/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_28-funptr_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-21 16:56:12,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-21 16:56:12,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-21 16:56:12,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-21 16:56:12,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-21 16:56:12,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-21 16:56:12,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-21 16:56:12,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-21 16:56:12,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-21 16:56:12,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-21 16:56:12,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-21 16:56:12,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-21 16:56:12,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-21 16:56:12,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-21 16:56:12,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-21 16:56:12,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-21 16:56:12,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-21 16:56:12,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-21 16:56:12,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-21 16:56:12,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-21 16:56:12,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-21 16:56:12,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-21 16:56:12,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-21 16:56:12,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-21 16:56:12,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-21 16:56:12,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-21 16:56:12,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-21 16:56:12,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-21 16:56:12,378 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 16:56:12,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-21 16:56:12,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-21 16:56:12,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-21 16:56:12,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-21 16:56:12,420 INFO L138 SettingsManager]: * Use SBE=true [2021-01-21 16:56:12,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-21 16:56:12,421 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-21 16:56:12,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-21 16:56:12,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-21 16:56:12,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-21 16:56:12,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-21 16:56:12,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-21 16:56:12,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-21 16:56:12,423 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-21 16:56:12,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-21 16:56:12,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-21 16:56:12,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-21 16:56:12,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-21 16:56:12,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-21 16:56:12,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-21 16:56:12,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-21 16:56:12,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-21 16:56:12,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-21 16:56:12,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-21 16:56:12,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-21 16:56:12,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-21 16:56:12,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-21 16:56:12,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-21 16:56:12,427 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-21 16:56:12,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-21 16:56:12,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-21 16:56:12,428 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-21 16:56:12,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-21 16:56:12,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-21 16:56:12,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-21 16:56:12,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-21 16:56:12,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-21 16:56:12,915 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-21 16:56:12,916 INFO L275 PluginConnector]: CDTParser initialized [2021-01-21 16:56:12,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2021-01-21 16:56:13,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e6b94a9/fbb9ff55da2e4eb7b28c65e71aa5e0e4/FLAGaac3ea080 [2021-01-21 16:56:13,851 INFO L306 CDTParser]: Found 1 translation units. [2021-01-21 16:56:13,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_28-funptr_racefree.i [2021-01-21 16:56:13,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e6b94a9/fbb9ff55da2e4eb7b28c65e71aa5e0e4/FLAGaac3ea080 [2021-01-21 16:56:14,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e6b94a9/fbb9ff55da2e4eb7b28c65e71aa5e0e4 [2021-01-21 16:56:14,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-21 16:56:14,086 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-21 16:56:14,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-21 16:56:14,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-21 16:56:14,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-21 16:56:14,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:14,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4314a05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14, skipping insertion in model container [2021-01-21 16:56:14,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:14,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-21 16:56:14,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-21 16:56:14,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:56:14,702 INFO L203 MainTranslator]: Completed pre-run [2021-01-21 16:56:14,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-21 16:56:14,990 INFO L208 MainTranslator]: Completed translation [2021-01-21 16:56:14,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14 WrapperNode [2021-01-21 16:56:14,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-21 16:56:14,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-21 