java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-21 23:58:58,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-21 23:58:58,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-21 23:58:58,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-21 23:58:58,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-21 23:58:58,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-21 23:58:58,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-21 23:58:58,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-21 23:58:58,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-21 23:58:58,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-21 23:58:58,365 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-21 23:58:58,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-21 23:58:58,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-21 23:58:58,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-21 23:58:58,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-21 23:58:58,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-21 23:58:58,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-21 23:58:58,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-21 23:58:58,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-21 23:58:58,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-21 23:58:58,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-21 23:58:58,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-21 23:58:58,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-21 23:58:58,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-21 23:58:58,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-21 23:58:58,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-21 23:58:58,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-21 23:58:58,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-21 23:58:58,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-21 23:58:58,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-21 23:58:58,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-21 23:58:58,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-21 23:58:58,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-21 23:58:58,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-21 23:58:58,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-21 23:58:58,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-21 23:58:58,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-21 23:58:58,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-21 23:58:58,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-21 23:58:58,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-21 23:58:58,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-21 23:58:58,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-21 23:58:58,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-21 23:58:58,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-21 23:58:58,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-21 23:58:58,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-21 23:58:58,411 INFO L138 SettingsManager]: * Use SBE=true [2019-08-21 23:58:58,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-21 23:58:58,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-21 23:58:58,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-21 23:58:58,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-21 23:58:58,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-21 23:58:58,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-21 23:58:58,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-21 23:58:58,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-21 23:58:58,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-21 23:58:58,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-21 23:58:58,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-21 23:58:58,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-21 23:58:58,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-21 23:58:58,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-21 23:58:58,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-21 23:58:58,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-21 23:58:58,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-21 23:58:58,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-21 23:58:58,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-21 23:58:58,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-21 23:58:58,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-21 23:58:58,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-21 23:58:58,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-21 23:58:58,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-21 23:58:58,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-21 23:58:58,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-21 23:58:58,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-21 23:58:58,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-21 23:58:58,482 INFO L275 PluginConnector]: CDTParser initialized [2019-08-21 23:58:58,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i [2019-08-21 23:58:58,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63aa927c/4615f6b99b584ef58281ec4107243083/FLAGcdfee8f19 [2019-08-21 23:58:59,073 INFO L306 CDTParser]: Found 1 translation units. [2019-08-21 23:58:59,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i [2019-08-21 23:58:59,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63aa927c/4615f6b99b584ef58281ec4107243083/FLAGcdfee8f19 [2019-08-21 23:58:59,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63aa927c/4615f6b99b584ef58281ec4107243083 [2019-08-21 23:58:59,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-21 23:58:59,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-21 23:58:59,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-21 23:58:59,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-21 23:58:59,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-21 23:58:59,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:58:59" (1/1) ... [2019-08-21 23:58:59,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4597636b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:58:59, skipping insertion in model container [2019-08-21 23:58:59,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:58:59" (1/1) ... [2019-08-21 23:58:59,376 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-21 23:58:59,445 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-21 23:58:59,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 23:58:59,907 INFO L188 MainTranslator]: Completed pre-run [2019-08-21 23:58:59,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-21 23:59:00,058 INFO L192 MainTranslator]: Completed translation [2019-08-21 23:59:00,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00 WrapperNode [2019-08-21 23:59:00,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-21 23:59:00,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-21 23:59:00,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-21 23:59:00,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-21 23:59:00,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-21 23:59:00,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-21 23:59:00,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-21 23:59:00,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-21 23:59:00,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:59:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-21 23:59:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-21 23:59:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-21 23:59:00,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-21 23:59:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-21 23:59:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-08-21 23:59:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2019-08-21 23:59:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-08-21 23:59:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-08-21 23:59:00,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-08-21 23:59:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-08-21 23:59:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-08-21 23:59:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-08-21 23:59:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2019-08-21 23:59:00,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2019-08-21 23:59:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-08-21 23:59:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2019-08-21 23:59:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2019-08-21 23:59:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2019-08-21 23:59:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-08-21 23:59:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-08-21 23:59:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-08-21 23:59:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-08-21 23:59:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-21 23:59:00,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-21 23:59:00,215 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-21 23:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-21 23:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-21 23:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-21 23:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-21 23:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-21 23:59:00,216 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-21 23:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-21 23:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-21 23:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-21 23:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-21 23:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-21 23:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-21 23:59:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-21 23:59:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-21 23:59:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-21 23:59:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-21 23:59:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-21 23:59:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-21 23:59:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-21 