./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/sync01.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/sync01.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07a2cff325945f1e2c5f5bc34031b7ae099cedf8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 20:17:20,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 20:17:20,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 20:17:20,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 20:17:20,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 20:17:20,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 20:17:20,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 20:17:20,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 20:17:20,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 20:17:20,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 20:17:20,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 20:17:20,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 20:17:20,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 20:17:20,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 20:17:20,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 20:17:20,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 20:17:20,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 20:17:20,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 20:17:20,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 20:17:20,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 20:17:20,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 20:17:20,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 20:17:20,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 20:17:20,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 20:17:20,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 20:17:20,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 20:17:20,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 20:17:20,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 20:17:20,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 20:17:20,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 20:17:20,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 20:17:20,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 20:17:20,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 20:17:20,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 20:17:20,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 20:17:20,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 20:17:20,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 20:17:20,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 20:17:20,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 20:17:20,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 20:17:20,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 20:17:20,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 20:17:21,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 20:17:21,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 20:17:21,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 20:17:21,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 20:17:21,011 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 20:17:21,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 20:17:21,011 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 20:17:21,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 20:17:21,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 20:17:21,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 20:17:21,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 20:17:21,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 20:17:21,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 20:17:21,013 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 20:17:21,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 20:17:21,014 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 20:17:21,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 20:17:21,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 20:17:21,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 20:17:21,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 20:17:21,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 20:17:21,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:17:21,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 20:17:21,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 20:17:21,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 20:17:21,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 20:17:21,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 20:17:21,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 20:17:21,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 20:17:21,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a2cff325945f1e2c5f5bc34031b7ae099cedf8 [2020-07-28 20:17:21,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 20:17:21,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 20:17:21,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 20:17:21,362 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 20:17:21,362 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 20:17:21,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/sync01.i [2020-07-28 20:17:21,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd854b42b/72e03f2ebfcd40358c563e9edbbfdbe0/FLAG765d5540c [2020-07-28 20:17:22,048 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 20:17:22,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i [2020-07-28 20:17:22,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd854b42b/72e03f2ebfcd40358c563e9edbbfdbe0/FLAG765d5540c [2020-07-28 20:17:22,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd854b42b/72e03f2ebfcd40358c563e9edbbfdbe0 [2020-07-28 20:17:22,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 20:17:22,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 20:17:22,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 20:17:22,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 20:17:22,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 20:17:22,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:17:22" (1/1) ... [2020-07-28 20:17:22,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d84b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:22, skipping insertion in model container [2020-07-28 