/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 19:37:22,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 19:37:22,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 19:37:22,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 19:37:22,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 19:37:22,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 19:37:22,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 19:37:22,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 19:37:22,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 19:37:22,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 19:37:22,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 19:37:22,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 19:37:22,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 19:37:22,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 19:37:22,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 19:37:22,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 19:37:22,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 19:37:22,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 19:37:22,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 19:37:22,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 19:37:22,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 19:37:22,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 19:37:22,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 19:37:22,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 19:37:22,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 19:37:22,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 19:37:22,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 19:37:22,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 19:37:22,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 19:37:22,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 19:37:22,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 19:37:22,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 19:37:22,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 19:37:22,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 19:37:22,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 19:37:22,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 19:37:22,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 19:37:22,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 19:37:22,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 19:37:22,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 19:37:22,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 19:37:22,421 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf [2021-07-09 19:37:22,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 19:37:22,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 19:37:22,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-09 19:37:22,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-09 19:37:22,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 19:37:22,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 19:37:22,456 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 19:37:22,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 19:37:22,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 19:37:22,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 19:37:22,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 19:37:22,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 19:37:22,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 19:37:22,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 19:37:22,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 19:37:22,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 19:37:22,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 19:37:22,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 19:37:22,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 19:37:22,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 19:37:22,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 19:37:22,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 19:37:22,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 19:37:22,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 19:37:22,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 19:37:22,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 19:37:22,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 19:37:22,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 19:37:22,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 19:37:22,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 19:37:22,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-09 19:37:22,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 19:37:22,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 19:37:22,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 19:37:22,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 19:37:22,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 19:37:22,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 19:37:22,716 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 19:37:22,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-07-09 19:37:22,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9cffd8b/3f4b4ea578ca4a9bb8e593f98bb34861/FLAGc6076a746 [2021-07-09 19:37:23,209 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 19:37:23,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-07-09 19:37:23,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9cffd8b/3f4b4ea578ca4a9bb8e593f98bb34861/FLAGc6076a746 [2021-07-09 19:37:23,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae9cffd8b/3f4b4ea578ca4a9bb8e593f98bb34861 [2021-07-09 19:37:23,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 19:37:23,587 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 19:37:23,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 19:37:23,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 19:37:23,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 19:37:23,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:23,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616e8037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23, skipping insertion in model container [2021-07-09 19:37:23,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:23,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 19:37:23,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 19:37:23,830 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-07-09 19:37:23,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 19:37:23,851 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 19:37:23,907 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-07-09 19:37:23,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 19:37:23,940 INFO L208 MainTranslator]: Completed translation [2021-07-09 19:37:23,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23 WrapperNode [2021-07-09 19:37:23,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 19:37:23,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 19:37:23,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 19:37:23,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 19:37:23,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:23,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:23,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 19:37:23,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 19:37:23,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 19:37:23,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 19:37:23,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:23,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:23,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:23,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:24,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:24,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:24,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (1/1) ... [2021-07-09 19:37:24,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 19:37:24,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 19:37:24,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 19:37:24,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 19:37:24,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (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 [2021-07-09 19:37:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 19:37:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 19:37:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-09 19:37:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 19:37:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-07-09 19:37:24,069 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-07-09 19:37:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 19:37:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 19:37:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 19:37:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 19:37:24,070 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 19:37:24,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 19:37:24,477 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-07-09 19:37:24,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:37:24 BoogieIcfgContainer [2021-07-09 19:37:24,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 19:37:24,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 19:37:24,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 19:37:24,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 19:37:24,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 07:37:23" (1/3) ... [2021-07-09 19:37:24,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3f316c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:37:24, skipping insertion in model container [2021-07-09 19:37:24,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 07:37:23" (2/3) ... [2021-07-09 19:37:24,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3f316c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 07:37:24, skipping insertion in model container [2021-07-09 19:37:24,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 07:37:24" (3/3) ... [2021-07-09 19:37:24,483 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2021-07-09 19:37:24,498 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 19:37:24,498 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 19:37:24,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-09 19:37:24,499 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 19:37:24,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,517 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,518 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,518 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,518 