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_double_unlock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:01:31,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:01:31,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:01:31,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:01:31,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:01:31,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:01:31,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:01:31,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:01:31,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:01:31,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:01:31,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:01:31,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:01:31,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:01:31,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:01:31,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:01:31,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:01:31,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:01:31,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:01:31,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:01:31,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:01:31,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:01:31,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:01:31,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:01:31,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:01:31,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:01:31,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:01:31,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:01:31,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:01:31,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:01:31,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:01:31,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:01:31,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:01:31,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:01:31,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:01:31,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:01:31,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:01:31,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:01:31,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:01:31,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:01:31,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:01:31,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:01:31,597 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 09:01:31,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:01:31,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:01:31,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:01:31,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:01:31,614 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:01:31,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:01:31,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:01:31,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:01:31,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:01:31,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:01:31,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:01:31,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:01:31,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:01:31,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:01:31,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:01:31,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:01:31,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:01:31,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:01:31,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:01:31,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:01:31,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:01:31,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:01:31,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:01:31,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:01:31,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:01:31,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:01:31,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:01:31,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:01:31,619 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 09:01:31,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:01:31,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:01:31,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:01:31,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:01:31,666 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:01:31,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2019-09-06 09:01:31,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124a53f6b/c4a289941d0747e18d18325f4e67f914/FLAGe14fbb9b6 [2019-09-06 09:01:32,282 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:01:32,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2019-09-06 09:01:32,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124a53f6b/c4a289941d0747e18d18325f4e67f914/FLAGe14fbb9b6 [2019-09-06 09:01:32,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/124a53f6b/c4a289941d0747e18d18325f4e67f914 [2019-09-06 09:01:32,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:01:32,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:01:32,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:01:32,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:01:32,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:01:32,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:01:32" (1/1) ... [2019-09-06 09:01:32,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e02a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:32, skipping insertion in model container [2019-09-06 09:01:32,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:01:32" (1/1) ... [2019-09-06 09:01:32,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:01:32,616 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:01:33,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:01:33,098 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:01:33,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:01:33,267 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:01:33,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33 WrapperNode [2019-09-06 09:01:33,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:01:33,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:01:33,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:01:33,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:01:33,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (1/1) ... [2019-09-06 09:01:33,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (1/1) ... [2019-09-06 09:01:33,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (1/1) ... [2019-09-06 09:01:33,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (1/1) ... [2019-09-06 09:01:33,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (1/1) ... [2019-09-06 09:01:33,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (1/1) ... [2019-09-06 09:01:33,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (1/1) ... [2019-09-06 09:01:33,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:01:33,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:01:33,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:01:33,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:01:33,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:01:33" (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 09:01:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:01:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:01:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-06 09:01:33,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-06 09:01:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-06 09:01:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2019-09-06 09:01:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-09-06 09:01:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-09-06 09:01:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-09-06 09:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-09-06 09:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-09-06 09:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-09-06 09:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2019-09-06 09:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2019-09-06 09:01:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-06 09:01:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2019-09-06 09:01:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2019-09-06 09:01:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2019-09-06 09:01:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-06 09:01:33,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-06 09:01:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-06 09:01:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-06 09:01:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-09-06 09:01:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:01:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-06 09:01:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-06 09:01:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:01:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:01:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:01:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:01:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:01:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:01:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:01:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:01:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:01:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:01:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:01:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:01:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:01:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:01:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:01:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:01:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:01:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:01:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:01:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:01:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:01:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:01:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:01:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:01:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:01:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:01:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:01:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:01:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:01:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:01:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:01:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:01:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:01:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:01:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:01:