/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 19:04:56,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 19:04:56,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 19:04:56,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 19:04:56,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 19:04:56,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 19:04:56,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 19:04:56,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 19:04:56,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 19:04:56,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 19:04:56,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 19:04:56,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 19:04:56,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 19:04:56,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 19:04:56,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 19:04:56,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 19:04:56,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 19:04:56,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 19:04:56,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 19:04:56,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 19:04:56,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 19:04:56,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 19:04:56,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 19:04:56,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 19:04:56,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 19:04:56,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 19:04:56,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 19:04:56,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 19:04:56,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 19:04:56,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 19:04:56,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 19:04:56,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 19:04:56,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 19:04:56,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 19:04:56,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 19:04:56,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 19:04:56,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 19:04:56,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 19:04:56,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 19:04:56,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 19:04:56,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 19:04:56,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 19:04:56,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 19:04:56,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 19:04:56,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 19:04:56,450 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 19:04:56,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 19:04:56,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 19:04:56,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 19:04:56,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 19:04:56,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 19:04:56,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 19:04:56,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 19:04:56,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 19:04:56,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 19:04:56,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 19:04:56,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 19:04:56,454 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 19:04:56,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 19:04:56,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 19:04:56,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:04:56,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 19:04:56,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 19:04:56,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 19:04:56,455 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 19:04:56,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 19:04:56,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 19:04:56,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 19:04:56,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 19:04:56,788 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 19:04:56,788 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-07-10 19:04:56,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18bfa6534/8374dbd2af184ebbb7219f4bbb3d711a/FLAG523a495e1 [2020-07-10 19:04:57,368 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 19:04:57,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_double_lock.i [2020-07-10 19:04:57,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18bfa6534/8374dbd2af184ebbb7219f4bbb3d711a/FLAG523a495e1 [2020-07-10 19:04:57,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18bfa6534/8374dbd2af184ebbb7219f4bbb3d711a [2020-07-10 19:04:57,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 19:04:57,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 19:04:57,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 19:04:57,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 19:04:57,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 19:04:57,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:04:57" (1/1) ... [2020-07-10 19:04:57,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716a8781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:57, skipping insertion in model container [2020-07-10 19:04:57,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:04:57" (1/1) ... [2020-07-10 19:04:57,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 19:04:57,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 19:04:58,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:04:58,327 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 19:04:58,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:04:58,525 INFO L208 MainTranslator]: Completed translation [2020-07-10 19:04:58,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58 WrapperNode [2020-07-10 19:04:58,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 19:04:58,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 19:04:58,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 19:04:58,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 19:04:58,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (1/1) ... [2020-07-10 19:04:58,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (1/1) ... [2020-07-10 19:04:58,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (1/1) ... [2020-07-10 19:04:58,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (1/1) ... [2020-07-10 19:04:58,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (1/1) ... [2020-07-10 19:04:58,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (1/1) ... [2020-07-10 19:04:58,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (1/1) ... [2020-07-10 19:04:58,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 19:04:58,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 19:04:58,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 19:04:58,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 19:04:58,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (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 [2020-07-10 19:04:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 19:04:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 19:04:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-10 19:04:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-10 19:04:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 19:04:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-10 19:04:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-07-10 19:04:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-07-10 19:04:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-07-10 19:04:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-07-10 19:04:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-07-10 19:04:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-07-10 19:04:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-07-10 19:04:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-07-10 19:04:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-07-10 19:04:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-07-10 19:04:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-07-10 19:04:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-07-10 