23:59:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-21 23:59:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-21 23:59:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-21 23:59:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-21 23:59:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-21 23:59:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-21 23:59:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-21 23:59:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-21 23:59:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-21 23:59:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-21 23:59:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-21 23:59:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-21 23:59:00,220 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-21 23:59:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-21 23:59:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-21 23:59:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-21 23:59:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-21 23:59:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-21 23:59:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-21 23:59:00,221 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-21 23:59:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-21 23:59:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-21 23:59:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-21 23:59:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-21 23:59:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-21 23:59:00,222 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-21 23:59:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-21 23:59:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-21 23:59:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-21 23:59:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-21 23:59:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-21 23:59:00,223 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-21 23:59:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-21 23:59:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-21 23:59:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-21 23:59:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-21 23:59:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-21 23:59:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-21 23:59:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-21 23:59:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-21 23:59:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-21 23:59:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-21 23:59:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-21 23:59:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-21 23:59:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-21 23:59:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-21 23:59:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-21 23:59:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-21 23:59:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-21 23:59:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-21 23:59:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-21 23:59:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-21 23:59:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-21 23:59:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-21 23:59:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-21 23:59:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-21 23:59:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-21 23:59:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-21 23:59:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-21 23:59:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-21 23:59:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-21 23:59:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-21 23:59:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-21 23:59:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-21 23:59:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-21 23:59:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-21 23:59:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-21 23:59:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-21 23:59:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-21 23:59:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-21 23:59:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-21 23:59:00,229 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-21 23:59:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-21 23:59:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-21 23:59:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-21 23:59:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-21 23:59:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-21 23:59:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-21 23:59:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-21 23:59:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-21 23:59:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-21 23:59:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-21 23:59:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-21 23:59:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-21 23:59:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-21 23:59:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-21 23:59:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-08-21 23:59:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-21 23:59:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2019-08-21 23:59:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-08-21 23:59:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-21 23:59:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-08-21 23:59:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-08-21 23:59:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-08-21 23:59:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-21 23:59:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-08-21 23:59:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-08-21 23:59:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2019-08-21 23:59:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2019-08-21 23:59:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-08-21 23:59:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2019-08-21 23:59:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2019-08-21 23:59:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2019-08-21 23:59:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-21 23:59:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-08-21 23:59:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-08-21 23:59:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-08-21 23:59:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-08-21 23:59:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-21 23:59:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-21 23:59:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-21 23:59:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-21 23:59:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-21 23:59:00,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-21 23:59:00,928 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-21 23:59:00,929 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-21 23:59:00,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:59:00 BoogieIcfgContainer [2019-08-21 23:59:00,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-21 23:59:00,932 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-21 23:59:00,932 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-21 23:59:00,932 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-21 23:59:00,933 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:59:00" (1/1) ... [2019-08-21 23:59:00,950 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-21 23:59:00,953 INFO L155 IcfgInterpreter]: Building call graph [2019-08-21 23:59:00,963 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-21 23:59:00,974 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-21 23:59:00,979 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-21 23:59:01,046 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_25|], 3=[|v_#valid_32|]} [2019-08-21 23:59:01,074 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-21 23:59:01,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,122 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:01,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-21 23:59:01,137 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-21 23:59:01,138 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,209 INFO L567 ElimStorePlain]: treesize reduction 4, result has 93.8 percent of original size [2019-08-21 23:59:01,210 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,210 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:72, output treesize:60 [2019-08-21 23:59:01,228 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-21 23:59:01,231 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 23 [2019-08-21 23:59:01,243 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_26|], 1=[|v_#valid_33|]} [2019-08-21 23:59:01,258 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-21 23:59:01,258 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,268 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2019-08-21 23:59:01,269 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,354 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.3 percent of original size [2019-08-21 23:59:01,362 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-21 23:59:01,362 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:01,387 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,388 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:95, output treesize:36 [2019-08-21 23:59:01,537 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-21 23:59:01,537 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,564 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:01,582 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-21 23:59:01,583 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:01,605 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,606 