20:17:22,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:17:22" (1/1) ... [2020-07-28 20:17:22,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 20:17:22,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 20:17:22,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:17:22,999 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 20:17:23,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:17:23,193 INFO L208 MainTranslator]: Completed translation [2020-07-28 20:17:23,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23 WrapperNode [2020-07-28 20:17:23,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 20:17:23,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 20:17:23,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 20:17:23,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 20:17:23,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 20:17:23,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 20:17:23,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 20:17:23,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 20:17:23,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... [2020-07-28 20:17:23,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 20:17:23,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 20:17:23,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 20:17:23,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 20:17:23,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:17:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 20:17:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 20:17:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 20:17:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-07-28 20:17:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-07-28 20:17:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-07-28 20:17:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-07-28 20:17:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 20:17:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-07-28 20:17:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 20:17:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 20:17:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 20:17:23,405 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 20:17:23,964 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 20:17:23,965 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-28 20:17:23,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:17:23 BoogieIcfgContainer [2020-07-28 20:17:23,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 20:17:23,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 20:17:23,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 20:17:23,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 20:17:23,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 08:17:22" (1/3) ... [2020-07-28 20:17:23,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36822ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:17:23, skipping insertion in model container [2020-07-28 20:17:23,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:17:23" (2/3) ... [2020-07-28 20:17:23,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36822ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:17:23, skipping insertion in model container [2020-07-28 20:17:23,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:17:23" (3/3) ... [2020-07-28 20:17:23,980 INFO L109 eAbstractionObserver]: Analyzing ICFG sync01.i [2020-07-28 20:17:23,992 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 20:17:23,993 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 20:17:24,002 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 20:17:24,004 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 20:17:24,040 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,042 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,042 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,047 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,047 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,048 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,048 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,049 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,050 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,051 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,056 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,057 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,066 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,067 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,067 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:17:24,093 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 20:17:24,116 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 20:17:24,117 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 20:17:24,117 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 20:17:24,117 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 20:17:24,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 20:17:24,118 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 20:17:24,118 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 20:17:24,118 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 20:17:24,136 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 91 transitions, 204 flow [2020-07-28 20:17:24,138 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 91 transitions, 204 flow [2020-07-28 20:17:24,198 INFO L129 PetriNetUnfolder]: 6/91 cut-off events. [2020-07-28 20:17:24,199 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-07-28 20:17:24,205 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 91 events. 6/91 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place. [2020-07-28 20:17:24,208 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 91 transitions, 204 flow [2020-07-28 20:17:24,241 INFO L129 PetriNetUnfolder]: 6/91 cut-off events. [2020-07-28 20:17:24,241 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-07-28 20:17:24,242 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 91 events. 