19:04:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-07-10 19:04:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-10 19:04:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-07-10 19:04:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-07-10 19:04:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-10 19:04:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-07-10 19:04:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 19:04:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-10 19:04:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-10 19:04:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-10 19:04:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-10 19:04:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-10 19:04:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-10 19:04:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-10 19:04:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-10 19:04:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-10 19:04:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-10 19:04:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-10 19:04:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-10 19:04:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-10 19:04:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-10 19:04:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-10 19:04:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-10 19:04:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-10 19:04:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-10 19:04:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-10 19:04:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-10 19:04:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-10 19:04:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-10 19:04:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-10 19:04:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-10 19:04:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-10 19:04:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-10 19:04:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-10 19:04:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-10 19:04:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-10 19:04:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 19:04:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-10 19:04:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-10 19:04:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 19:04:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-10 19:04:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-10 19:04:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-10 19:04:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-10 19:04:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 19:04:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-10 19:04:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-10 19:04:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-10 19:04:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-10 19:04:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-10 19:04:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-10 19:04:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-10 19:04:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-10 19:04:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-10 19:04:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-10 19:04:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-10 19:04:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-10 19:04:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-10 19:04:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-10 19:04:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-10 19:04:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-10 19:04:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-10 19:04:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-10 19:04:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-10 19:04:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-10 19:04:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-10 19:04:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-10 19:04:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-10 19:04:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-10 19:04:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-10 19:04:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-10 19:04:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-10 19:04:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-10 19:04:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-10 19:04:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-10 19:04:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-10 19:04:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-10 19:04:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-10 19:04:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-10 19:04:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-10 19:04:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-10 19:04:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-10 19:04:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-10 19:04:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-10 19:04:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-10 19:04:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-10 19:04:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 19:04:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 19:04:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 19:04:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-10 19:04:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 19:04:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-07-10 19:04:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-07-10 19:04:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 19:04:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-07-10 19:04:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-07-10 19:04:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-07-10 19:04:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 19:04:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-07-10 19:04:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-07-10 19:04:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-07-10 19:04:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-07-10 19:04:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-07-10 19:04:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-07-10 19:04:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-07-10 19:04:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-07-10 19:04:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 19:04:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-10 19:04:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-07-10 19:04:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-07-10 19:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-10 19:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-07-10 19:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 19:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 19:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 19:04:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-10 19:04:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 19:04:59,669 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 19:04:59,669 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-10 19:04:59,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:04:59 BoogieIcfgContainer [2020-07-10 19:04:59,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 19:04:59,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 19:04:59,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 19:04:59,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 19:04:59,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:04:57" (1/3) ... [2020-07-10 19:04:59,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58296e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:04:59, skipping insertion in model container [2020-07-10 19:04:59,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:04:58" (2/3) ... [2020-07-10 19:04:59,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58296e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:04:59, skipping insertion in model container [2020-07-10 19:04:59,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:04:59" (3/3) ... [2020-07-10 19:04:59,682 INFO L109 eAbstractionObserver]: Analyzing ICFG test_mutex_double_lock.i [2020-07-10 19:04:59,692 