java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:01:34,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:01:34,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:01:34,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:01:34,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:01:34,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:01:34,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:01:34,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:01:34,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:01:34,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:01:34,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:01:34,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:01:34,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:01:34,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:01:34,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:01:34,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:01:34,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:01:34,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:01:34,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:01:34,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:01:34,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:01:34,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:01:34,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:01:34,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:01:34,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:01:34,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:01:34,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:01:34,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:01:34,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:01:34,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:01:34,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:01:34,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:01:34,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:01:34,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:01:34,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:01:34,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:01:34,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:01:34,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:01:34,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:01:34,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:01:34,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:01:34,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 09:01:34,399 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:01:34,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:01:34,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:01:34,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:01:34,401 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:01:34,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:01:34,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:01:34,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:01:34,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:01:34,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:01:34,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:01:34,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:01:34,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:01:34,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:01:34,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:01:34,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:01:34,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:01:34,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:01:34,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:01:34,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:01:34,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:01:34,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:01:34,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:01:34,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:01:34,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:01:34,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:01:34,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:01:34,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:01:34,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 09:01:34,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:01:34,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:01:34,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:01:34,461 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:01:34,461 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:01:34,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i [2019-09-06 09:01:34,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c602ec09/2a604412cdf14b558467558f5b994fc4/FLAGae9aa8e86 [2019-09-06 09:01:35,090 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:01:35,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i [2019-09-06 09:01:35,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c602ec09/2a604412cdf14b558467558f5b994fc4/FLAGae9aa8e86 [2019-09-06 09:01:35,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c602ec09/2a604412cdf14b558467558f5b994fc4 [2019-09-06 09:01:35,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:01:35,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:01:35,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:01:35,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:01:35,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:01:35,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:01:35" (1/1) ... [2019-09-06 09:01:35,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd7f237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:35, skipping insertion in model container [2019-09-06 09:01:35,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:01:35" (1/1) ... [2019-09-06 09:01:35,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:01:35,476 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:01:35,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:01:35,925 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:01:36,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:01:36,096 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:01:36,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36 WrapperNode [2019-09-06 09:01:36,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:01:36,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:01:36,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:01:36,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:01:36,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:01:36,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:01:36,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:01:36,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:01:36,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-06 09:01:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:01:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:01:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-06 09:01:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-06 09:01:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-06 09:01:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2019-09-06 09:01:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-09-06 09:01:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-09-06 09:01:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-09-06 09:01:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-09-06 09:01:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-09-06 09:01:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-09-06 09:01:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2019-09-06 09:01:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2019-09-06 09:01:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-06 09:01:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2019-09-06 09:01:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2019-09-06 09:01:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2019-09-06 09:01:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-06 09:01:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-06 09:01:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-06 09:01:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-06 09:01:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-09-06 09:01:36,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:01:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-06 09:01:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-06 09:01:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:01:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:01:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:01:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:01:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:01:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:01:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:01:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:01:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:01:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:01:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:01:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:01:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:01:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:01:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:01:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:01:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:01:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:01:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:01:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:01:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:01:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:01:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:01:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:01:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:01:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:01:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:01:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:01:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:01:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:01:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:01:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:01:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:01:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:01:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:01:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:01:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:01:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:01:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:01:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:01:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:01:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:01:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:01:