/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-New_States.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-27 03:11:07,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-27 03:11:07,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-27 03:11:07,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-27 03:11:07,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-27 03:11:07,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-27 03:11:07,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-27 03:11:07,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-27 03:11:07,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-27 03:11:07,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-27 03:11:07,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-27 03:11:07,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-27 03:11:07,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-27 03:11:07,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-27 03:11:07,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-27 03:11:07,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-27 03:11:07,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-27 03:11:07,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-27 03:11:07,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-27 03:11:07,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-27 03:11:07,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-27 03:11:07,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-27 03:11:07,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-27 03:11:07,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-27 03:11:07,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-27 03:11:07,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-27 03:11:07,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-27 03:11:07,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-27 03:11:07,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-27 03:11:07,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-27 03:11:07,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-27 03:11:07,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-27 03:11:07,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-27 03:11:07,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-27 03:11:08,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-27 03:11:08,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-27 03:11:08,002 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-New_States.epf [2021-01-27 03:11:08,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-27 03:11:08,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-27 03:11:08,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-27 03:11:08,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-27 03:11:08,035 INFO L138 SettingsManager]: * Use SBE=true [2021-01-27 03:11:08,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-27 03:11:08,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-27 03:11:08,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-27 03:11:08,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-27 03:11:08,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-27 03:11:08,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-27 03:11:08,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-27 03:11:08,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-27 03:11:08,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-27 03:11:08,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-27 03:11:08,038 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-27 03:11:08,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-27 03:11:08,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-27 03:11:08,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-27 03:11:08,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-27 03:11:08,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-27 03:11:08,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-27 03:11:08,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-27 03:11:08,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-27 03:11:08,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-27 03:11:08,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-27 03:11:08,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-27 03:11:08,041 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-27 03:11:08,042 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-27 03:11:08,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-27 03:11:08,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-27 03:11:08,042 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-27 03:11:08,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-27 03:11:08,043 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-27 03:11:08,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-27 03:11:08,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-27 03:11:08,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-27 03:11:08,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-27 03:11:08,482 INFO L275 PluginConnector]: CDTParser initialized [2021-01-27 03:11:08,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-01-27 03:11:08,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00d57086/4156f80b843c42a1abd7d9ca850288c0/FLAG2f74f4934 [2021-01-27 03:11:09,445 INFO L306 CDTParser]: Found 1 translation units. [2021-01-27 03:11:09,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-01-27 03:11:09,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00d57086/4156f80b843c42a1abd7d9ca850288c0/FLAG2f74f4934 [2021-01-27 03:11:09,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00d57086/4156f80b843c42a1abd7d9ca850288c0 [2021-01-27 03:11:09,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-27 03:11:09,654 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-27 03:11:09,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-27 03:11:09,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-27 03:11:09,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-27 03:11:09,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:09" (1/1) ... [2021-01-27 03:11:09,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5409cba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:09, skipping insertion in model container [2021-01-27 03:11:09,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:11:09" (1/1) ... [2021-01-27 03:11:09,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-27 03:11:09,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-27 03:11:10,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:11:10,535 INFO L203 MainTranslator]: Completed pre-run [2021-01-27 03:11:10,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-27 03:11:10,816 INFO L208 MainTranslator]: Completed translation [2021-01-27 03:11:10,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10 WrapperNode [2021-01-27 03:11:10,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-27 03:11:10,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-27 03:11:10,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-27 03:11:10,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-27 03:11:10,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-27 03:11:10,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-27 03:11:10,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-27 03:11:10,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-27 03:11:10,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (1/1) ... [2021-01-27 03:11:10,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-27 03:11:10,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-27 03:11:10,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-27 03:11:10,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-27 03:11:10,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (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 [2021-01-27 03:11:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-27 03:11:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-27 03:11:11,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-27 03:11:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-27 03:11:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-27 03:11:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-01-27 03:11:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-01-27 03:11:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-27 03:11:11,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-27 03:11:11,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-27 03:11:11,023 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-27 03:11:11,772 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-27 03:11:11,772 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2021-01-27 03:11:11,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:11:11 BoogieIcfgContainer [2021-01-27 03:11:11,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-27 03:11:11,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-27 03:11:11,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-27 03:11:11,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-27 03:11:11,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:11:09" (1/3) ... [2021-01-27 03:11:11,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc92d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:11:11, skipping insertion in model container [2021-01-27 03:11:11,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:11:10" (2/3) ... [2021-01-27 03:11:11,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc92d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:11:11, skipping insertion in model container [2021-01-27 03:11:11,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:11:11" (3/3) ... [2021-01-27 03:11:11,786 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2021-01-27 03:11:11,804 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-27 03:11:11,805 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-27 03:11:11,810 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-27 03:11:11,811 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-27 03:11:11,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,858 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,858 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,863 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,864 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,865 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,867 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,868 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,868 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-27 03:11:11,879 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-27 03:11:11,893 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-27 03:11:11,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-27 03:11:11,920 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-27 03:11:11,920 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-27 03:11:11,920 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-27 03:11:11,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-27 