/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-21 16:55:12,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-21 16:55:12,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-21 16:55:12,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-21 16:55:12,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-21 16:55:12,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-21 16:55:12,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-21 16:55:12,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-21 16:55:12,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-21 16:55:12,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-21 16:55:12,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-21 16:55:12,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-21 16:55:12,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-21 16:55:12,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-21 16:55:12,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-21 16:55:12,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-21 16:55:12,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-21 16:55:12,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-21 16:55:12,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-21 16:55:12,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-21 16:55:12,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-21 16:55:12,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-21 16:55:12,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-21 16:55:12,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-21 16:55:12,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-21 16:55:12,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-21 16:55:12,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-21 16:55:12,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-21 16:55:12,434 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-Sleep-NoLbe-Delay.epf [2021-01-21 16:55:12,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-21 16:55:12,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-21 16:55:12,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-21 16:55:12,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-21 16:55:12,484 INFO L138 SettingsManager]: * Use SBE=true [2021-01-21 16:55:12,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-21 16:55:12,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-21 16:55:12,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-21 16:55:12,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-21 16:55:12,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-21 16:55:12,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-21 16:55:12,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-21 16:55:12,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-21 16:55:12,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-21 16:55:12,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-21 16:55:12,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-21 16:55:12,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-21 16:55:12,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-21 16:55:12,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-21 16:55:12,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-21 16:55:12,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-21 16:55:12,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-21 16:55:12,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-21 16:55:12,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-21 16:55:12,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-21 16:55:12,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-21 16:55:12,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-21 16:55:12,490 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-21 16:55:12,491 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-21 16:55:12,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-21 16:55:12,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-21 16:55:12,492 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-21 16:55:12,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-21 16:55:12,492 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-21 16:55:12,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-21 16:55:13,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-21 16:55:13,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-21 16:55:13,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-21 16:55:13,055 INFO L275 PluginConnector]: CDTParser initialized [2021-01-21 16:55:13,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2021-01-21 16:55:13,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ef6d3de/05fea5ecd01e461e8a32f20ae083d9fe/FLAG028c43a86 [2021-01-21 16:55:14,077 INFO L306 CDTParser]: Found 1 translation units. [2021-01-21 16:55:14,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_08-cond_racefree.i [2021-01-21 16:55:14,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ef6d3de/05fea5ecd01e461e8a32f20ae083d9fe/FLAG028c43a86 [2021-01-21 16:55:14,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97ef6d3de/05fea5ecd01e461e8a32f20ae083d9fe [2021-01-21 16:55:14,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-21 16:55:14,294 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-21 16:55:14,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-21 16:55:14,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-21 16:55:14,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-21 16:55:14,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:55:14" (1/1) ... [2021-01-21 16:55:14,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3153f0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:14, skipping insertion in model container [2021-01-21 16:55:14,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:55:14" (1/1) ... [2021-01-21 16:55:14,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-21 16:55:14,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-21 16:55:15,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:55:15,283 INFO L203 MainTranslator]: Completed pre-run [2021-01-21 16:55:15,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:55:15,718 INFO L208 MainTranslator]: Completed translation [2021-01-21 16:55:15,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15 WrapperNode [2021-01-21 16:55:15,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-21 16:55:15,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-21 16:55:15,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-21 16:55:15,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-21 16:55:15,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-21 16:55:15,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-21 16:55:15,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-21 16:55:15,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-21 16:55:15,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (1/1) ... [2021-01-21 16:55:15,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-21 16:55:15,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-21 16:55:15,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-21 16:55:15,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-21 16:55:15,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (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 [2021-01-21 