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,518 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,518 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,519 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,520 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,521 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,522 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,522 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,522 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,522 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,522 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,523 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,524 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,525 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,526 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,531 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 19:37:24,539 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-09 19:37:24,558 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-09 19:37:24,593 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 19:37:24,593 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 19:37:24,593 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 19:37:24,593 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 19:37:24,593 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 19:37:24,593 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 19:37:24,593 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 19:37:24,593 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 19:37:24,600 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 102 transitions, 212 flow [2021-07-09 19:37:24,627 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 513 states, 512 states have (on average 2.15234375) internal successors, (1102), 512 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:37:24,642 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:37:24,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:37:24,645 INFO L82 PathProgramCache]: Analyzing trace with hash -206557193, now seen corresponding path program 1 times [2021-07-09 19:37:24,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:37:24,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959103202] [2021-07-09 19:37:24,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:37:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:37:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:37:24,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:37:24,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959103202] [2021-07-09 19:37:24,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959103202] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:37:24,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:37:24,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-09 19:37:24,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732126203] [2021-07-09 19:37:24,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 19:37:24,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:37:24,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 19:37:24,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-07-09 19:37:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:37:24,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:37:24,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:37:24,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:37:25,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:37:25,130 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 19:37:25,131 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:37:25,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:37:25,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1486604063, now seen corresponding path program 1 times [2021-07-09 19:37:25,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:37:25,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897693419] [2021-07-09 19:37:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:37:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:37:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:37:25,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:37:25,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897693419] [2021-07-09 19:37:25,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897693419] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:37:25,227 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:37:25,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-09 19:37:25,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819284401] [2021-07-09 19:37:25,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-09 19:37:25,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:37:25,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-09 19:37:25,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-09 19:37:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:37:25,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:37:25,230 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:37:25,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:37:25,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:37:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:37:25,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:37:25,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 19:37:25,290 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 19:37:25,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 19:37:25,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1866449416, now seen corresponding path program 1 times [2021-07-09 19:37:25,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 19:37:25,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832361108] [2021-07-09 19:37:25,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 19:37:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 19:37:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 19:37:25,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 19:37:25,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832361108] [2021-07-09 19:37:25,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832361108] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 19:37:25,531 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 19:37:25,531 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-07-09 19:37:25,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750593144] [2021-07-09 19:37:25,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-09 19:37:25,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 19:37:25,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-09 19:37:25,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-07-09 19:37:25,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:37:25,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-09 19:37:25,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.352941176470588) internal successors, (74), 17 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 19:37:25,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:37:25,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:37:25,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-09 19:37:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 19:37:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-09 19:37:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-09 19:37:26,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 19:37:26,059 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 19:37:26,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 07:37:26 BasicIcfg [2021-07-09 19:37:26,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 19:37:26,061 INFO L168 Benchmark]: Toolchain (without parser) took 2474.70 ms. Allocated memory was 188.7 MB in the beginning and 226.5 MB in the end (delta: 37.7 MB). Free memory was 153.2 MB in the beginning and 176.2 MB in the end (delta: -23.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2021-07-09 19:37:26,062 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 188.7 MB. Free memory is still 171.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 19:37:26,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.97 ms. Allocated memory is still 188.7 MB. Free memory was 153.0 MB in the beginning and 164.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-09 19:37:26,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.81 ms. Allocated memory is still 188.7 MB. Free memory was 164.5 MB in the beginning and 162.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 19:37:26,063 INFO L168 Benchmark]: Boogie Preprocessor took 20.87 ms. Allocated memory is still 188.7 MB. Free memory was 162.4 MB in the beginning and 160.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-09 19:37:26,064 INFO L168 Benchmark]: RCFGBuilder took 466.00 ms. Allocated memory is still 188.7 MB. Free memory was 160.9 MB in the beginning and 134.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-07-09 19:37:26,065 INFO L168 Benchmark]: TraceAbstraction took 1581.60 ms. Allocated memory was 188.7 MB in the beginning and 226.5 MB in the end (delta: 37.7 MB). Free memory was 134.1 MB in the beginning and 176.2 MB in the end (delta: -42.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 19:37:26,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 188.7 MB. Free memory is still 171.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 351.97 ms. Allocated memory is still 188.7 MB. Free memory was 153.0 MB in the beginning and 164.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.81 ms. Allocated memory is still 188.7 MB. Free memory was 164.5 MB in the beginning and 162.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.87 ms. Allocated memory is still 188.7 MB. Free memory was 162.4 MB in the beginning and 160.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 466.00 ms. Allocated memory is still 188.7 MB. Free memory was 160.9 MB in the beginning and 134.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1581.60 ms. Allocated memory was 188.7 MB in the beginning and 226.5 MB in the end (delta: 37.7 MB). Free memory was 134.1 MB in the beginning and 176.2 MB in the end (delta: -42.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 684]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 123 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1490.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 33.8ms, PartialOrderReductionTime: 828.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=513occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.3ms SsaConstructionTime, 88.2ms SatisfiabilityAnalysisTime, 389.5ms InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...