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 19:04:59,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-10 19:04:59,715 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-10 19:04:59,736 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 19:04:59,737 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 19:04:59,737 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 19:04:59,737 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 19:04:59,737 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 19:04:59,737 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 19:04:59,738 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 19:04:59,738 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 19:04:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-07-10 19:04:59,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-10 19:04:59,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:04:59,771 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:04:59,772 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:04:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:04:59,777 INFO L82 PathProgramCache]: Analyzing trace with hash 899835465, now seen corresponding path program 1 times [2020-07-10 19:04:59,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:04:59,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469244724] [2020-07-10 19:04:59,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,153 INFO L280 TraceCheckUtils]: 0: Hoare triple {231#(and (= |~#mutexes~0.offset| |old(~#mutexes~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#mutexes~0.base| |old(~#mutexes~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {185#true} is VALID [2020-07-10 19:05:00,154 INFO L280 TraceCheckUtils]: 1: Hoare triple {185#true} #valid := #valid[0 := 0]; {185#true} is VALID [2020-07-10 19:05:00,154 INFO L280 TraceCheckUtils]: 2: Hoare triple {185#true} assume 0 < #StackHeapBarrier; {185#true} is VALID [2020-07-10 19:05:00,155 INFO L280 TraceCheckUtils]: 3: Hoare triple {185#true} SUMMARY for call ~#mutexes~0.base, ~#mutexes~0.offset := #Ultimate.allocOnStack(8); srcloc: L654 {185#true} is VALID [2020-07-10 19:05:00,156 INFO L280 TraceCheckUtils]: 4: Hoare triple {185#true} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4); srcloc: L654-1 {185#true} is VALID [2020-07-10 19:05:00,156 INFO L280 TraceCheckUtils]: 5: Hoare triple {185#true} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); srcloc: L654-2 {185#true} is VALID [2020-07-10 19:05:00,156 INFO L280 TraceCheckUtils]: 6: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,157 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {185#true} {185#true} #296#return; {185#true} is VALID [2020-07-10 19:05:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,164 INFO L280 TraceCheckUtils]: 0: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,164 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {185#true} {185#true} #270#return; {185#true} is VALID [2020-07-10 19:05:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,204 INFO L280 TraceCheckUtils]: 0: Hoare triple {185#true} ~cond := #in~cond; {185#true} is VALID [2020-07-10 19:05:00,204 INFO L280 TraceCheckUtils]: 1: Hoare triple {185#true} assume !(0 == ~cond); {185#true} is VALID [2020-07-10 19:05:00,205 INFO L280 TraceCheckUtils]: 2: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,205 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {185#true} {185#true} #290#return; {185#true} is VALID [2020-07-10 19:05:00,205 INFO L280 TraceCheckUtils]: 0: Hoare triple {232#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {185#true} is VALID [2020-07-10 19:05:00,206 INFO L280 TraceCheckUtils]: 1: Hoare triple {185#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {185#true} is VALID [2020-07-10 19:05:00,206 INFO L280 TraceCheckUtils]: 2: Hoare triple {185#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {185#true} is VALID [2020-07-10 19:05:00,206 INFO L263 TraceCheckUtils]: 3: Hoare triple {185#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {185#true} is VALID [2020-07-10 19:05:00,207 INFO L280 TraceCheckUtils]: 4: Hoare triple {185#true} ~cond := #in~cond; {185#true} is VALID [2020-07-10 19:05:00,207 INFO L280 TraceCheckUtils]: 5: Hoare triple {185#true} assume !(0 == ~cond); {185#true} is VALID [2020-07-10 19:05:00,208 INFO L280 TraceCheckUtils]: 6: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,208 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {185#true} {185#true} #290#return; {185#true} is VALID [2020-07-10 19:05:00,208 INFO L280 TraceCheckUtils]: 8: Hoare triple {185#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {185#true} is VALID [2020-07-10 19:05:00,209 INFO L280 TraceCheckUtils]: 9: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,209 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {185#true} {185#true} #272#return; {185#true} is VALID [2020-07-10 19:05:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,230 INFO L280 TraceCheckUtils]: 0: Hoare triple {185#true} ~cond := #in~cond; {185#true} is VALID [2020-07-10 19:05:00,230 INFO L280 TraceCheckUtils]: 1: Hoare triple {185#true} assume !(0 == ~cond); {185#true} is VALID [2020-07-10 19:05:00,231 INFO L280 TraceCheckUtils]: 2: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,231 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {185#true} {185#true} #290#return; {185#true} is VALID [2020-07-10 19:05:00,231 INFO L280 TraceCheckUtils]: 0: Hoare triple {232#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {185#true} is VALID [2020-07-10 19:05:00,232 INFO L280 TraceCheckUtils]: 1: Hoare triple {185#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {185#true} is VALID [2020-07-10 19:05:00,232 INFO L280 TraceCheckUtils]: 2: Hoare triple {185#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {185#true} is VALID [2020-07-10 19:05:00,232 INFO L263 TraceCheckUtils]: 3: Hoare triple {185#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {185#true} is VALID [2020-07-10 19:05:00,233 INFO L280 TraceCheckUtils]: 4: Hoare triple {185#true} ~cond := #in~cond; {185#true} is VALID [2020-07-10 19:05:00,233 INFO L280 TraceCheckUtils]: 5: Hoare triple {185#true} assume !(0 == ~cond); {185#true} is VALID [2020-07-10 19:05:00,233 INFO L280 TraceCheckUtils]: 6: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,234 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {185#true} {185#true} #290#return; {185#true} is VALID [2020-07-10 19:05:00,234 INFO L280 TraceCheckUtils]: 8: Hoare triple {185#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {185#true} is VALID [2020-07-10 19:05:00,234 INFO L280 TraceCheckUtils]: 9: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,235 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {185#true} {185#true} #274#return; {185#true} is VALID [2020-07-10 19:05:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:00,271 INFO L280 TraceCheckUtils]: 0: Hoare triple {185#true} ~e.base, ~e.offset := #in~e.base, #in~e.offset; {185#true} is VALID [2020-07-10 19:05:00,272 INFO L280 TraceCheckUtils]: 1: Hoare triple {185#true} ~s.base, ~s.offset := #in~s.base, #in~s.offset; {185#true} is VALID [2020-07-10 19:05:00,272 INFO L280 TraceCheckUtils]: 2: Hoare triple {185#true} havoc ~m~1.base, ~m~1.offset; {185#true} is VALID [2020-07-10 19:05:00,272 INFO L280 TraceCheckUtils]: 3: Hoare triple {185#true} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~s.base, ~s.offset, 4); srcloc: L644 {185#true} is VALID [2020-07-10 19:05:00,273 INFO L280 TraceCheckUtils]: 4: Hoare triple {185#true} ~__mptr~3.base, ~__mptr~3.offset := #t~mem22.base, #t~mem22.offset; {185#true} is VALID [2020-07-10 19:05:00,273 INFO L280 TraceCheckUtils]: 5: Hoare triple {185#true} havoc #t~mem22.base, #t~mem22.offset; {185#true} is VALID [2020-07-10 19:05:00,274 INFO L280 TraceCheckUtils]: 6: Hoare triple {185#true} ~m~1.base, ~m~1.offset := ~__mptr~3.base, ~__mptr~3.offset - 4; {185#true} is VALID [2020-07-10 19:05:00,274 INFO L280 TraceCheckUtils]: 7: Hoare triple {185#true} assume !