16:55:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-21 16:55:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-21 16:55:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-21 16:55:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-21 16:55:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-21 16:55:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-21 16:55:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-21 16:55:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-21 16:55:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-21 16:55:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-21 16:55:16,098 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-21 16:55:16,942 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-21 16:55:16,943 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2021-01-21 16:55:16,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:55:16 BoogieIcfgContainer [2021-01-21 16:55:16,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-21 16:55:16,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-21 16:55:16,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-21 16:55:16,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-21 16:55:16,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 04:55:14" (1/3) ... [2021-01-21 16:55:16,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e17fcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:55:16, skipping insertion in model container [2021-01-21 16:55:16,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:55:15" (2/3) ... [2021-01-21 16:55:16,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e17fcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:55:16, skipping insertion in model container [2021-01-21 16:55:16,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:55:16" (3/3) ... [2021-01-21 16:55:16,959 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_08-cond_racefree.i [2021-01-21 16:55:16,979 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-21 16:55:16,980 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-21 16:55:16,986 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-21 16:55:16,987 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-21 16:55:17,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,036 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,037 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,044 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:55:17,059 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-21 16:55:17,077 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-21 16:55:17,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-21 16:55:17,110 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-21 16:55:17,111 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-21 16:55:17,111 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-21 16:55:17,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-21 16:55:17,111 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-21 16:55:17,111 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-21 16:55:17,112 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-21 16:55:17,192 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,203 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:17,246 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 20ms [2021-01-21 16:55:17,257 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:17,274 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,286 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:17,299 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,306 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,324 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,337 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:17,345 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,353 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,370 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 12ms [2021-01-21 16:55:17,384 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:17,394 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,401 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,411 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,421 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,431 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,440 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,452 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,460 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,471 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,477 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,494 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,503 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,528 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:17,542 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:17,555 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:17,560 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:17,574 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,583 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,592 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,598 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:17,608 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,617 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,632 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,643 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,649 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:17,653 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:17,662 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,669 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,675 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:55:17,680 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:17,692 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,703 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,720 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,728 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,743 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:17,756 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:17,767 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,779 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:17,796 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:17,807 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,820 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,829 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,840 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:17,844 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:55:17,856 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:55:17,866 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,877 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:17,888 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,896 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:17,905 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:55:17,911 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 770ms [2021-01-21 16:55:17,912 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1022 states, but on-demand construction may add more states [2021-01-21 16:55:17,922 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1022 states, 928 states have (on average 1.5086206896551724) internal