6/91 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place. [2020-07-28 20:17:24,245 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 840 [2020-07-28 20:17:24,246 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 20:17:26,888 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-28 20:17:27,017 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-28 20:17:27,196 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-07-28 20:17:27,985 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 147 [2020-07-28 20:17:28,340 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-28 20:17:28,352 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2359 [2020-07-28 20:17:28,353 INFO L214 etLargeBlockEncoding]: Total number of compositions: 67 [2020-07-28 20:17:28,357 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2020-07-28 20:17:28,378 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 198 states. [2020-07-28 20:17:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-07-28 20:17:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-28 20:17:28,395 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:17:28,397 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:17:28,397 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:17:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:17:28,404 INFO L82 PathProgramCache]: Analyzing trace with hash -495198352, now seen corresponding path program 1 times [2020-07-28 20:17:28,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:17:28,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579789965] [2020-07-28 20:17:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:17:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:17:28,638 INFO L280 TraceCheckUtils]: 0: Hoare triple {490#true} [304] ULTIMATE.startENTRY-->L941-1: Formula: (let ((.cse4 (store |v_#valid_77| 0 0))) (let ((.cse3 (store .cse4 |v_~#m~0.base_114| 1))) (let ((.cse6 (store .cse3 |v_~#empty~0.base_23| 1))) (let ((.cse7 (store .cse6 |v_~#full~0.base_22| 1))) (let ((.cse5 (store .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24| 1)) (.cse1 (select |v_#memory_int_64| |v_~#empty~0.base_23|)) (.cse0 (select |v_#memory_int_64| |v_~#full~0.base_22|)) (.cse2 (select |v_#memory_int_64| |v_~#m~0.base_114|))) (and (= 0 |v_ULTIMATE.start_main_~#t2~0.offset_18|) (= v_~num~0_112 1) (= 0 |v_#NULL.base_5|) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 28))) (= (select .cse0 (+ |v_~#full~0.offset_22| 12)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 28))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 20))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 16))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 12))) (< |v_#StackHeapBarrier_27| |v_~#m~0.base_114|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 8))) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t2~0.base_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 12))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 4))) (= 0 (select .cse3 |v_~#empty~0.base_23|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 8))) (= 0 (select .cse1 |v_~#empty~0.offset_23|)) (< 0 |v_#StackHeapBarrier_27|) (< |v_#StackHeapBarrier_27| |v_~#full~0.base_22|) (= 0 (select .cse4 |v_~#m~0.base_114|)) (= (store |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24| (store (select |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24|) |v_ULTIMATE.start_main_~#t1~0.offset_20| 0)) |v_#memory_int_63|) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 16))) (= 0 |v_~#full~0.offset_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 16))) (< |v_#StackHeapBarrier_27| |v_~#empty~0.base_23|) (= 0 (select .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22|)) (= (select .cse0 |v_~#full~0.offset_22|) 0) (= (store |v_#pthreadsMutex_267| |v_~#m~0.base_114| (store (select |v_#pthreadsMutex_267| |v_~#m~0.base_114|) |v_~#m~0.offset_114| 0)) |v_#pthreadsMutex_266|) (= (select .cse1 (+ |v_~#empty~0.offset_23| 8)) 0) (= 0 |v_~#empty~0.offset_23|) (= (store .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22| 1) |v_#valid_75|) (= (store (store (store (store (store |v_#length_52| |v_~#m~0.base_114| 24) |v_~#empty~0.base_23| 48) |v_~#full~0.base_22| 48) |v_ULTIMATE.start_main_~#t1~0.base_24| 4) |v_ULTIMATE.start_main_~#t2~0.base_22| 4) |v_#length_50|) (= 0 |v_~#m~0.offset_114|) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t1~0.base_24|) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t1~0.offset_20|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 4))) (= (select .cse0 (+ |v_~#full~0.offset_22| 24)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 24))) (= (select .cse6 |v_~#full~0.base_22|) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 4))) (= 0 (select .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 20))) (= 0 (select .cse2 |v_~#m~0.offset_114|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_267|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, #valid=|v_#valid_77|, #memory_int=|v_#memory_int_64|, #length=|v_#length_52|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_266|, ~#full~0.base=|v_~#full~0.base_22|, ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_8|, ~#empty~0.offset=|v_~#empty~0.offset_23|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_18|, #NULL.offset=|v_#NULL.offset_5|, ~num~0=v_~num~0_112, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_24|, ~#m~0.base=|v_~#m~0.base_114|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, ~#m~0.offset=|v_~#m~0.offset_114|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, #valid=|v_#valid_75|, #memory_int=|v_#memory_int_63|, ~#empty~0.base=|v_~#empty~0.base_23|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_8|, #length=|v_#length_50|, ~#full~0.offset=|v_~#full~0.offset_22|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_20|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_22|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_12|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_13|} AuxVars[] AssignedVars[#pthreadsMutex, ~#full~0.base, ULTIMATE.start_main_#t~nondet36, ~#empty~0.offset, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ~num~0, #NULL.base, ULTIMATE.start_main_~#t1~0.