09:58:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2020-10-14 09:58:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2020-10-14 09:58:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2020-10-14 09:58:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2020-10-14 09:58:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2020-10-14 09:58:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 09:58:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 09:58:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure inc_top [2020-10-14 09:58:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure dec_top [2020-10-14 09:58:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2020-10-14 09:58:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure stack_empty [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure push [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 09:58:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 09:58:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 09:58:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-14 09:58:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 09:58:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 09:58:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 09:58:40,842 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:40,842 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-10-14 09:58:40,843 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:40,843 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L994: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-10-14 09:58:40,843 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L994: assume !(0 != ~__CS_ret~0 % 256);#res := 0; [2020-10-14 09:58:40,843 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-10-14 09:58:40,843 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-2: SUMMARY for call __CS_cs(); srcloc: null [2020-10-14 09:58:40,843 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:40,844 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-10-14 09:58:41,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:41,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-10-14 09:58:41,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:41,049 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-10-14 09:58:41,070 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:41,070 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256;#res := 0; [2020-10-14 09:58:42,432 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:42,432 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256; [2020-10-14 09:58:42,433 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0 != ~__CS_ret~0 % 256; [2020-10-14 09:58:42,433 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L922: SUMMARY for call __CS_cs(); srcloc: null [2020-10-14 09:58:42,433 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L922-1: assume 0 != ~__CS_ret~0 % 256; [2020-10-14 09:58:42,433 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L922-1: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:42,433 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:42,433 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256); [2020-10-14 09:58:42,433 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256; [2020-10-14 09:58:42,476 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:269) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-14 09:58:42,482 INFO L168 Benchmark]: Toolchain (without parser) took 4290.86 ms. Allocated memory was 147.8 MB in the beginning and 244.3 MB in the end (delta: 96.5 MB). Free memory was 102.1 MB in the beginning and 163.6 MB in the end (delta: -61.5 MB). Peak memory consumption was 104.7 MB. Max. memory is 7.1 GB. [2020-10-14 09:58:42,484 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 09:58:42,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1262.31 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 129.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2020-10-14 09:58:42,487 INFO L168 Benchmark]: Boogie Preprocessor took 276.32 ms. Allocated memory is still 205.0 MB. Free memory was 129.3 MB in the beginning and 121.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2020-10-14 09:58:42,488 INFO L168 Benchmark]: RCFGBuilder took 2745.12 ms. Allocated memory was 205.0 MB in the beginning and 244.3 MB in the end (delta: 39.3 MB). Free memory was 121.6 MB in the beginning and 163.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2020-10-14 09:58:42,498 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1262.31 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 129.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 276.32 ms. Allocated memory is still 205.0 MB. Free memory was 129.3 MB in the beginning and 121.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2745.12 ms. Allocated memory was 205.0 MB in the beginning and 244.3 MB in the end (delta: 39.3 MB). Free memory was 121.6 MB in the beginning and 163.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:394) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...