03:11:11,921 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-27 03:11:11,921 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-27 03:11:11,921 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 63 and size of Sequence is : 64[2021-01-27 03:11:11,961 INFO L164 SleepSetCegar]: Size of mCounterexample is: 64 [2021-01-27 03:11:11,962 INFO L165 SleepSetCegar]: [111#[ULTIMATE.startENTRY]don't care, 114#[L-1]don't care, 117#[L-1-1]don't care, 120#[L921]don't care, 123#[L921-1]don't care, 126#[L921-2]don't care, 129#[L921-3]don't care, 132#[L921-4]don't care, 135#[L940]don't care, 138#[L942]don't care, 141#[L944]don't care, 144#[L927]don't care, 147#[L927-1]don't care, 150#[L927-2]don't care, 153#[L927-3]don't care, 156#[L927-4]don't care, 159#[L927-5]don't care, 162#[L929]don't care, 165#[L929-1]don't care, 168#[L929-2]don't care, 171#[L929-3]don't care, 174#[L929-4]don't care, 177#[L929-5]don't care, 180#[L929-6]don't care, 183#[L930]don't care, 186#[L930-1]don't care, 189#[L930-2]don't care, 192#[L930-3]don't care, 195#[L930-4]don't care, 198#[L930-5]don't care, 201#[L-1-2]don't care, 204#[L938]don't care, 207#[L938-1]don't care, 210#[L938-2]don't care, 213#[L939]don't care, 216#[L939-1]don't care, 219#[L939-10]don't care, 222#[L939-11]don't care, 229#[L941]don't care, 234#[L941-1]don't care, 238#[L941-2]don't care, 232#[L941-4]don't care, 242#[L943]don't care, 245#[L943-6]don't care, 251#[L943-2]don't care, 255#[L943-3]don't care, 258#[L943-4]don't care, 261#[L922]don't care, 264#[L922-1]don't care, 267#[L922-2]don't care, 273#[L921-5]don't care, 278#[L921-9]don't care, 269#[L922-4]don't care, 283#[L943-5]don't care, 245#[L943-6]don't care, 251#[L943-2]don't care, 255#[L943-3]don't care, 258#[L943-4]don't care, 261#[L922]don't care, 264#[L922-1]don't care, 267#[L922-2]don't care, 273#[L921-5]don't care, 276#[L921-7]don't care, 359#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]don't care] [2021-01-27 03:11:11,962 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:11,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:11,969 INFO L82 PathProgramCache]: Analyzing trace with hash 476806606, now seen corresponding path program 1 times [2021-01-27 03:11:11,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:11,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091919907] [2021-01-27 03:11:11,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-01-27 03:11:12,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091919907] [2021-01-27 03:11:12,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:11:12,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-27 03:11:12,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976000802] [2021-01-27 03:11:12,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-27 03:11:12,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:12,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-27 03:11:12,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-27 03:11:12,270 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:12,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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: 52 and size of Sequence is : 53[2021-01-27 03:11:12,286 INFO L164 SleepSetCegar]: Size of mCounterexample is: 53 [2021-01-27 03:11:12,287 INFO L165 SleepSetCegar]: [365#[ULTIMATE.startENTRY]true, 367#[L-1]true, 369#[L-1-1]true, 371#[L921]true, 373#[L921-1]true, 375#[L921-2]true, 377#[L921-3]true, 379#[L921-4]true, 381#[L940]true, 383#[L942]true, 385#[L944]true, 387#[L927]true, 389#[L927-1]true, 391#[L927-2]true, 393#[L927-3]true, 395#[L927-4]true, 397#[L927-5]true, 399#[L929]true, 401#[L929-1]true, 403#[L929-2]true, 405#[L929-3]true, 407#[L929-4]true, 409#[L929-5]true, 411#[L929-6]true, 413#[L930]true, 415#[L930-1]true, 417#[L930-2]true, 419#[L930-3]true, 421#[L930-4]true, 423#[L930-5]true, 425#[L-1-2]true, 427#[L938]true, 429#[L938-1]true, 431#[L938-2]true, 433#[L939]true, 435#[L939-1]true, 437#[L939-10]true, 440#[L939-11]true, 445#[L941]true, 448#[L941-1]true, 451#[L941-2]true, 447#[L941-4]true, 454#[L943]true, 456#[L943-6]true, 460#[L943-2]true, 464#[L943-3]true, 466#[L943-4]true, 468#[L922]true, 470#[L922-1]true, 472#[L922-2]true, 476#[L921-5]true, 478#[L921-7]true, 482#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:11:12,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-27 03:11:12,287 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:12,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:12,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1886447000, now seen corresponding path program 1 times [2021-01-27 03:11:12,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:12,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074432118] [2021-01-27 03:11:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:12,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074432118] [2021-01-27 03:11:12,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-27 03:11:12,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-27 03:11:12,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054432317] [2021-01-27 03:11:12,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-27 03:11:12,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:12,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-27 03:11:12,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-27 03:11:12,491 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:12,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-01-27 03:11:12,577 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 