16:56:14,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-21 16:56:14,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-21 16:56:15,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-21 16:56:15,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-21 16:56:15,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-21 16:56:15,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-21 16:56:15,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (1/1) ... [2021-01-21 16:56:15,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-21 16:56:15,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-21 16:56:15,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-21 16:56:15,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-21 16:56:15,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (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 16:56:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-21 16:56:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-21 16:56:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-21 16:56:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-21 16:56:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-21 16:56:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-21 16:56:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-21 16:56:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-21 16:56:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-21 16:56:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-21 16:56:15,307 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 16:56:15,925 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-21 16:56:15,926 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2021-01-21 16:56:15,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:56:15 BoogieIcfgContainer [2021-01-21 16:56:15,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-21 16:56:15,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-21 16:56:15,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-21 16:56:15,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-21 16:56:15,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 04:56:14" (1/3) ... [2021-01-21 16:56:15,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4709d9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:56:15, skipping insertion in model container [2021-01-21 16:56:15,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 04:56:14" (2/3) ... [2021-01-21 16:56:15,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4709d9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 04:56:15, skipping insertion in model container [2021-01-21 16:56:15,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 04:56:15" (3/3) ... [2021-01-21 16:56:15,937 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_28-funptr_racefree.i [2021-01-21 16:56:15,953 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-21 16:56:15,954 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-21 16:56:15,958 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-21 16:56:15,959 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-21 16:56:15,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,991 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,991 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,991 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,991 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,993 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,994 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,994 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,994 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,994 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,994 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,995 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,995 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,995 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,995 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,995 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,995 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,996 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,996 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,996 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,996 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,996 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,998 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,998 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,998 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,998 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,999 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,999 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:15,999 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,000 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,000 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,000 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,000 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,000 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,001 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,001 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,001 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,001 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,001 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,002 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,003 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,004 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,007 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,008 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,008 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_##fun~~TO~VOID_#in~#fp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,009 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_good_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,010 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,010 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~g~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-21 16:56:16,018 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-21 16:56:16,032 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-21 16:56:16,076 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-21 16:56:16,077 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-21 16:56:16,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-21 