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:01:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:01:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:01:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:01:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:01:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:01:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:01:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:01:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:01:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:01:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:01:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:01:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:01:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:01:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:01:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:01:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:01:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:01:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:01:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:01:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:01:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:01:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:01:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:01:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:01:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:01:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:01:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:01:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:01:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:01:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:01:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:01:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:01:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:01:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:01:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:01:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:01:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:01:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:01:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:01:36,245 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:01:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:01:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:01:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:01:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:01:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:01:36,246 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:01:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:01:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:01:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:01:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:01:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:01:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-06 09:01:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-06 09:01:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:01:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2019-09-06 09:01:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-09-06 09:01:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:01:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-09-06 09:01:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-09-06 09:01:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-09-06 09:01:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:01:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-09-06 09:01:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-09-06 09:01:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2019-09-06 09:01:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2019-09-06 09:01:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-06 09:01:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2019-09-06 09:01:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2019-09-06 09:01:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2019-09-06 09:01:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:01:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-06 09:01:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-06 09:01:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-06 09:01:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-06 09:01:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-09-06 09:01:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:01:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:01:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 09:01:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-06 09:01:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:01:36,920 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:01:36,920 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-06 09:01:36,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:01:36 BoogieIcfgContainer [2019-09-06 09:01:36,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:01:36,922 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:01:36,922 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:01:36,923 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:01:36,924 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:01:36" (1/1) ... [2019-09-06 09:01:36,924 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 09:01:36,947 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-06 09:01:36,948 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:01:36,956 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:01:36,965 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:01:36,966 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:01:37,034 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 09:01:37,038 INFO L199 IcfgInterpreter]: Interpreting procedure foo with input of size 23 for LOIs [2019-09-06 09:01:37,678 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 14 for LOIs [2019-09-06 09:01:37,684 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 11 for LOIs [2019-09-06 09:01:37,697 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 23 for LOIs [2019-09-06 09:01:37,703 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:01:37,703 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:01:37,705 INFO L193 IcfgInterpreter]: Reachable states at location mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 228#(and (<= 0 mutex_unlock_~m.offset) (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= |mutex_unlock_#in~m.offset| 0) (<= 0 |#NULL.base|) (<= mutex_unlock_~m.offset 0) (<= 0 |mutex_unlock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)) [2019-09-06 09:01:37,706 INFO L193 IcfgInterpreter]: Reachable states at location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 220#(and (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)) [2019-09-06 09:01:37,706 INFO L193 IcfgInterpreter]: Reachable states at location mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 205#(and (<= 0 |~#mutexes~0.offset|) (<= 0 mutex_lock_~m.offset) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |mutex_lock_#in~m.offset| 0) (<= mutex_lock_~m.offset 0) (<= 0 |mutex_lock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)) [2019-09-06 09:01:37,722 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:01:37,722 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:01:37,724 INFO L168 Benchmark]: Toolchain (without parser) took 2323.84 ms. Allocated memory was 132.6 MB in the beginning and 222.8 MB in the end (delta: 90.2 MB). Free memory was 86.9 MB in the beginning and 146.9 MB in the end (delta: -60.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:37,725 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:01:37,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.88 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 157.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:37,727 INFO L168 Benchmark]: Boogie Preprocessor took 70.74 ms. Allocated memory is still 199.2 MB. Free memory was 157.8 MB in the beginning and 154.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:37,728 INFO L168 Benchmark]: RCFGBuilder took 753.61 ms. Allocated memory is still 199.2 MB. Free memory was 154.1 MB in the beginning and 96.4 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:37,729 INFO L168 Benchmark]: Sifa took 800.10 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 96.4 MB in the beginning and 146.9 MB in the end (delta: -50.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 09:01:37,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.88 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 157.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.74 ms. Allocated memory is still 199.2 MB. Free memory was 157.8 MB in the beginning and 154.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 753.61 ms. Allocated memory is still 199.2 MB. Free memory was 154.1 MB in the beginning and 96.4 MB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 7.1 GB. * Sifa took 800.10 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 96.4 MB in the beginning and 146.9 MB in the end (delta: -50.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 759, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 152, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME[ms]: 205, TOOLS_POST_CALL_APPLICATIONS: 29, TOOLS_POST_CALL_TIME[ms]: 127, TOOLS_POST_RETURN_APPLICATIONS: 23, TOOLS_POST_RETURN_TIME[ms]: 80, TOOLS_QUANTIFIERELIM_TIME[ms]: 346, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 166, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 43, DOMAIN_JOIN_TIME[ms]: 121, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 54, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 325, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 324, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 23, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 616, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 253, DAG_COMPRESSION_RETAINED_NODES: 148 - UnprovableResult [Line: 660]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 228#(and (<= 0 mutex_unlock_~m.offset) (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= |mutex_unlock_#in~m.offset| 0) (<= 0 |#NULL.base|) (<= mutex_unlock_~m.offset 0) (<= 0 |mutex_unlock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)). Possible FailurePath: - UnprovableResult [Line: 664]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 220#(and (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)). Possible FailurePath: - UnprovableResult [Line: 656]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 205#(and (<= 0 |~#mutexes~0.offset|) (<= 0 mutex_lock_~m.offset) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |mutex_lock_#in~m.offset| 0) (<= mutex_lock_~m.offset 0) (<= 0 |mutex_lock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...