(~m~1.base != ~s.base || 4 + ~m~1.offset != ~s.offset); {185#true} is VALID [2020-07-10 19:05:00,275 INFO L280 TraceCheckUtils]: 8: Hoare triple {185#true} #res := 0; {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} is VALID [2020-07-10 19:05:00,276 INFO L280 TraceCheckUtils]: 9: Hoare triple {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} assume true; {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} is VALID [2020-07-10 19:05:00,279 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} {185#true} #258#return; {230#(= |mutex_lock_#t~ret26| 0)} is VALID [2020-07-10 19:05:00,281 INFO L263 TraceCheckUtils]: 0: Hoare triple {185#true} call ULTIMATE.init(); {231#(and (= |~#mutexes~0.offset| |old(~#mutexes~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#mutexes~0.base| |old(~#mutexes~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 19:05:00,282 INFO L280 TraceCheckUtils]: 1: Hoare triple {231#(and (= |~#mutexes~0.offset| |old(~#mutexes~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#mutexes~0.base| |old(~#mutexes~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {185#true} is VALID [2020-07-10 19:05:00,282 INFO L280 TraceCheckUtils]: 2: Hoare triple {185#true} #valid := #valid[0 := 0]; {185#true} is VALID [2020-07-10 19:05:00,282 INFO L280 TraceCheckUtils]: 3: Hoare triple {185#true} assume 0 < #StackHeapBarrier; {185#true} is VALID [2020-07-10 19:05:00,283 INFO L280 TraceCheckUtils]: 4: Hoare triple {185#true} SUMMARY for call ~#mutexes~0.base, ~#mutexes~0.offset := #Ultimate.allocOnStack(8); srcloc: L654 {185#true} is VALID [2020-07-10 19:05:00,283 INFO L280 TraceCheckUtils]: 5: Hoare triple {185#true} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4); srcloc: L654-1 {185#true} is VALID [2020-07-10 19:05:00,283 INFO L280 TraceCheckUtils]: 6: Hoare triple {185#true} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); srcloc: L654-2 {185#true} is VALID [2020-07-10 19:05:00,284 INFO L280 TraceCheckUtils]: 7: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,284 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {185#true} {185#true} #296#return; {185#true} is VALID [2020-07-10 19:05:00,284 INFO L263 TraceCheckUtils]: 9: Hoare triple {185#true} call #t~ret31 := main(); {185#true} is VALID [2020-07-10 19:05:00,285 INFO L263 TraceCheckUtils]: 10: Hoare triple {185#true} call foo(); {185#true} is VALID [2020-07-10 19:05:00,285 INFO L263 TraceCheckUtils]: 11: Hoare triple {185#true} call ldv_initialize(); {185#true} is VALID [2020-07-10 19:05:00,285 INFO L280 TraceCheckUtils]: 12: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,286 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {185#true} {185#true} #270#return; {185#true} is VALID [2020-07-10 19:05:00,287 INFO L263 TraceCheckUtils]: 14: Hoare triple {185#true} call #t~ret29.base, #t~ret29.offset := ldv_successful_malloc(8); {232#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 19:05:00,287 INFO L280 TraceCheckUtils]: 15: Hoare triple {232#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {185#true} is VALID [2020-07-10 19:05:00,288 INFO L280 TraceCheckUtils]: 16: Hoare triple {185#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {185#true} is VALID [2020-07-10 19:05:00,288 INFO L280 TraceCheckUtils]: 17: Hoare triple {185#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {185#true} is VALID [2020-07-10 19:05:00,288 INFO L263 TraceCheckUtils]: 18: Hoare triple {185#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {185#true} is VALID [2020-07-10 19:05:00,289 INFO L280 TraceCheckUtils]: 19: Hoare triple {185#true} ~cond := #in~cond; {185#true} is VALID [2020-07-10 19:05:00,289 INFO L280 TraceCheckUtils]: 20: Hoare triple {185#true} assume !(0 == ~cond); {185#true} is VALID [2020-07-10 19:05:00,289 INFO L280 TraceCheckUtils]: 21: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,290 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {185#true} {185#true} #290#return; {185#true} is VALID [2020-07-10 19:05:00,290 INFO L280 TraceCheckUtils]: 23: Hoare triple {185#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {185#true} is VALID [2020-07-10 19:05:00,290 INFO L280 TraceCheckUtils]: 24: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,291 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {185#true} {185#true} #272#return; {185#true} is VALID [2020-07-10 19:05:00,291 INFO L280 TraceCheckUtils]: 26: Hoare triple {185#true} ~m1~0.base, ~m1~0.offset := #t~ret29.base, #t~ret29.offset; {185#true} is VALID [2020-07-10 19:05:00,291 INFO L280 TraceCheckUtils]: 27: Hoare triple {185#true} havoc #t~ret29.base, #t~ret29.offset; {185#true} is VALID [2020-07-10 19:05:00,293 INFO L263 TraceCheckUtils]: 28: Hoare triple {185#true} call #t~ret30.base, #t~ret30.offset := ldv_successful_malloc(8); {232#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 19:05:00,293 INFO L280 TraceCheckUtils]: 29: Hoare triple {232#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {185#true} is VALID [2020-07-10 19:05:00,293 INFO L280 TraceCheckUtils]: 30: Hoare triple {185#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {185#true} is VALID [2020-07-10 19:05:00,294 INFO L280 TraceCheckUtils]: 31: Hoare triple {185#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {185#true} is VALID [2020-07-10 19:05:00,294 INFO L263 TraceCheckUtils]: 32: Hoare triple {185#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {185#true} is VALID [2020-07-10 19:05:00,294 INFO L280 TraceCheckUtils]: 33: Hoare triple {185#true} ~cond := #in~cond; {185#true} is VALID [2020-07-10 19:05:00,295 INFO L280 TraceCheckUtils]: 34: Hoare triple {185#true} assume !(0 == ~cond); {185#true} is VALID [2020-07-10 19:05:00,295 INFO L280 TraceCheckUtils]: 35: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,295 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {185#true} {185#true} #290#return; {185#true} is VALID [2020-07-10 19:05:00,296 INFO L280 TraceCheckUtils]: 37: Hoare triple {185#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {185#true} is VALID [2020-07-10 19:05:00,296 INFO L280 TraceCheckUtils]: 38: Hoare triple {185#true} assume true; {185#true} is VALID [2020-07-10 19:05:00,296 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {185#true} {185#true} #274#return; {185#true} is VALID [2020-07-10 19:05:00,297 INFO L280 TraceCheckUtils]: 40: Hoare triple {185#true} ~m2~0.base, ~m2~0.offset := #t~ret30.base, #t~ret30.offset; {185#true} is VALID [2020-07-10 19:05:00,297 INFO L280 TraceCheckUtils]: 41: Hoare triple {185#true} havoc #t~ret30.base, #t~ret30.offset; {185#true} is VALID [2020-07-10 19:05:00,297 INFO L263 TraceCheckUtils]: 42: Hoare triple {185#true} call mutex_lock(~m1~0.base, ~m1~0.offset); {185#true} is VALID [2020-07-10 19:05:00,298 INFO L280 TraceCheckUtils]: 43: Hoare triple {185#true} ~m.base, ~m.offset := #in~m.base, #in~m.offset; {185#true} is VALID [2020-07-10 19:05:00,298 INFO L263 TraceCheckUtils]: 44: Hoare triple {185#true} call #t~ret26 := ldv_is_in_set(~m.base, ~m.offset, ~#mutexes~0.base, ~#mutexes~0.offset); {185#true} is VALID [2020-07-10 19:05:00,298 INFO L280 TraceCheckUtils]: 45: Hoare triple {185#true} ~e.base, ~e.offset := #in~e.base, #in~e.offset; {185#true} is VALID [2020-07-10 19:05:00,299 INFO L280 TraceCheckUtils]: 46: Hoare triple {185#true} ~s.base, ~s.offset := #in~s.base, #in~s.offset; {185#true} is VALID [2020-07-10 19:05:00,299 INFO L280 TraceCheckUtils]: 47: Hoare triple {185#true} havoc ~m~1.base, ~m~1.offset; {185#true} is VALID [2020-07-10 19:05:00,299 INFO L280 TraceCheckUtils]: 48: Hoare triple {185#true} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~s.base, ~s.offset, 4); srcloc: L644 {185#true} is VALID [2020-07-10 19:05:00,300 INFO L280 TraceCheckUtils]: 49: Hoare triple {185#true} ~__mptr~3.base, ~__mptr~3.offset := #t~mem22.base, #t~mem22.offset; {185#true} is VALID [2020-07-10 19:05:00,300 INFO L280 TraceCheckUtils]: 50: Hoare triple {185#true} havoc #t~mem22.base, #t~mem22.offset; {185#true} is VALID [2020-07-10 19:05:00,300 INFO L280 TraceCheckUtils]: 51: Hoare triple {185#true} ~m~1.base, ~m~1.offset := ~__mptr~3.base, ~__mptr~3.offset - 4; {185#true} is VALID [2020-07-10 19:05:00,301 INFO L280 TraceCheckUtils]: 52: Hoare triple {185#true} assume !