16:56:16,077 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-21 16:56:16,077 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-21 16:56:16,078 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-21 16:56:16,078 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-21 16:56:16,078 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-21 16:56:16,140 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 12ms [2021-01-21 16:56:16,153 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 10ms [2021-01-21 16:56:16,170 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,175 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,195 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:56:16,205 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,220 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,227 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,238 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:56:16,263 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 19ms [2021-01-21 16:56:16,274 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,279 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,295 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,311 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 14ms [2021-01-21 16:56:16,320 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,327 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,333 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,338 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,347 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,355 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:56:16,363 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,368 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,376 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,384 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,397 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,403 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,413 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,420 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,436 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,444 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,459 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,469 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,480 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,486 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,495 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,504 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,515 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,521 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,529 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,534 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,541 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,548 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,553 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,556 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:16,563 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,570 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,580 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,590 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:56:16,599 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,605 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,614 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:56:16,622 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,629 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,635 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,645 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,654 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,664 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,674 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,683 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,691 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,701 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,709 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,716 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,722 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,727 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,731 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:16,738 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,744 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,753 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,761 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,770 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,778 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,790 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,798 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,809 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,817 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,830 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,839 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,846 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,854 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,857 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,860 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 2ms [2021-01-21 16:56:16,869 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,877 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,887 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,895 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,901 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,907 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,919 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,925 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,930 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,934 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:16,942 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,950 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,959 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:16,967 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:16,974 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,980 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:16,988 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:17,001 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 9ms [2021-01-21 16:56:17,009 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:17,015 