81 and size of Sequence is : 82[2021-01-27 03:11:12,641 INFO L164 SleepSetCegar]: Size of mCounterexample is: 82 [2021-01-27 03:11:12,643 INFO L165 SleepSetCegar]: [489#[ULTIMATE.startENTRY]true, 492#[L-1]true, 495#[L-1-1]true, 498#[L921]true, 501#[L921-1]true, 504#[L921-2]true, 507#[L921-3]true, 510#[L921-4]true, 513#[L940]true, 516#[L942]true, 519#[L944]true, 522#[L927]true, 525#[L927-1]true, 528#[L927-2]true, 531#[L927-3]true, 534#[L927-4]true, 537#[L927-5]true, 540#[L929]true, 543#[L929-1]true, 546#[L929-2]true, 549#[L929-3]true, 552#[L929-4]true, 555#[L929-5]true, 558#[L929-6]true, 561#[L930]true, 564#[L930-1]true, 567#[L930-2]true, 570#[L930-3]true, 573#[L930-4]true, 576#[L930-5]true, 579#[L-1-2]true, 582#[L938]true, 585#[L938-1]true, 588#[L938-2]true, 591#[L939]true, 594#[L939-1]true, 597#[L939-10](= ULTIMATE.start_main_~i~1 0), 604#[L939-4](= ULTIMATE.start_main_~i~1 0), 612#[L939-5](= ULTIMATE.start_main_~i~1 0), 618#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 627#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 639#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 651#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 668#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 684#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 699#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 711#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 723#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 735#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 747#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 758#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 776#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 791#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 803#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 815#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 827#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 839#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 849#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 863#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 878#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 888#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 900#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 909#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 915#[L939-8, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 921#[L939-9, t_funEXIT]true, 927#[L939-10, t_funEXIT]true, 939#[t_funEXIT, L939-11]true, 948#[L941, t_funEXIT]true, 959#[t_funEXIT, L941-1]true, 966#[L941-2, t_funEXIT]true, 957#[L941-4, t_funEXIT]true, 973#[L943, t_funEXIT]true, 982#[L943-6, t_funEXIT]true, 992#[L943-2, t_funEXIT]true, 1001#[L943-3, t_funEXIT]true, 1007#[t_funEXIT, L943-4]true, 1013#[L922, t_funEXIT]true, 1019#[L922-1, t_funEXIT]true, 1028#[L922-2, t_funEXIT]true, 1037#[L921-5, t_funEXIT]true, 1046#[L921-7, t_funEXIT]true, 1058#[t_funEXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-27 03:11:12,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-27 03:11:12,643 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:12,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:12,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2106741906, now seen corresponding path program 1 times [2021-01-27 03:11:12,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:12,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216352274] [2021-01-27 03:11:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:12,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216352274] [2021-01-27 03:11:12,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717406083] [2021-01-27 03:11:12,808 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 [2021-01-27 03:11:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-27 03:11:12,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-27 03:11:12,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-27 03:11:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-27 03:11:13,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-27 03:11:13,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-01-27 03:11:13,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170423740] [2021-01-27 03:11:13,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-27 03:11:13,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-27 03:11:13,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-27 03:11:13,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-27 03:11:13,037 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-27 03:11:13,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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: 68 and size of Sequence is : 69[2021-01-27 03:11:13,116 INFO L164 SleepSetCegar]: Size of mCounterexample is: 69 [2021-01-27 03:11:13,117 INFO L165 SleepSetCegar]: [1310#[ULTIMATE.startENTRY]true, 1313#[L-1]true, 1316#[L-1-1]true, 1319#[L921]true, 1322#[L921-1]true, 1325#[L921-2]true, 1328#[L921-3]true, 1331#[L921-4]true, 1334#[L940]true, 1337#[L942]true, 1340#[L944]true, 1343#[L927]true, 1346#[L927-1]true, 1349#[L927-2]true, 1352#[L927-3]true, 1355#[L927-4]true, 1358#[L927-5]true, 1361#[L929]true, 1364#[L929-1]true, 1367#[L929-2]true, 1370#[L929-3]true, 1373#[L929-4]true, 1376#[L929-5]true, 1379#[L929-6]true, 1382#[L930]true, 1385#[L930-1]true, 1388#[L930-2]true, 1391#[L930-3]true, 1394#[L930-4]true, 1397#[L930-5]true, 1400#[L-1-2]true, 1403#[L938]true, 1406#[L938-1]true, 1409#[L938-2]true, 1412#[L939]true, 1415#[L939-1]true, 1418#[L939-10](= ULTIMATE.start_main_~i~1 0), 