(~m~1.base != ~s.base || 4 + ~m~1.offset != ~s.offset); {185#true} is VALID [2020-07-10 19:05:00,301 INFO L280 TraceCheckUtils]: 53: Hoare triple {185#true} #res := 0; {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} is VALID [2020-07-10 19:05:00,302 INFO L280 TraceCheckUtils]: 54: Hoare triple {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} assume true; {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} is VALID [2020-07-10 19:05:00,304 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {241#(and (<= |ldv_is_in_set_#res| 0) (<= 0 |ldv_is_in_set_#res|))} {185#true} #258#return; {230#(= |mutex_lock_#t~ret26| 0)} is VALID [2020-07-10 19:05:00,305 INFO L280 TraceCheckUtils]: 56: Hoare triple {230#(= |mutex_lock_#t~ret26| 0)} assume -2147483648 <= #t~ret26 && #t~ret26 <= 2147483647; {230#(= |mutex_lock_#t~ret26| 0)} is VALID [2020-07-10 19:05:00,306 INFO L280 TraceCheckUtils]: 57: Hoare triple {230#(= |mutex_lock_#t~ret26| 0)} assume 0 != #t~ret26; {186#false} is VALID [2020-07-10 19:05:00,306 INFO L280 TraceCheckUtils]: 58: Hoare triple {186#false} havoc #t~ret26; {186#false} is VALID [2020-07-10 19:05:00,307 INFO L280 TraceCheckUtils]: 59: Hoare triple {186#false} assume !false; {186#false} is VALID [2020-07-10 19:05:00,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-10 19:05:00,313 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:00,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469244724] [2020-07-10 19:05:00,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:00,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-10 19:05:00,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961988606] [2020-07-10 19:05:00,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-10 19:05:00,328 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:00,331 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-10 19:05:00,406 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:00,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-10 19:05:00,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:00,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-10 19:05:00,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-10 19:05:00,419 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2020-07-10 19:05:02,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:02,921 INFO L93 Difference]: Finished difference Result 367 states and 421 transitions. [2020-07-10 19:05:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 19:05:02,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-10 19:05:02,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 19:05:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 421 transitions. [2020-07-10 19:05:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-10 19:05:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 421 transitions. [2020-07-10 19:05:03,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 421 transitions. [2020-07-10 19:05:03,626 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 421 edges. 421 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:03,666 INFO L225 Difference]: With dead ends: 367 [2020-07-10 19:05:03,667 INFO L226 Difference]: Without dead ends: 192 [2020-07-10 19:05:03,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-10 19:05:03,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-10 19:05:04,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 172. [2020-07-10 19:05:04,112 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:04,113 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand 172 states. [2020-07-10 19:05:04,114 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand 172 states. [2020-07-10 19:05:04,114 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 172 states. [2020-07-10 19:05:04,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:04,134 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2020-07-10 19:05:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 209 transitions. [2020-07-10 19:05:04,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:04,138 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:04,139 INFO L74 IsIncluded]: Start isIncluded. First operand 172 states. Second operand 192 states. [2020-07-10 19:05:04,139 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 192 states. [2020-07-10 19:05:04,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:04,156 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2020-07-10 19:05:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 209 transitions. [2020-07-10 19:05:04,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:04,159 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:04,159 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:04,159 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-10 19:05:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 184 transitions. [2020-07-10 19:05:04,175 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 184 transitions. Word has length 60 [2020-07-10 19:05:04,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:04,177 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 184 transitions. [2020-07-10 19:05:04,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-10 19:05:04,177 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 172 states and 184 transitions. [2020-07-10 19:05:04,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 184 transitions. [2020-07-10 19:05:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-10 19:05:04,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:04,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:04,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 19:05:04,462 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:04,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:04,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1713006157, now seen corresponding path program 1 times [2020-07-10 19:05:04,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:04,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729297183] [2020-07-10 19:05:04,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,691 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#(and (= |~#mutexes~0.offset| |old(~#mutexes~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#mutexes~0.base| |old(~#mutexes~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {1710#true} is VALID [2020-07-10 19:05:04,692 INFO L280 TraceCheckUtils]: 1: Hoare triple {1710#true} #valid := #valid[0 := 0]; {1710#true} is VALID [2020-07-10 19:05:04,692 INFO L280 TraceCheckUtils]: 2: Hoare triple {1710#true} assume 0 < #StackHeapBarrier; {1710#true} is VALID [2020-07-10 19:05:04,694 INFO L280 TraceCheckUtils]: 3: Hoare triple {1710#true} SUMMARY for call ~#mutexes~0.base, ~#mutexes~0.offset := #Ultimate.allocOnStack(8); srcloc: L654 {1760#(= 0 |~#mutexes~0.offset|)} is VALID [2020-07-10 19:05:04,695 INFO L280 TraceCheckUtils]: 4: Hoare triple {1760#(= 0 |~#mutexes~0.offset|)} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4); srcloc: L654-1 {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,695 INFO L280 TraceCheckUtils]: 5: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); srcloc: L654-2 {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,696 INFO L280 TraceCheckUtils]: 6: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} assume true; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,697 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} {1710#true} #296#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,705 INFO L280 TraceCheckUtils]: 0: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,706 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1710#true} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #270#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,734 INFO L280 TraceCheckUtils]: 0: Hoare triple {1710#true} ~cond := #in~cond; {1710#true} is VALID [2020-07-10 19:05:04,734 INFO L280 TraceCheckUtils]: 1: Hoare triple {1710#true} assume !(0 == ~cond); {1710#true} is VALID [2020-07-10 19:05:04,734 INFO L280 TraceCheckUtils]: 2: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,735 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1710#true} {1710#true} #290#return; {1710#true} is VALID [2020-07-10 19:05:04,735 INFO L280 TraceCheckUtils]: 0: Hoare triple {1761#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {1710#true} is VALID [2020-07-10 19:05:04,735 INFO L280 TraceCheckUtils]: 1: Hoare triple {1710#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {1710#true} is VALID [2020-07-10 19:05:04,736 INFO L280 TraceCheckUtils]: 2: Hoare triple {1710#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {1710#true} is VALID [2020-07-10 19:05:04,736 INFO L263 TraceCheckUtils]: 3: Hoare triple {1710#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {1710#true} is VALID [2020-07-10 19:05:04,736 INFO L280 TraceCheckUtils]: 4: Hoare triple {1710#true} ~cond := #in~cond; {1710#true} is VALID [2020-07-10 19:05:04,736 INFO L280 TraceCheckUtils]: 5: Hoare triple {1710#true} assume !