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:17,026 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:17,029 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 1ms [2021-01-21 16:56:17,034 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:17,040 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms [2021-01-21 16:56:17,048 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:17,056 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:17,063 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:17,071 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:17,079 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:17,086 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:17,094 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:17,101 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:17,110 WARN L465 BasicCegarLoop]: Sleep Set Reduction Time: 1000ms [2021-01-21 16:56:17,110 WARN L466 BasicCegarLoop]: Sleep set: input automaton currently 1239 states, but on-demand construction may add more states [2021-01-21 16:56:17,117 WARN L467 BasicCegarLoop]: Sleep set: output automaton has 1239 states, 1116 states have (on average 1.4802867383512546) internal successors, (1652), 1238 states have internal predecessors, (1652), 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: 47 and size of Sequence is : 48[2021-01-21 16:56:17,129 INFO L131 SleepSetCegar]: Size of mCounterexample is: 48 [2021-01-21 16:56:17,130 INFO L132 SleepSetCegar]: [111#[ULTIMATE.startENTRY]don't care, 113#[L-1]don't care, 115#[L-1-1]don't care, 117#[L921]don't care, 119#[L921-1]don't care, 121#[L921-2]don't care, 123#[L921-3]don't care, 125#[L921-4]don't care, 127#[L927]don't care, 129#[L927-1]don't care, 131#[L927-2]don't care, 133#[L927-3]don't care, 135#[L927-4]don't care, 137#[L927-5]don't care, 139#[L929]don't care, 141#[L929-1]don't care, 143#[L929-2]don't care, 145#[L929-3]don't care, 147#[L929-4]don't care, 149#[L929-5]don't care, 151#[L929-6]don't care, 153#[L939]don't care, 155#[L939-1]don't care, 157#[L939-2]don't care, 159#[L939-3]don't care, 161#[L939-4]don't care, 163#[L939-5]don't care, 165#[L939-6]don't care, 167#[L-1-2]don't care, 169#[L949]don't care, 171#[L949-1]don't care, 173#[L949-10]don't care, 177#[L949-11]don't care, 179#[L950]don't care, 181#[L951]don't care, 183#[L952]don't care, 185#[L953]don't care, 187#[L953-1]don't care, 189#[L954-5]don't care, 193#[L954-1]don't care, 195#[L954-2]don't care, 197#[L954-3]don't care, 199#[L922]don't care, 201#[L922-1]don't care, 205#[L922-2]don't care, 207#[L921-5]don't care, 211#[L921-7]don't care, 215#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-21 16:56:17,130 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:17,137 INFO L82 PathProgramCache]: Analyzing trace with hash 43779469, now seen corresponding path program 1 times [2021-01-21 16:56:17,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:17,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211395570] [2021-01-21 16:56:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:17,466 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 16:56:17,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211395570] [2021-01-21 16:56:17,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-21 16:56:17,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-21 16:56:17,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971334247] [2021-01-21 16:56:17,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-21 16:56:17,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:56:17,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-21 16:56:17,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-21 16:56:17,495 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:56:17,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 16:56:17,512 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 8ms [2021-01-21 16:56:17,519 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms Size of Word is: 47 and size of Sequence is : 48[2021-01-21 16:56:17,523 INFO L131 SleepSetCegar]: Size of mCounterexample is: 48 [2021-01-21 16:56:17,524 INFO L132 SleepSetCegar]: [2590#[ULTIMATE.startENTRY]true, 2591#[L-1]true, 2592#[L-1-1]true, 2593#[L921]true, 2594#[L921-1]true, 2595#[L921-2]true, 2596#[L921-3]true, 2597#[L921-4]true, 2598#[L927]true, 2599#[L927-1]true, 2600#[L927-2]true, 2601#[L927-3]true, 2602#[L927-4]true, 2603#[L927-5]true, 2604#[L929]true, 2605#[L929-1]true, 2606#[L929-2]true, 2607#[L929-3]true, 2608#[L929-4]true, 2609#[L929-5]true, 2610#[L929-6]true, 2611#[L939]true, 2612#[L939-1]true, 2613#[L939-2]true, 2614#[L939-3]true, 2615#[L939-4]true, 2616#[L939-5]true, 2617#[L939-6]true, 2618#[L-1-2]true, 2619#[L949]true, 2620#[L949-1]true, 2621#[L949-10]true, 2623#[L949-11]true, 2655#[L950]true, 2656#[L951]true, 2657#[L952]true, 2658#[L953]true, 2659#[L953-1]true, 2660#[L954-5]true, 2661#[L954-1]true, 2662#[L954-2]true, 2663#[L954-3]true, 2664#[L922]true, 2665#[L922-1]true, 2666#[L922-2]true, 2668#[L921-5]true, 2669#[L921-7]true, 2670#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-21 16:56:17,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-21 16:56:17,524 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:17,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:17,525 INFO L82 PathProgramCache]: Analyzing trace with hash -466754708, now seen corresponding path program 1 times [2021-01-21 16:56:17,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:17,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865608024] [2021-01-21 16:56:17,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:17,642 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 16:56:17,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865608024] [2021-01-21 16:56:17,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-21 16:56:17,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-21 16:56:17,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611402132] [2021-01-21 16:56:17,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-21 16:56:17,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:56:17,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-21 16:56:17,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-21 16:56:17,649 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:56:17,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 16:56:17,671 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:56:17,671 WARN