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2019-08-21 23:59:01,637 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-21 23:59:01,796 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2019-08-21 23:59:01,797 INFO L341 Elim1Store]: treesize reduction 139, result has 30.8 percent of original size [2019-08-21 23:59:01,797 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 69 [2019-08-21 23:59:01,799 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:01,945 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-08-21 23:59:01,946 INFO L567 ElimStorePlain]: treesize reduction 16, result has 90.2 percent of original size [2019-08-21 23:59:01,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-21 23:59:02,170 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2019-08-21 23:59:02,170 INFO L341 Elim1Store]: treesize reduction 100, result has 50.2 percent of original size [2019-08-21 23:59:02,171 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 108 [2019-08-21 23:59:02,174 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,351 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-08-21 23:59:02,352 INFO L567 ElimStorePlain]: treesize reduction 36, result has 79.8 percent of original size [2019-08-21 23:59:02,353 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,354 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:173, output treesize:142 [2019-08-21 23:59:02,384 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-21 23:59:02,385 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,401 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,405 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-21 23:59:02,406 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,414 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,415 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,415 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:13 [2019-08-21 23:59:02,428 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-21 23:59:02,429 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-21 23:59:02,450 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,462 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,463 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,463 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:19 [2019-08-21 23:59:02,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,511 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,552 INFO L341 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2019-08-21 23:59:02,553 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 17 [2019-08-21 23:59:02,554 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,571 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,595 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 47 [2019-08-21 23:59:02,597 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,646 INFO L567 ElimStorePlain]: treesize reduction 20, result has 73.3 percent of original size [2019-08-21 23:59:02,647 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,647 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:75, output treesize:55 [2019-08-21 23:59:02,658 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-21 23:59:02,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-21 23:59:02,660 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,669 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-21 23:59:02,675 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2019-08-21 23:59:02,676 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,681 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,682 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,682 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:7 [2019-08-21 23:59:02,695 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2019-08-21 23:59:02,696 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,701 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2019-08-21 23:59:02,701 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,716 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,720 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2019-08-21 23:59:02,721 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,724 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2019-08-21 23:59:02,725 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,730 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,730 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-21 23:59:02,731 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:41, output treesize:11 [2019-08-21 23:59:02,742 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2019-08-21 23:59:02,743 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,748 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2019-08-21 23:59:02,749 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,768 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,769 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-08-21 23:59:02,769 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:23 [2019-08-21 23:59:02,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,843 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-21 23:59:02,844 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,846 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,847 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,847 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-21 23:59:02,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,880 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-21 23:59:02,880 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-21 23:59:02,882 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-21 23:59:02,882 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-08-21 23:59:02,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-21 23:59:02,907 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 11 [2019-08-21 23:59:02,913 INFO L185 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 23 [2019-08-21 23:59:02,916 INFO L185 IcfgInterpreter]: Interpreting procedure mutex_lock with input of size 14 [2019-08-21 23:59:02,920 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-21 23:59:02,920 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-21 23:59:02,922 INFO L179 IcfgInterpreter]: Reachable states at location mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 179#(and (<= 0 mutex_unlock_~m.offset) (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= |mutex_unlock_#in~m.offset| 0) (<= 0 |#NULL.base|) (<= mutex_unlock_~m.offset 0) (<= 0 |mutex_unlock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)) [2019-08-21 23:59:02,923 INFO L179 IcfgInterpreter]: Reachable states at location mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 185#(and (<= 0 |~#mutexes~0.offset|) (<= 0 mutex_lock_~m.offset) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |mutex_lock_#in~m.offset| 0) (<= mutex_lock_~m.offset 0) (<= 0 |mutex_lock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)) [2019-08-21 23:59:02,923 INFO L179 IcfgInterpreter]: Reachable states at location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 173#(and (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)) [2019-08-21 23:59:02,934 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-21 23:59:02,935 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-21 23:59:02,936 INFO L168 Benchmark]: Toolchain (without parser) took 3577.21 ms. Allocated memory was 137.4 MB in the beginning and 273.2 MB in the end (delta: 135.8 MB). Free memory was 83.9 MB in the beginning and 176.1 MB in the end (delta: -92.2 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. [2019-08-21 23:59:02,937 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-21 23:59:02,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.29 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 83.7 MB in the beginning and 159.0 MB in the end (delta: -75.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-21 23:59:02,939 INFO L168 Benchmark]: Boogie Preprocessor took 89.59 ms. Allocated memory is still 198.7 MB. Free memory was 159.0 MB in the beginning and 155.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-21 23:59:02,940 INFO L168 Benchmark]: RCFGBuilder took 782.16 ms. Allocated memory is still 198.7 MB. Free memory was 155.1 MB in the beginning and 97.2 MB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. [2019-08-21 23:59:02,940 INFO L168 Benchmark]: Symbolic Interpretation took 2003.05 ms. Allocated memory was 198.7 MB in the beginning and 273.2 MB in the end (delta: 74.4 MB). Free memory was 97.2 MB in the beginning and 176.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2019-08-21 23:59:02,944 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 660]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 179#(and (<= 0 mutex_unlock_~m.offset) (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= |mutex_unlock_#in~m.offset| 0) (<= 0 |#NULL.base|) (<= mutex_unlock_~m.offset 0) (<= 0 |mutex_unlock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)). Possible FailurePath: - UnprovableResult [Line: 656]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 185#(and (<= 0 |~#mutexes~0.offset|) (<= 0 mutex_lock_~m.offset) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |mutex_lock_#in~m.offset| 0) (<= mutex_lock_~m.offset 0) (<= 0 |mutex_lock_#in~m.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)). Possible FailurePath: - UnprovableResult [Line: 664]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 173#(and (<= 0 |~#mutexes~0.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |~#mutexes~0.offset| 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.29 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 83.7 MB in the beginning and 159.0 MB in the end (delta: -75.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.59 ms. Allocated memory is still 198.7 MB. Free memory was 159.0 MB in the beginning and 155.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 782.16 ms. Allocated memory is still 198.7 MB. Free memory was 155.1 MB in the beginning and 97.2 MB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2003.05 ms. Allocated memory was 198.7 MB in the beginning and 273.2 MB in the end (delta: 74.4 MB). Free memory was 97.2 MB in the beginning and 176.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...