successors, (1400), 1021 states have internal predecessors, (1400), 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) Size of Word is: 53 and size of Sequence is : 54[2021-01-21 16:55:17,940 INFO L131 SleepSetCegar]: Size of mCounterexample is: 54 [2021-01-21 16:55:17,941 INFO L132 SleepSetCegar]: [114#[ULTIMATE.startENTRY]don't care, 116#[L-1]don't care, 118#[L-1-1]don't care, 120#[L-1-2]don't care, 122#[L921]don't care, 124#[L921-1]don't care, 126#[L921-2]don't care, 128#[L921-3]don't care, 130#[L921-4]don't care, 132#[L940]don't care, 134#[L942]don't care, 136#[L944]don't care, 138#[L927]don't care, 140#[L927-1]don't care, 142#[L927-2]don't care, 144#[L927-3]don't care, 146#[L927-4]don't care, 148#[L927-5]don't care, 150#[L929]don't care, 152#[L929-1]don't care, 154#[L929-2]don't care, 156#[L929-3]don't care, 158#[L929-4]don't care, 160#[L929-5]don't care, 162#[L929-6]don't care, 164#[L930]don't care, 166#[L930-1]don't care, 168#[L930-2]don't care, 170#[L930-3]don't care, 172#[L930-4]don't care, 174#[L930-5]don't care, 176#[L930-6]don't care, 178#[L-1-3]don't care, 180#[L-1-4]don't care, 182#[L938]don't care, 184#[L938-1]don't care, 186#[L938-2]don't care, 188#[L939]don't care, 190#[L939-1]don't care, 192#[L939-10]don't care, 194#[L939-11]don't care, 198#[L941]don't care, 200#[L941-4]don't care, 206#[L943]don't care, 208#[L943-6]don't care, 212#[L943-2]don't care, 214#[L943-3]don't care, 216#[L943-4]don't care, 218#[L922]don't care, 220#[L922-1]don't care, 222#[L922-2]don't care, 226#[L921-5]don't care, 230#[L921-7]don't care, 234#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-21 16:55:17,941 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:55:17,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:55:17,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1659271831, now seen corresponding path program 1 times [2021-01-21 16:55:17,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:55:17,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618764871] [2021-01-21 16:55:17,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:55:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:55:18,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618764871] [2021-01-21 16:55:18,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-21 16:55:18,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-21 16:55:18,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354569760] [2021-01-21 16:55:18,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-21 16:55:18,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:55:18,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-21 16:55:18,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-21 16:55:18,357 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:55:18,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) Size of Word is: 53 and size of Sequence is : 54[2021-01-21 16:55:18,373 INFO L131 SleepSetCegar]: Size of mCounterexample is: 54 [2021-01-21 16:55:18,374 INFO L132 SleepSetCegar]: [2159#[ULTIMATE.startENTRY]true, 2160#[L-1]true, 2161#[L-1-1]true, 2162#[L-1-2]true, 2163#[L921]true, 2164#[L921-1]true, 2165#[L921-2]true, 2166#[L921-3]true, 2167#[L921-4]true, 2168#[L940]true, 2169#[L942]true, 2170#[L944]true, 2171#[L927]true, 2172#[L927-1]true, 2173#[L927-2]true, 2174#[L927-3]true, 2175#[L927-4]true, 2176#[L927-5]true, 2177#[L929]true, 2178#[L929-1]true, 2179#[L929-2]true, 2180#[L929-3]true, 2181#[L929-4]true, 2182#[L929-5]true, 2183#[L929-6]true, 2184#[L930]true, 2185#[L930-1]true, 2186#[L930-2]true, 2187#[L930-3]true, 2188#[L930-4]true, 2189#[L930-5]true, 2190#[L930-6]true, 2191#[L-1-3]true, 2192#[L-1-4]true, 2193#[L938]true, 2194#[L938-1]true, 2195#[L938-2]true, 2196#[L939]true, 2197#[L939-1]true, 2198#[L939-10]true, 2200#[L939-11]true, 2234#[L941]true, 2236#[L941-4]true, 2238#[L943]true, 2239#[L943-6]true, 2241#[L943-2]true, 2242#[L943-3]true, 2243#[L943-4]true, 2244#[L922]true, 2245#[L922-1]true, 2246#[L922-2]true, 2248#[L921-5]true, 2249#[L921-7]true, 2250#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-21 16:55:18,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-21 16:55:18,374 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:55:18,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:55:18,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1153713206, now seen corresponding path program 1 times [2021-01-21 16:55:18,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:55:18,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973418788] [2021-01-21 16:55:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:55:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:55:18,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973418788] [2021-01-21 16:55:18,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-21 16:55:18,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-21 16:55:18,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281097675] [2021-01-21 16:55:18,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-21 16:55:18,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:55:18,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-21 16:55:18,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-21 16:55:18,568 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:55:18,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-01-21 16:55:18,620 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:55:18,621 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:55:18,631 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:55:18,639 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms Size of Word is: 82 and size of Sequence is : 83[2021-01-21 16:55:18,656 INFO L131 SleepSetCegar]: Size of mCounterexample is: 83 [2021-01-21 16:55:18,657 INFO L132 SleepSetCegar]: [2255#[ULTIMATE.startENTRY]true, 2257#[L-1]true, 2259#[L-1-1]true, 2261#[L-1-2]true, 2263#[L921]true, 2265#[L921-1]true, 2267#[L921-2]true, 2269#[L921-3]true, 2271#[L921-4]true, 2273#[L940]true, 2275#[L942]true, 2277#[L944]true, 2279#[L927]true, 2281#[L927-1]true, 2283#[L927-2]true, 2285#[L927-3]true, 2287#[L927-4]true, 2289#[L927-5]true, 2291#[L929]true, 2293#[L929-1]true, 2295#[L929-2]true, 2297#[L929-3]true, 2299#[L929-4]true, 2301#[L929-5]true, 2303#[L929-6]true, 2305#[L930]true, 2307#[L930-1]true, 2309#[L930-2]true, 2311#[L930-3]true, 2313#[L930-4]true, 2315#[L930-5]true, 2317#[L930-6]true, 2319#[L-1-3]true, 2321#[L-1-4]true, 2323#[L938]true, 2325#[L938-1]true, 2327#[L938-2]true, 2329#[L939]true, 2331#[L939-1]true, 2333#[L939-10](= ULTIMATE.start_main_~i~1 0), 2339#[L939-4](= ULTIMATE.start_main_~i~1 0), 2479#[L939-5](= ULTIMATE.start_main_~i~1 0), 2482#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 2488#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 2494#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 2500#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 2507#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 2516#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 2522#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 2528#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 2536#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 2542#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 2548#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 2557#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 