L144 IndependenceRelation]: Script Release Time: 0ms [2021-01-21 16:56:17,678 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:17,685 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:17,711 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:56:17,712 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:56:17,719 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 7ms [2021-01-21 16:56:17,724 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms Size of Word is: 83 and size of Sequence is : 84[2021-01-21 16:56:17,735 INFO L131 SleepSetCegar]: Size of mCounterexample is: 84 [2021-01-21 16:56:17,736 INFO L132 SleepSetCegar]: [2675#[ULTIMATE.startENTRY]true, 2677#[L-1]true, 2679#[L-1-1]true, 2681#[L921]true, 2683#[L921-1]true, 2685#[L921-2]true, 2687#[L921-3]true, 2689#[L921-4]true, 2691#[L927]true, 2693#[L927-1]true, 2695#[L927-2]true, 2697#[L927-3]true, 2699#[L927-4]true, 2701#[L927-5]true, 2703#[L929]true, 2705#[L929-1]true, 2707#[L929-2]true, 2709#[L929-3]true, 2711#[L929-4]true, 2713#[L929-5]true, 2715#[L929-6]true, 2717#[L939]true, 2719#[L939-1]true, 2721#[L939-2]true, 2723#[L939-3]true, 2725#[L939-4]true, 2727#[L939-5]true, 2729#[L939-6]true, 2731#[L-1-2]true, 2733#[L949]true, 2735#[L949-1]true, 2737#[L949-10](= ULTIMATE.start_main_~i~0 0), 2743#[L949-4](= ULTIMATE.start_main_~i~0 0), 2874#[L949-5](= ULTIMATE.start_main_~i~0 0), 2877#[L949-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 2883#[t_funENTRY, L949-7](= ULTIMATE.start_main_~i~0 0), 2887#[L941, L949-7](= ULTIMATE.start_main_~i~0 0), 2893#[L942, L949-7](= ULTIMATE.start_main_~i~0 0), 2899#[L942-1, L949-7](= ULTIMATE.start_main_~i~0 0), 2905#[L943, L949-7](= ULTIMATE.start_main_~i~0 0), 2911#[L944, L949-7](= ULTIMATE.start_main_~i~0 0), 2917#[L945, L949-7](= ULTIMATE.start_main_~i~0 0), 2923#[L949-7, L-1](= ULTIMATE.start_main_~i~0 0), 2929#[L934, L949-7](= ULTIMATE.start_main_~i~0 0), 2935#[L934-1, L949-7](= ULTIMATE.start_main_~i~0 0), 2941#[L935-17, L949-7](= ULTIMATE.start_main_~i~0 0), 2948#[L935-7, L949-7](= ULTIMATE.start_main_~i~0 0), 2957#[L935-1, L949-7](= ULTIMATE.start_main_~i~0 0), 2965#[L935-2, L949-7](= ULTIMATE.start_main_~i~0 0), 2971#[L935-3, L949-7](= ULTIMATE.start_main_~i~0 0), 2977#[L935-4, L949-7](= ULTIMATE.start_main_~i~0 0), 2983#[L935-5, L949-7](= ULTIMATE.start_main_~i~0 0), 2989#[L935-6, L949-7](= ULTIMATE.start_main_~i~0 0), 2996#[L935-15, L949-7](= ULTIMATE.start_main_~i~0 0), 3005#[L949-7, L935-9](= ULTIMATE.start_main_~i~0 0), 3013#[L935-10, L949-7](= ULTIMATE.start_main_~i~0 0), 3019#[L935-11, L949-7](= ULTIMATE.start_main_~i~0 0), 3025#[L935-12, L949-7](= ULTIMATE.start_main_~i~0 0), 3033#[L935-13, L949-7](= ULTIMATE.start_main_~i~0 0), 3037#[L935-14, L949-7](= ULTIMATE.start_main_~i~0 0), 3043#[L935-16, L949-7](= ULTIMATE.start_main_~i~0 0), 3050#[L935-18, L949-7](= ULTIMATE.start_main_~i~0 0), 3058#[L933, L949-7](= ULTIMATE.start_main_~i~0 0), 3064#[t_funFINAL, L949-7](= ULTIMATE.start_main_~i~0 0), 3070#[t_funEXIT, L949-7](= ULTIMATE.start_main_~i~0 0), 3075#[L949-8, t_funEXIT](= ULTIMATE.start_main_~i~0 0), 3078#[t_funEXIT, L949-9]true, 3081#[t_funEXIT, L949-10]true, 3085#[t_funEXIT, L949-11]true, 3090#[t_funEXIT, L950]true, 3093#[t_funEXIT, L951]true, 3096#[L952, t_funEXIT]true, 3099#[t_funEXIT, L953]true, 3102#[t_funEXIT, L953-1]true, 3105#[t_funEXIT, L954-5]true, 3109#[t_funEXIT, L954-1]true, 3114#[t_funEXIT, L954-2]true, 3117#[t_funEXIT, L954-3]true, 3120#[t_funEXIT, L922]true, 3123#[L922-1, t_funEXIT]true, 3127#[L922-2, t_funEXIT]true, 3132#[t_funEXIT, L921-5]true, 3138#[t_funEXIT, L921-7]true, 3180#[t_funEXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-21 16:56:17,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-21 16:56:17,736 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:17,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:17,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1978961499, now seen corresponding path program 1 times [2021-01-21 16:56:17,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:17,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927747485] [2021-01-21 16:56:17,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:17,880 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 16:56:17,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927747485] [2021-01-21 16:56:17,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025981067] [2021-01-21 16:56:17,881 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 16:56:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-21 16:56:18,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-21 16:56:18,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-21 16:56:18,119 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 16:56:18,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-21 16:56:18,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-21 16:56:18,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145299649] [2021-01-21 16:56:18,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-21 16:56:18,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-21 16:56:18,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-21 16:56:18,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-21 16:56:18,123 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-21 16:56:18,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 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 16:56:18,142 WARN L141 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-21 16:56:18,143 WARN L144 IndependenceRelation]: Script Release Time: 1ms [2021-01-21 16:56:18,149 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 6ms [2021-01-21 16:56:18,156 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 5ms [2021-01-21 16:56:18,200 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 4ms [2021-01-21 16:56:18,204 INFO L163 IndependenceRelation]: Independence Inclusion Check Time: 3ms Size of Word is: 70 and size of Sequence is : 71[2021-01-21 16:56:18,215 INFO L131 SleepSetCegar]: Size of mCounterexample is: 71 [2021-01-21 16:56:18,216 INFO L132 SleepSetCegar]: [3435#[ULTIMATE.startENTRY]true, 3437#[L-1]true, 3439#[L-1-1]true, 3441#[L921]true, 3443#[L921-1]true, 3445#[L921-2]true, 3447#[L921-3]true, 3449#[L921-4]true, 3451#[L927]true, 3453#[L927-1]true, 3455#[L927-2]true, 3457#[L927-3]true, 3459#[L927-4]true, 3461#[L927-5]true, 3463#[L929]true, 3465#[L929-1]true, 3467#[L929-2]true, 3469#[L929-3]true, 