(0 == ~cond); {1710#true} is VALID [2020-07-10 19:05:04,737 INFO L280 TraceCheckUtils]: 6: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,737 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1710#true} {1710#true} #290#return; {1710#true} is VALID [2020-07-10 19:05:04,737 INFO L280 TraceCheckUtils]: 8: Hoare triple {1710#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {1710#true} is VALID [2020-07-10 19:05:04,737 INFO L280 TraceCheckUtils]: 9: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,739 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1710#true} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #272#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,758 INFO L280 TraceCheckUtils]: 0: Hoare triple {1710#true} ~cond := #in~cond; {1710#true} is VALID [2020-07-10 19:05:04,759 INFO L280 TraceCheckUtils]: 1: Hoare triple {1710#true} assume !(0 == ~cond); {1710#true} is VALID [2020-07-10 19:05:04,759 INFO L280 TraceCheckUtils]: 2: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,759 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1710#true} {1710#true} #290#return; {1710#true} is VALID [2020-07-10 19:05:04,759 INFO L280 TraceCheckUtils]: 0: Hoare triple {1761#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {1710#true} is VALID [2020-07-10 19:05:04,760 INFO L280 TraceCheckUtils]: 1: Hoare triple {1710#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {1710#true} is VALID [2020-07-10 19:05:04,760 INFO L280 TraceCheckUtils]: 2: Hoare triple {1710#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {1710#true} is VALID [2020-07-10 19:05:04,760 INFO L263 TraceCheckUtils]: 3: Hoare triple {1710#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {1710#true} is VALID [2020-07-10 19:05:04,760 INFO L280 TraceCheckUtils]: 4: Hoare triple {1710#true} ~cond := #in~cond; {1710#true} is VALID [2020-07-10 19:05:04,761 INFO L280 TraceCheckUtils]: 5: Hoare triple {1710#true} assume !(0 == ~cond); {1710#true} is VALID [2020-07-10 19:05:04,761 INFO L280 TraceCheckUtils]: 6: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,761 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1710#true} {1710#true} #290#return; {1710#true} is VALID [2020-07-10 19:05:04,762 INFO L280 TraceCheckUtils]: 8: Hoare triple {1710#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {1710#true} is VALID [2020-07-10 19:05:04,762 INFO L280 TraceCheckUtils]: 9: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,763 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {1710#true} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #274#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:05:04,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {1710#true} ~e.base, ~e.offset := #in~e.base, #in~e.offset; {1710#true} is VALID [2020-07-10 19:05:04,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {1710#true} ~s.base, ~s.offset := #in~s.base, #in~s.offset; {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} is VALID [2020-07-10 19:05:04,973 INFO L280 TraceCheckUtils]: 2: Hoare triple {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} havoc ~m~1.base, ~m~1.offset; {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} is VALID [2020-07-10 19:05:04,974 INFO L280 TraceCheckUtils]: 3: Hoare triple {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~s.base, ~s.offset, 4); srcloc: L644 {1771#(and (= |ldv_is_in_set_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#t~mem22.base| (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} is VALID [2020-07-10 19:05:04,975 INFO L280 TraceCheckUtils]: 4: Hoare triple {1771#(and (= |ldv_is_in_set_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#t~mem22.base| (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} ~__mptr~3.base, ~__mptr~3.offset := #t~mem22.base, #t~mem22.offset; {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} is VALID [2020-07-10 19:05:04,975 INFO L280 TraceCheckUtils]: 5: Hoare triple {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} havoc #t~mem22.base, #t~mem22.offset; {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} is VALID [2020-07-10 19:05:04,976 INFO L280 TraceCheckUtils]: 6: Hoare triple {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} ~m~1.base, ~m~1.offset := ~__mptr~3.base, ~__mptr~3.offset - 4; {1773#(and (or (and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= 0 (+ ldv_is_in_set_~m~1.offset 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~m~1.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} is VALID [2020-07-10 19:05:04,977 INFO L280 TraceCheckUtils]: 7: Hoare triple {1773#(and (or (and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= 0 (+ ldv_is_in_set_~m~1.offset 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~m~1.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} assume !!(~m~1.base != ~s.base || 4 + ~m~1.offset != ~s.offset); {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:04,978 INFO L280 TraceCheckUtils]: 8: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~m~1.base, ~m~1.offset, 4); srcloc: L645 {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:04,979 INFO L280 TraceCheckUtils]: 9: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} assume #t~mem24.base == ~e.base && #t~mem24.offset == ~e.offset; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:04,980 INFO L280 TraceCheckUtils]: 10: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} havoc #t~mem24.base, #t~mem24.offset; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:04,980 INFO L280 TraceCheckUtils]: 11: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} #res := 1; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:04,980 INFO L280 TraceCheckUtils]: 12: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} assume true; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:04,982 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #258#return; {1711#false} is VALID [2020-07-10 19:05:04,984 INFO L263 TraceCheckUtils]: 0: Hoare triple {1710#true} call ULTIMATE.init(); {1759#(and (= |~#mutexes~0.offset| |old(~#mutexes~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#mutexes~0.base| |old(~#mutexes~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 19:05:04,985 INFO L280 TraceCheckUtils]: 1: Hoare triple {1759#(and (= |~#mutexes~0.offset| |old(~#mutexes~0.offset)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#mutexes~0.base| |old(~#mutexes~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {1710#true} is VALID [2020-07-10 19:05:04,985 INFO L280 TraceCheckUtils]: 2: Hoare triple {1710#true} #valid := #valid[0 := 0]; {1710#true} is VALID [2020-07-10 19:05:04,985 INFO L280 TraceCheckUtils]: 3: Hoare triple {1710#true} assume 0 < #StackHeapBarrier; {1710#true} is VALID [2020-07-10 19:05:04,985 INFO L280 TraceCheckUtils]: 4: Hoare triple {1710#true} SUMMARY for call ~#mutexes~0.base, ~#mutexes~0.offset := #Ultimate.allocOnStack(8); srcloc: L654 {1760#(= 0 |~#mutexes~0.offset|)} is VALID [2020-07-10 19:05:04,986 INFO L280 TraceCheckUtils]: 5: Hoare triple {1760#(= 0 |~#mutexes~0.offset|)} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, ~#mutexes~0.offset, 4); srcloc: L654-1 {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,987 INFO L280 TraceCheckUtils]: 6: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} SUMMARY for call write~init~$Pointer$(~#mutexes~0.base, ~#mutexes~0.offset, ~#mutexes~0.base, 4 + ~#mutexes~0.offset, 4); srcloc: L654-2 {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,990 INFO L280 TraceCheckUtils]: 7: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} assume true; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,991 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} {1710#true} #296#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,992 INFO L263 TraceCheckUtils]: 9: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} call #t~ret31 := main(); {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,992 INFO L263 TraceCheckUtils]: 10: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} call foo(); {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,992 INFO L263 TraceCheckUtils]: 11: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} call ldv_initialize(); {1710#true} is VALID [2020-07-10 19:05:04,993 INFO L280 TraceCheckUtils]: 12: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,994 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {1710#true} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #270#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:04,995 INFO L263 TraceCheckUtils]: 14: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} call #t~ret29.base, #t~ret29.offset := ldv_successful_malloc(8); {1761#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 19:05:04,995 INFO L280 TraceCheckUtils]: 15: Hoare triple {1761#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {1710#true} is VALID [2020-07-10 19:05:04,996 INFO L280 TraceCheckUtils]: 16: Hoare triple {1710#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {1710#true} is VALID [2020-07-10 19:05:04,996 INFO L280 TraceCheckUtils]: 17: Hoare triple {1710#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {1710#true} is VALID [2020-07-10 19:05:04,996 INFO L263 TraceCheckUtils]: 18: Hoare triple {1710#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {1710#true} is VALID [2020-07-10 19:05:04,997 INFO L280 TraceCheckUtils]: 19: Hoare triple {1710#true} ~cond := #in~cond; {1710#true} is VALID [2020-07-10 19:05:04,997 INFO L280 TraceCheckUtils]: 20: Hoare triple {1710#true} assume !