2562#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 2570#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 2578#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 2584#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 2590#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 2594#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 2600#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 2607#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 2617#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 2621#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 2629#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 2632#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 2635#[L939-8, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 2638#[L939-9, t_funEXIT]true, 2641#[L939-10, t_funEXIT]true, 2645#[t_funEXIT, L939-11]true, 2650#[L941, t_funEXIT]true, 2656#[L941-4, t_funEXIT]true, 2662#[L943, t_funEXIT]true, 2666#[L943-6, t_funEXIT]true, 2672#[L943-2, t_funEXIT]true, 2677#[L943-3, t_funEXIT]true, 2680#[L943-4, t_funEXIT]true, 2683#[L922, t_funEXIT]true, 2686#[L922-1, t_funEXIT]true, 2690#[L922-2, t_funEXIT]true, 2695#[L921-5, t_funEXIT]true, 2701#[L921-7, t_funEXIT]true, 2743#[t_funEXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-21 16:55:18,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-21 16:55:18,658 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:55:18,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:55:18,660 INFO L82 PathProgramCache]: Analyzing trace with hash -830774558, now seen corresponding path program 1 times [2021-01-21 16:55:18,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:55:18,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322567970] [2021-01-21 16:55:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:55:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:55:18,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322567970] [2021-01-21 16:55:18,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938718405] [2021-01-21 16:55:18,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-21 16:55:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:19,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-21 16:55:19,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-21 16:55:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-01-21 16:55:19,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-21 16:55:19,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-01-21 16:55:19,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501075164] [2021-01-21 16:55:19,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-21 16:55:19,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:55:19,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-21 16:55:19,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-21 16:55:19,096 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:55:19,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-01-21 16:55:19,151 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:55:19,152 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:55:19,160 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:55:19,166 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms Size of Word is: 84 and size of Sequence is : 85[2021-01-21 16:55:19,170 INFO L131 SleepSetCegar]: Size of mCounterexample is: 85 [2021-01-21 16:55:19,172 INFO L132 SleepSetCegar]: [2994#[ULTIMATE.startENTRY]true, 2996#[L-1]true, 2998#[L-1-1]true, 3000#[L-1-2]true, 3002#[L921]true, 3004#[L921-1]true, 3006#[L921-2]true, 3008#[L921-3]true, 3010#[L921-4]true, 3012#[L940]true, 3014#[L942]true, 3016#[L944]true, 3018#[L927]true, 3020#[L927-1]true, 3022#[L927-2]true, 3024#[L927-3]true, 3026#[L927-4]true, 3028#[L927-5]true, 3030#[L929]true, 3032#[L929-1]true, 3034#[L929-2]true, 3036#[L929-3]true, 3038#[L929-4]true, 3040#[L929-5]true, 3042#[L929-6]true, 3044#[L930]true, 3046#[L930-1]true, 3048#[L930-2]true, 3050#[L930-3]true, 3052#[L930-4]true, 3054#[L930-5]true, 3056#[L930-6]true, 3058#[L-1-3]true, 3060#[L-1-4]true, 3062#[L938]true, 3064#[L938-1]true, 3066#[L938-2]true, 3068#[L939]true, 3070#[L939-1]true, 3072#[L939-10](= ULTIMATE.start_main_~i~1 0), 3078#[L939-4](= ULTIMATE.start_main_~i~1 0), 3282#[L939-5](= ULTIMATE.start_main_~i~1 0), 3284#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 3288#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 3292#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 3296#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 3300#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 3306#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 3310#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 3314#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 3320#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 3324#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 3328#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 3334#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 3336#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 3342#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 3348#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 3352#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 3356#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 3358#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 3362#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 3366#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 3374#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 3376#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 3382#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 3384#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 3386#[L939-8, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 3388#[L939-9, t_funEXIT]true, 3390#[L939-10, t_funEXIT]true, 3392#[t_funEXIT, L939-11]true, 3396#[L941, t_funEXIT]true, 3398#[t_funEXIT, L941-1]true, 3402#[L941-2, t_funEXIT]true, 3404#[L941-4, t_funEXIT]true, 3406#[L943, t_funEXIT]true, 3408#[L943-6, t_funEXIT]true, 3412#[L943-2, t_funEXIT]true, 3416#[L943-3, t_funEXIT]true, 3418#[L943-4, t_funEXIT]true, 3420#[L922, t_funEXIT]true, 3422#[L922-1, t_funEXIT]true, 3424#[L922-2, t_funEXIT]true, 3428#[L921-5, t_funEXIT]true, 3432#[L921-7, t_funEXIT]true, 3460#[t_funEXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-21 16:55:19,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-21 16:55:19,382 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:55:19,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:55:19,383 INFO L82 PathProgramCache]: Analyzing trace with hash 2134201857, now seen corresponding path program 1 times [2021-01-21 16:55:19,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:55:19,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881227423] [2021-01-21 16:55:19,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:55:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:55:19,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881227423] [2021-01-21 16:55:19,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988002117] [2021-01-21 16:55:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-21 16:55:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:55:19,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-21 16:55:19,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-21 