3471#[L929-4]true, 3473#[L929-5]true, 3475#[L929-6]true, 3477#[L939]true, 3479#[L939-1]true, 3481#[L939-2]true, 3483#[L939-3]true, 3485#[L939-4]true, 3487#[L939-5]true, 3489#[L939-6]true, 3491#[L-1-2]true, 3493#[L949]true, 3495#[L949-1]true, 3497#[L949-10](= ULTIMATE.start_main_~i~0 0), 3503#[L949-4](= ULTIMATE.start_main_~i~0 0), 3621#[L949-5](= ULTIMATE.start_main_~i~0 0), 3623#[L949-6, t_funENTRY](= ULTIMATE.start_main_~i~0 0), 3627#[t_funENTRY, L949-7](= ULTIMATE.start_main_~i~0 0), 3629#[L941, L949-7](= ULTIMATE.start_main_~i~0 0), 3635#[L942, L949-7](= ULTIMATE.start_main_~i~0 0), 3639#[L942-1, L949-7](= ULTIMATE.start_main_~i~0 0), 3643#[L943, L949-7](= ULTIMATE.start_main_~i~0 0), 3647#[L944, L949-7](= ULTIMATE.start_main_~i~0 0), 3651#[L945, L949-7](= ULTIMATE.start_main_~i~0 0), 3655#[L949-7, L-1](= ULTIMATE.start_main_~i~0 0), 3659#[L934, L949-7](= ULTIMATE.start_main_~i~0 0), 3663#[L934-1, L949-7](= ULTIMATE.start_main_~i~0 0), 3667#[L935-17, L949-7](= ULTIMATE.start_main_~i~0 0), 3671#[L935-7, L949-7](= ULTIMATE.start_main_~i~0 0), 3677#[L935-1, L949-7](= ULTIMATE.start_main_~i~0 0), 3683#[L935-2, L949-7](= ULTIMATE.start_main_~i~0 0), 3687#[L935-3, L949-7](= ULTIMATE.start_main_~i~0 0), 3691#[L935-4, L949-7](= ULTIMATE.start_main_~i~0 0), 3695#[L935-5, L949-7](= ULTIMATE.start_main_~i~0 0), 3699#[L935-6, L949-7](= ULTIMATE.start_main_~i~0 0), 3703#[L935-15, L949-7](= ULTIMATE.start_main_~i~0 0), 3709#[L949-7, L935-9](= ULTIMATE.start_main_~i~0 0), 3715#[L935-10, L949-7](= ULTIMATE.start_main_~i~0 0), 3719#[L935-11, L949-7](= ULTIMATE.start_main_~i~0 0), 3723#[L935-12, L949-7](= ULTIMATE.start_main_~i~0 0), 3729#[L935-13, L949-7](= ULTIMATE.start_main_~i~0 0), 3731#[L935-14, L949-7](= ULTIMATE.start_main_~i~0 0), 3735#[L935-16, L949-7](= ULTIMATE.start_main_~i~0 0), 3739#[L935-18, L949-7](= ULTIMATE.start_main_~i~0 0), 3745#[L933, L949-7](= ULTIMATE.start_main_~i~0 0), 3749#[t_funFINAL, L949-7](= ULTIMATE.start_main_~i~0 0), 3753#[t_funEXIT, L949-7](= ULTIMATE.start_main_~i~0 0), 3757#[L949-8, t_funEXIT](and (= |ULTIMATE.start_main_#t~post43| 0) (= ULTIMATE.start_main_~i~0 0)), 3761#[t_funEXIT, L949-9](and (= |ULTIMATE.start_main_#t~post43| 0) (<= ULTIMATE.start_main_~i~0 1)), 3763#[t_funEXIT, L949-10](<= ULTIMATE.start_main_~i~0 1), 3767#[t_funEXIT, L949-4](<= ULTIMATE.start_main_~i~0 1), 3772#[t_funEXIT, L949-5](<= ULTIMATE.start_main_~i~0 1), 3777#[t_funEXIT, ULTIMATE.startErr0INUSE_VIOLATION](<= ULTIMATE.start_main_~i~0 1)] [2021-01-21 16:56:18,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-21 16:56:18,417 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-21 16:56:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-21 16:56:18,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1705601695, now seen corresponding path program 1 times [2021-01-21 16:56:18,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-21 16:56:18,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078566648] [2021-01-21 16:56:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-21 16:56:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:56:18,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:56:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-21 16:56:18,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-21 16:56:18,597 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-21 16:56:18,597 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-21 16:56:18,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-21 16:56:18,598 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-21 16:56:18,598 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-21 16:56:18,604 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@a42a6b1 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 16:56:18,609 INFO L168 Benchmark]: Toolchain (without parser) took 4521.74 ms. Allocated memory was 302.0 MB in the beginning and 381.7 MB in the end (delta: 79.7 MB). Free memory was 276.3 MB in the beginning and 264.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 91.5 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:18,609 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.0 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-21 16:56:18,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 904.98 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 257.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:18,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.59 ms. Allocated memory is still 302.0 MB. Free memory was 256.3 MB in the beginning and 254.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:18,612 INFO L168 Benchmark]: Boogie Preprocessor took 82.20 ms. Allocated memory is still 302.0 MB. Free memory was 254.2 MB in the beginning and 253.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-21 16:56:18,613 INFO L168 Benchmark]: RCFGBuilder took 723.90 ms. Allocated memory is still 302.0 MB. Free memory was 252.1 MB in the beginning and 223.8 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:18,614 INFO L168 Benchmark]: TraceAbstraction took 2677.04 ms. Allocated memory was 302.0 MB in the beginning and 381.7 MB in the end (delta: 79.7 MB). Free memory was 223.8 MB in the beginning and 264.7 MB in the end (delta: -40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.0 GB. [2021-01-21 16:56:18,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory was 272.1 MB in the beginning and 272.0 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 904.98 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 257.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 122.59 ms. Allocated memory is still 302.0 MB. Free memory was 256.3 MB in the beginning and 254.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 82.20 ms. Allocated memory is still 302.0 MB. Free memory was 254.2 MB in the beginning and 253.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 723.90 ms. Allocated memory is still 302.0 MB. Free memory was 252.1 MB in the beginning and 223.8 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2677.04 ms. Allocated memory was 302.0 MB in the beginning and 381.7 MB in the end (delta: 79.7 MB). Free memory was 223.8 MB in the beginning and 264.7 MB in the end (delta: -40.9 MB). Peak memory consumption was 40.9 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@a42a6b1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@a42a6b1: 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...