(0 == ~cond); {1710#true} is VALID [2020-07-10 19:05:04,997 INFO L280 TraceCheckUtils]: 21: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:04,998 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {1710#true} {1710#true} #290#return; {1710#true} is VALID [2020-07-10 19:05:04,998 INFO L280 TraceCheckUtils]: 23: Hoare triple {1710#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {1710#true} is VALID [2020-07-10 19:05:04,998 INFO L280 TraceCheckUtils]: 24: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:05,000 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {1710#true} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #272#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,000 INFO L280 TraceCheckUtils]: 26: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} ~m1~0.base, ~m1~0.offset := #t~ret29.base, #t~ret29.offset; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,004 INFO L280 TraceCheckUtils]: 27: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} havoc #t~ret29.base, #t~ret29.offset; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,005 INFO L263 TraceCheckUtils]: 28: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} call #t~ret30.base, #t~ret30.offset := ldv_successful_malloc(8); {1761#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 19:05:05,005 INFO L280 TraceCheckUtils]: 29: Hoare triple {1761#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))} ~size := #in~size; {1710#true} is VALID [2020-07-10 19:05:05,005 INFO L280 TraceCheckUtils]: 30: Hoare triple {1710#true} SUMMARY for call #t~malloc4.base, #t~malloc4.offset := #Ultimate.allocOnHeap(~size); srcloc: L565 {1710#true} is VALID [2020-07-10 19:05:05,005 INFO L280 TraceCheckUtils]: 31: Hoare triple {1710#true} ~ptr~0.base, ~ptr~0.offset := #t~malloc4.base, #t~malloc4.offset; {1710#true} is VALID [2020-07-10 19:05:05,006 INFO L263 TraceCheckUtils]: 32: Hoare triple {1710#true} call assume_abort_if_not((if ~ptr~0.base != 0 || ~ptr~0.offset != 0 then 1 else 0)); {1710#true} is VALID [2020-07-10 19:05:05,006 INFO L280 TraceCheckUtils]: 33: Hoare triple {1710#true} ~cond := #in~cond; {1710#true} is VALID [2020-07-10 19:05:05,006 INFO L280 TraceCheckUtils]: 34: Hoare triple {1710#true} assume !(0 == ~cond); {1710#true} is VALID [2020-07-10 19:05:05,006 INFO L280 TraceCheckUtils]: 35: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:05,006 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1710#true} {1710#true} #290#return; {1710#true} is VALID [2020-07-10 19:05:05,007 INFO L280 TraceCheckUtils]: 37: Hoare triple {1710#true} #res.base, #res.offset := ~ptr~0.base, ~ptr~0.offset; {1710#true} is VALID [2020-07-10 19:05:05,007 INFO L280 TraceCheckUtils]: 38: Hoare triple {1710#true} assume true; {1710#true} is VALID [2020-07-10 19:05:05,008 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1710#true} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #274#return; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,009 INFO L280 TraceCheckUtils]: 40: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} ~m2~0.base, ~m2~0.offset := #t~ret30.base, #t~ret30.offset; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,010 INFO L280 TraceCheckUtils]: 41: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} havoc #t~ret30.base, #t~ret30.offset; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,011 INFO L263 TraceCheckUtils]: 42: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} call mutex_lock(~m1~0.base, ~m1~0.offset); {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,012 INFO L280 TraceCheckUtils]: 43: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} ~m.base, ~m.offset := #in~m.base, #in~m.offset; {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} is VALID [2020-07-10 19:05:05,012 INFO L263 TraceCheckUtils]: 44: Hoare triple {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} call #t~ret26 := ldv_is_in_set(~m.base, ~m.offset, ~#mutexes~0.base, ~#mutexes~0.offset); {1710#true} is VALID [2020-07-10 19:05:05,012 INFO L280 TraceCheckUtils]: 45: Hoare triple {1710#true} ~e.base, ~e.offset := #in~e.base, #in~e.offset; {1710#true} is VALID [2020-07-10 19:05:05,013 INFO L280 TraceCheckUtils]: 46: Hoare triple {1710#true} ~s.base, ~s.offset := #in~s.base, #in~s.offset; {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} is VALID [2020-07-10 19:05:05,014 INFO L280 TraceCheckUtils]: 47: Hoare triple {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} havoc ~m~1.base, ~m~1.offset; {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} is VALID [2020-07-10 19:05:05,014 INFO L280 TraceCheckUtils]: 48: Hoare triple {1770#(and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} SUMMARY for call #t~mem22.base, #t~mem22.offset := read~$Pointer$(~s.base, ~s.offset, 4); srcloc: L644 {1771#(and (= |ldv_is_in_set_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#t~mem22.base| (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} is VALID [2020-07-10 19:05:05,015 INFO L280 TraceCheckUtils]: 49: Hoare triple {1771#(and (= |ldv_is_in_set_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#t~mem22.base| (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base))} ~__mptr~3.base, ~__mptr~3.offset := #t~mem22.base, #t~mem22.offset; {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} is VALID [2020-07-10 19:05:05,016 INFO L280 TraceCheckUtils]: 50: Hoare triple {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} havoc #t~mem22.base, #t~mem22.offset; {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} is VALID [2020-07-10 19:05:05,019 INFO L280 TraceCheckUtils]: 51: Hoare triple {1772#(and (or (= 0 ldv_is_in_set_~__mptr~3.offset) (= ldv_is_in_set_~__mptr~3.offset (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~__mptr~3.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} ~m~1.base, ~m~1.offset := ~__mptr~3.base, ~__mptr~3.offset - 4; {1773#(and (or (and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= 0 (+ ldv_is_in_set_~m~1.offset 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~m~1.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} is VALID [2020-07-10 19:05:05,020 INFO L280 TraceCheckUtils]: 52: Hoare triple {1773#(and (or (and (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset) (= 0 (+ ldv_is_in_set_~m~1.offset 4))) (and (not (= 0 (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset))) (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base) (= ldv_is_in_set_~m~1.base (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset)))} assume !!(~m~1.base != ~s.base || 4 + ~m~1.offset != ~s.offset); {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:05,021 INFO L280 TraceCheckUtils]: 53: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} SUMMARY for call #t~mem24.base, #t~mem24.offset := read~$Pointer$(~m~1.base, ~m~1.offset, 4); srcloc: L645 {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:05,021 INFO L280 TraceCheckUtils]: 54: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} assume #t~mem24.base == ~e.base && #t~mem24.offset == ~e.offset; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:05,022 INFO L280 TraceCheckUtils]: 55: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} havoc #t~mem24.base, #t~mem24.offset; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:05,022 INFO L280 TraceCheckUtils]: 56: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} #res := 1; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:05,022 INFO L280 TraceCheckUtils]: 57: Hoare triple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} assume true; {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} is VALID [2020-07-10 19:05:05,024 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {1774#(or (not (= 0 |ldv_is_in_set_#in~s.offset|)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (not (= |ldv_is_in_set_#in~s.base| (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))))} {1720#(and (= 0 (select (select |#memory_$Pointer$.offset| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= |~#mutexes~0.base| (select (select |#memory_$Pointer$.base| |~#mutexes~0.base|) |~#mutexes~0.offset|)) (= 0 |~#mutexes~0.offset|))} #258#return; {1711#false} is VALID [2020-07-10 19:05:05,024 INFO L280 TraceCheckUtils]: 59: Hoare triple {1711#false} assume -2147483648 <= #t~ret26 && #t~ret26 <= 2147483647; {1711#false} is VALID [2020-07-10 19:05:05,024 INFO L280 TraceCheckUtils]: 60: Hoare triple {1711#false} assume 0 != #t~ret26; {1711#false} is VALID [2020-07-10 19:05:05,024 INFO L280 TraceCheckUtils]: 61: Hoare triple {1711#false} havoc #t~ret26; {1711#false} is VALID [2020-07-10 19:05:05,024 INFO L280 TraceCheckUtils]: 62: Hoare triple {1711#false} assume !false; {1711#false} is VALID [2020-07-10 19:05:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-10 19:05:05,038 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:05:05,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729297183] [2020-07-10 19:05:05,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:05:05,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-10 19:05:05,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985759988] [2020-07-10 19:05:05,040 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-07-10 19:05:05,041 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:05:05,041 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-10 19:05:05,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:05,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-10 19:05:05,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:05:05,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-10 19:05:05,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-07-10 19:05:05,120 INFO L87 Difference]: Start difference. First operand 172 states and 184 transitions. Second operand 11 states. [2020-07-10 19:05:06,309 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-07-10 19:05:12,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:12,225 INFO L93 Difference]: Finished difference Result 494 states and 552 transitions. [2020-07-10 19:05:12,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-10 19:05:12,226 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-07-10 19:05:12,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:05:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:05:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 536 transitions. [2020-07-10 19:05:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-10 19:05:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 536 transitions. [2020-07-10 19:05:12,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 536 transitions. [2020-07-10 19:05:13,238 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 536 edges. 536 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:13,258 INFO L225 Difference]: With dead ends: 494 [2020-07-10 19:05:13,258 INFO L226 Difference]: Without dead ends: 343 [2020-07-10 19:05:13,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2020-07-10 19:05:13,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-10 19:05:14,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 277. [2020-07-10 19:05:14,349 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:05:14,349 INFO L82 GeneralOperation]: Start isEquivalent. First operand 343 states. Second operand 277 states. [2020-07-10 19:05:14,349 INFO L74 IsIncluded]: Start isIncluded. First operand 343 states. Second operand 277 states. [2020-07-10 19:05:14,350 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 277 states. [2020-07-10 19:05:14,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:14,370 INFO L93 Difference]: Finished difference Result 343 states and 382 transitions. [2020-07-10 19:05:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 382 transitions. [2020-07-10 19:05:14,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:14,373 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:14,373 INFO L74 IsIncluded]: Start isIncluded. First operand 277 states. Second operand 343 states. [2020-07-10 19:05:14,373 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 343 states. [2020-07-10 19:05:14,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:05:14,391 INFO L93 Difference]: Finished difference Result 343 states and 382 transitions. [2020-07-10 19:05:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 382 transitions. [2020-07-10 19:05:14,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:05:14,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:05:14,394 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:05:14,394 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:05:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-07-10 19:05:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 308 transitions. [2020-07-10 19:05:14,407 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 308 transitions. Word has length 63 [2020-07-10 19:05:14,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:05:14,407 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 308 transitions. [2020-07-10 19:05:14,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-10 19:05:14,407 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 277 states and 308 transitions. [2020-07-10 19:05:15,039 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 308 edges. 308 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:05:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 308 transitions. [2020-07-10 19:05:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-10 19:05:15,045 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:05:15,045 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:05:15,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 19:05:15,046 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:05:15,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:05:15,046 INFO L82 PathProgramCache]: Analyzing trace with hash 2101448545, now seen corresponding path program 1 times [2020-07-10 19:05:15,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:05:15,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592492813] [2020-07-10 19:05:15,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:05:15,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 19:05:15,105 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:277) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2020-07-10 19:05:15,111 INFO L168 Benchmark]: Toolchain (without parser) took 17401.69 ms. Allocated memory was 144.2 MB in the beginning and 434.6 MB in the end (delta: 290.5 MB). Free memory was 100.9 MB in the beginning and 303.6 MB in the end (delta: -202.6 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:15,112 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-10 19:05:15,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.02 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 160.3 MB in the end (delta: -59.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:15,114 INFO L168 Benchmark]: Boogie Preprocessor took 95.06 ms. Allocated memory is still 201.9 MB. Free memory was 160.3 MB in the beginning and 155.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:15,115 INFO L168 Benchmark]: RCFGBuilder took 1052.02 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 155.4 MB in the beginning and 172.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:15,116 INFO L168 Benchmark]: TraceAbstraction took 15433.87 ms. Allocated memory was 233.3 MB in the beginning and 434.6 MB in the end (delta: 201.3 MB). Free memory was 172.2 MB in the beginning and 303.6 MB in the end (delta: -131.4 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. [2020-07-10 19:05:15,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.02 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.7 MB in the beginning and 160.3 MB in the end (delta: -59.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.06 ms. Allocated memory is still 201.9 MB. Free memory was 160.3 MB in the beginning and 155.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1052.02 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 155.4 MB in the beginning and 172.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15433.87 ms. Allocated memory was 233.3 MB in the beginning and 434.6 MB in the end (delta: 201.3 MB). Free memory was 172.2 MB in the beginning and 303.6 MB in the end (delta: -131.4 MB). Peak memory consumption was 70.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.generateMetaTrace(AcceleratedInterpolation.java:442) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...