1425#[L939-4](= ULTIMATE.start_main_~i~1 0), 1430#[L939-5](= ULTIMATE.start_main_~i~1 0), 1433#[t_funENTRY, L939-6](= ULTIMATE.start_main_~i~1 0), 1436#[L939-6, L932](= ULTIMATE.start_main_~i~1 0), 1442#[L939-6, L932-1](= ULTIMATE.start_main_~i~1 0), 1448#[L939-6, L933-17](= ULTIMATE.start_main_~i~1 0), 1456#[L939-6, L933-7](= ULTIMATE.start_main_~i~1 0), 1463#[L933-1, L939-6](= ULTIMATE.start_main_~i~1 0), 1472#[L933-2, L939-6](= ULTIMATE.start_main_~i~1 0), 1478#[L933-3, L939-6](= ULTIMATE.start_main_~i~1 0), 1484#[L939-6, L933-4](= ULTIMATE.start_main_~i~1 0), 1490#[L933-5, L939-6](= ULTIMATE.start_main_~i~1 0), 1496#[L933-6, L939-6](= ULTIMATE.start_main_~i~1 0), 1502#[L939-6, L933-15](= ULTIMATE.start_main_~i~1 0), 1511#[L939-6, L933-9](= ULTIMATE.start_main_~i~1 0), 1520#[L939-6, L933-10](= ULTIMATE.start_main_~i~1 0), 1526#[L933-11, L939-6](= ULTIMATE.start_main_~i~1 0), 1532#[L933-12, L939-6](= ULTIMATE.start_main_~i~1 0), 1538#[L933-13, L939-6](= ULTIMATE.start_main_~i~1 0), 1544#[L939-6, L933-14](= ULTIMATE.start_main_~i~1 0), 1550#[L939-6, L933-16](= ULTIMATE.start_main_~i~1 0), 1559#[L939-6, L933-18](= ULTIMATE.start_main_~i~1 0), 1568#[L935, L939-6](= ULTIMATE.start_main_~i~1 0), 1572#[L939-6, t_funFINAL](= ULTIMATE.start_main_~i~1 0), 1578#[L939-6, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1584#[L939-7, t_funEXIT](= ULTIMATE.start_main_~i~1 0), 1589#[L939-8, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (= ULTIMATE.start_main_~i~1 0)), 1594#[L939-9, t_funEXIT](and (= |ULTIMATE.start_main_#t~post39| 0) (<= ULTIMATE.start_main_~i~1 1)), 1597#[L939-10, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1604#[L939-4, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1612#[L939-5, t_funEXIT](<= ULTIMATE.start_main_~i~1 1), 1620#[ULTIMATE.startErr0INUSE_VIOLATION, t_funEXIT](<= ULTIMATE.start_main_~i~1 1)] [2021-01-27 03:11:13,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-27 03:11:13,318 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-27 03:11:13,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-27 03:11:13,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1344637563, now seen corresponding path program 1 times [2021-01-27 03:11:13,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-27 03:11:13,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575365577] [2021-01-27 03:11:13,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-27 03:11:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:11:13,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:11:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-27 03:11:13,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-27 03:11:13,570 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-27 03:11:13,570 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-27 03:11:13,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-27 03:11:13,571 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-27 03:11:13,571 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-27 03:11:13,610 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@21929448 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) [2021-01-27 03:11:13,620 INFO L168 Benchmark]: Toolchain (without parser) took 3975.42 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 275.5 MB in the beginning and 354.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 169.0 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:13,620 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-27 03:11:13,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1159.61 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 258.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:13,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.98 ms. Allocated memory is still 302.0 MB. Free memory was 258.1 MB in the beginning and 255.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:13,626 INFO L168 Benchmark]: Boogie Preprocessor took 39.78 ms. Allocated memory is still 302.0 MB. Free memory was 255.2 MB in the beginning and 254.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:13,628 INFO L168 Benchmark]: RCFGBuilder took 858.01 ms. Allocated memory is still 302.0 MB. Free memory was 254.1 MB in the beginning and 224.8 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:13,635 INFO L168 Benchmark]: TraceAbstraction took 1839.09 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 223.7 MB in the beginning and 354.0 MB in the end (delta: -130.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 16.0 GB. [2021-01-27 03:11:13,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1159.61 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 258.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.98 ms. Allocated memory is still 302.0 MB. Free memory was 258.1 MB in the beginning and 255.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.78 ms. Allocated memory is still 302.0 MB. Free memory was 255.2 MB in the beginning and 254.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 858.01 ms. Allocated memory is still 302.0 MB. Free memory was 254.1 MB in the beginning and 224.8 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1839.09 ms. Allocated memory was 302.0 MB in the beginning and 373.3 MB in the end (delta: 71.3 MB). Free memory was 223.7 MB in the beginning and 354.0 MB in the end (delta: -130.2 MB). Peak memory consumption was 116.2 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@21929448 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@21929448: 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...