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:01:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:01:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:01:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:01:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:01:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:01:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:01:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:01:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:01:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:01:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:01:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:01:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:01:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:01:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:01:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:01:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:01:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:01:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:01:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:01:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:01:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:01:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:01:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:01:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:01:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:01:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:01:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:01:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:01:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:01:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:01:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:01:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:01:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:01:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:01:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:01:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:01:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:01:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:01:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:01:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:01:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:01:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:01:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:01:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:01:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:01:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:01:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:01:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:01:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:01:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:01:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:01:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:01:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:01:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:01:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:01:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:01:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:01:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:01:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:01:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:01:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:01:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:01:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:01:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:01:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:01:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:01:33,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:01:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-06 09:01:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-06 09:01:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:01:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2019-09-06 09:01:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-09-06 09:01:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:01:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-09-06 09:01:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-09-06 09:01:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-09-06 09:01:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:01:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-09-06 09:01:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-09-06 09:01:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2019-09-06 09:01:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2019-09-06 09:01:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-06 09:01:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2019-09-06 09:01:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2019-09-06 09:01:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2019-09-06 09:01:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:01:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-06 09:01:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-06 09:01:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-06 09:01:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-06 09:01:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-09-06 09:01:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:01:33,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:01:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 09:01:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-06 09:01:33,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:01:34,327 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:01:34,328 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-06 09:01:34,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:01:34 BoogieIcfgContainer [2019-09-06 09:01:34,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:01:34,330 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:01:34,331 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:01:34,331 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:01:34,333 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:01:34" (1/1) ... [2019-09-06 09:01:34,334 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 09:01:34,355 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-06 09:01:34,355 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:01:34,365 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:01:34,374 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:01:34,376 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:01:34,460 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 09:01:34,466 INFO L199 IcfgInterpreter]: Interpreting procedure foo with input of size 23 for LOIs [2019-09-06 09:01:35,143 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 14 for LOIs [2019-09-06 09:01:35,157 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 11 for LOIs [2019-09-06 09:01:35,170 INFO L199 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 14 for LOIs [2019-09-06 09:01:35,175 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:01:35,176 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:01:35,178 INFO L193 IcfgInterpreter]: Reachable states at location mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 233#(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 09:01:35,178 INFO L193 IcfgInterpreter]: Reachable states at location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 225#(and (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)) [2019-09-06 09:01:35,179 INFO L193 IcfgInterpreter]: Reachable states at location mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 210#(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 09:01:35,194 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:01:35,195 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:01:35,197 INFO L168 Benchmark]: Toolchain (without parser) took 2667.66 ms. Allocated memory was 133.2 MB in the beginning and 222.8 MB in the end (delta: 89.7 MB). Free memory was 88.0 MB in the beginning and 145.0 MB in the end (delta: -57.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:35,198 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-06 09:01:35,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.09 ms. Allocated memory was 133.2 MB in the beginning and 197.7 MB in the end (delta: 64.5 MB). Free memory was 87.7 MB in the beginning and 156.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:35,200 INFO L168 Benchmark]: Boogie Preprocessor took 72.16 ms. Allocated memory is still 197.7 MB. Free memory was 156.8 MB in the beginning and 153.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:35,201 INFO L168 Benchmark]: RCFGBuilder took 988.46 ms. Allocated memory is still 197.7 MB. Free memory was 153.0 MB in the beginning and 94.7 MB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:01:35,201 INFO L168 Benchmark]: Sifa took 864.43 ms. Allocated memory was 197.7 MB in the beginning and 222.8 MB in the end (delta: 25.2 MB). Free memory was 94.7 MB in the beginning and 145.0 MB in the end (delta: -50.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 09:01:35,210 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.09 ms. Allocated memory was 133.2 MB in the beginning and 197.7 MB in the end (delta: 64.5 MB). Free memory was 87.7 MB in the beginning and 156.8 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.16 ms. Allocated memory is still 197.7 MB. Free memory was 156.8 MB in the beginning and 153.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 988.46 ms. Allocated memory is still 197.7 MB. Free memory was 153.0 MB in the beginning and 94.7 MB in the end (delta: 58.3 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. * Sifa took 864.43 ms. Allocated memory was 197.7 MB in the beginning and 222.8 MB in the end (delta: 25.2 MB). Free memory was 94.7 MB in the beginning and 145.0 MB in the end (delta: -50.3 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]: 824, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 154, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME[ms]: 250, TOOLS_POST_CALL_APPLICATIONS: 31, TOOLS_POST_CALL_TIME[ms]: 137, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_TIME[ms]: 375, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 168, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 44, DOMAIN_JOIN_TIME[ms]: 101, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 24, DOMAIN_ISSUBSETEQ_TIME[ms]: 55, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 55, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 303, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 302, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 633, 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]: 31, DAG_COMPRESSION_PROCESSED_NODES: 265, DAG_COMPRESSION_RETAINED_NODES: 150 - 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 233#(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 225#(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 210#(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...