16:55:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-21 16:55:19,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-21 16:55:19,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-21 16:55:19,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414894658] [2021-01-21 16:55:19,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-21 16:55:19,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:55:19,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-21 16:55:19,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-21 16:55:19,743 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:55:19,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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) [2021-01-21 16:55:19,815 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:55:19,822 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms Size of Word is: 71 and size of Sequence is : 72[2021-01-21 16:55:19,836 INFO L131 SleepSetCegar]: Size of mCounterexample is: 72 [2021-01-21 16:55:19,837 INFO L132 SleepSetCegar]: [3718#[ULTIMATE.startENTRY]true, 3720#[L-1]true, 3722#[L-1-1]true, 3724#[L-1-2]true, 3726#[L921]true, 3728#[L921-1]true, 3730#[L921-2]true, 3732#[L921-3]true, 3734#[L921-4]true, 3736#[L940]true, 3738#[L942]true, 3740#[L944]true, 3742#[L927]true, 3744#[L927-1]true, 3746#[L927-2]true, 3748#[L927-3]true, 3750#[L927-4]true, 3752#[L927-5]true, 3754#[L929]true, 3756#[L929-1]true, 3758#[L929-2]true, 3760#[L929-3]true, 3762#[L929-4]true, 3764#[L929-5]true, 3766#[L929-6]true, 3768#[L930]true, 3770#[L930-1]true, 3772#[L930-2]true, 3774#[L930-3]true, 3776#[L930-4]true, 3778#[L930-5]true, 3780#[L930-6]true, 3782#[L-1-3]true, 3784#[L-1-4]true, 3786#[L938]true, 3788#[L938-1]true, 3790#[L938-2]true, 3792#[L939]true, 3794#[L939-1]true, 3796#[L939-10](= ULTIMATE.start_main_~i~1 0), 3802#[L939-4](= ULTIMATE.start_main_~i~1 0), 4006#[L939-5](= ULTIMATE.start_main_~i~1 0), 4008#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 4012#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 4016#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 4020#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 4024#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 4030#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 4034#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 4038#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 4044#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 4048#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 4052#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 4058#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 4060#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 4066#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 4072#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 4076#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 4080#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 4082#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 4086#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 4090#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 4098#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 4100#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 4106#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 4108#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 4112#[L939-8, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (= ULTIMATE.start_main_~i~1 0)), 4116#[L939-9, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (<= ULTIMATE.start_main_~i~1 1)), 4118#[L939-10, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 4122#[L939-4, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 4129#[L939-5, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 4136#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~1 1)] [2021-01-21 16:55:20,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-21 16:55:20,038 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:55:20,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:55:20,040 INFO L82 PathProgramCache]: Analyzing trace with hash 756952725, now seen corresponding path program 1 times [2021-01-21 16:55:20,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:55:20,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130021906] [2021-01-21 16:55:20,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:55:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:55:20,101 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:55:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:55:20,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:55:20,185 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-21 16:55:20,185 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-21 16:55:20,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-21 16:55:20,186 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-21 16:55:20,187 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-21 16:55:20,194 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@46457ba6 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-01-21 16:55:20,203 INFO L168 Benchmark]: Toolchain (without parser) took 5905.02 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 161.6 MB in the end (delta: 112.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 16.0 GB. [2021-01-21 16:55:20,203 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-21 16:55:20,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1423.98 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 250.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. [2021-01-21 16:55:20,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.75 ms. Allocated memory is still 302.0 MB. Free memory was 250.2 MB in the beginning and 248.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:55:20,206 INFO L168 Benchmark]: Boogie Preprocessor took 92.56 ms. Allocated memory is still 302.0 MB. Free memory was 248.1 MB in the beginning and 246.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:55:20,207 INFO L168 Benchmark]: RCFGBuilder took 994.54 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 215.6 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-01-21 16:55:20,208 INFO L168 Benchmark]: TraceAbstraction took 3249.10 ms. Allocated memory is still 302.0 MB. Free memory was 214.6 MB in the beginning and 161.6 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.0 GB. [2021-01-21 16:55:20,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.8 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1423.98 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 250.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 135.75 ms. Allocated memory is still 302.0 MB. Free memory was 250.2 MB in the beginning and 248.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 92.56 ms. Allocated memory is still 302.0 MB. Free memory was 248.1 MB in the beginning and 246.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 994.54 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 215.6 MB in the end (delta: 30.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3249.10 ms. Allocated memory is still 302.0 MB. Free memory was 214.6 MB in the beginning and 161.6 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@46457ba6 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@46457ba6: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...