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ~#empty~0.base, ULTIMATE.start_main_#t~nondet37, #length, ~#full~0.offset, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_#t~mem39, ULTIMATE.start_main_#t~mem38] {490#true} is VALID [2020-07-28 20:17:28,639 INFO L280 TraceCheckUtils]: 1: Hoare triple {490#true} [230] L941-1-->thread1ENTRY: Formula: (and (= 0 v_thread1Thread1of1ForFork0_thidvar0_2) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_3|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_3|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_5|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_4|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_3|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_3|, thread1Thread1of1ForFork0_#t~nondet31=|v_thread1Thread1of1ForFork0_#t~nondet31_4|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#in~arg.base, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_#in~arg.offset, thread1Thread1of1ForFork0_#t~nondet31] {490#true} is VALID [2020-07-28 20:17:28,640 INFO L280 TraceCheckUtils]: 2: Hoare triple {490#true} [251] L941-2-->L942-1: Formula: (= |v_#memory_int_32| (store |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1))) InVars {#memory_int=|v_#memory_int_33|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_4|, #memory_int=|v_#memory_int_32|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet36, #memory_int] {490#true} is VALID [2020-07-28 20:17:28,640 INFO L280 TraceCheckUtils]: 3: Hoare triple {490#true} [232] L942-1-->thread2ENTRY: Formula: (and (= 1 v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.offset_3|) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_3|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_4|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_3, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_3|, thread2Thread1of1ForFork1_#t~nondet34=|v_thread2Thread1of1ForFork1_#t~nondet34_4|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_3, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_5|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_3|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_3|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#in~arg.offset, thread2Thread1of1ForFork1_#t~nondet34, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~post35, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#in~arg.base, thread2Thread1of1ForFork1_thidvar0] {490#true} is VALID [2020-07-28 20:17:28,641 INFO L280 TraceCheckUtils]: 4: Hoare triple {490#true} [263] L942-2-->L943-1: Formula: (= |v_ULTIMATE.start_main_#t~mem38_9| (select (select |v_#memory_int_41| |v_ULTIMATE.start_main_~#t1~0.base_11|) |v_ULTIMATE.start_main_~#t1~0.offset_11|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_4|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet37, ULTIMATE.start_main_#t~mem38] {490#true} is VALID [2020-07-28 20:17:28,641 INFO L280 TraceCheckUtils]: 5: Hoare triple {490#true} [283] thread2ENTRY-->L927-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_172| |v_~#m~0.base_76|))) (and (= (select .cse0 |v_~#m~0.offset_76|) 0) (= v_thread2Thread1of1ForFork1_~arg.base_11 |v_thread2Thread1of1ForFork1_#in~arg.base_11|) (= |v_#pthreadsMutex_171| (store |v_#pthreadsMutex_172| |v_~#m~0.base_76| (store .cse0 |v_~#m~0.offset_76| 1))) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_11| v_thread2Thread1of1ForFork1_~arg.offset_11))) InVars {#pthreadsMutex=|v_#pthreadsMutex_172|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_171|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_14|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_11, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_11, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} AuxVars[] AssignedVars[#pthreadsMutex, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset] {490#true} is VALID [2020-07-28 20:17:28,642 INFO L280 TraceCheckUtils]: 6: Hoare triple {490#true} [285] thread1ENTRY-->L917-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_180| |v_~#m~0.base_79|))) (and (= (store |v_#pthreadsMutex_180| |v_~#m~0.base_79| (store .cse0 |v_~#m~0.offset_79| 1)) |v_#pthreadsMutex_179|) (= 0 (select .cse0 |v_~#m~0.offset_79|)) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_7| v_thread1Thread1of1ForFork0_~arg.offset_7) (= |v_thread1Thread1of1ForFork0_#in~arg.base_7| v_thread1Thread1of1ForFork0_~arg.base_7))) InVars {#pthreadsMutex=|v_#pthreadsMutex_180|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_179|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_7, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_7, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_16|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30] {490#true} is VALID [2020-07-28 20:17:28,644 INFO L280 TraceCheckUtils]: 7: Hoare triple {490#true} [294] L917-2-->thread1EXIT: Formula: false InVars {} OutVars{#pthreadsMutex=|v_#pthreadsMutex_257|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_14|, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_60|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_14|, ~num~0=v_~num~0_106} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#res.offset, ~num~0] {491#false} is VALID [2020-07-28 20:17:28,644 INFO L280 TraceCheckUtils]: 8: Hoare triple {491#false} [234] thread1EXIT-->L943-2: Formula: (= |v_ULTIMATE.start_main_#t~mem38_7| v_thread1Thread1of1ForFork0_thidvar0_4) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_7|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_7|} AuxVars[] AssignedVars[] {491#false} is VALID [2020-07-28 20:17:28,645 INFO L280 TraceCheckUtils]: 9: Hoare triple {491#false} [117] L943-2-->L944: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem38] {491#false} is VALID [2020-07-28 20:17:28,646 INFO L280 TraceCheckUtils]: 10: Hoare triple {491#false} [147] L944-->L944-1: Formula: (= (select (select |v_#memory_int_27| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|) |v_ULTIMATE.start_main_#t~mem39_2|) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_2|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {491#false} is VALID [2020-07-28 20:17:28,646 INFO L280 TraceCheckUtils]: 11: Hoare triple {491#false} [287] L927-2-->thread2EXIT: Formula: false InVars {} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_10|, #pthreadsMutex=|v_#pthreadsMutex_211|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_10|, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_42|, ~num~0=v_~num~0_66} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, #pthreadsMutex, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~post35, ~num~0] {491#false} is VALID [2020-07-28 20:17:28,646 INFO L280 TraceCheckUtils]: 12: Hoare triple {491#false} [235] thread2EXIT-->L944-2: Formula: (= |v_ULTIMATE.start_main_#t~mem39_5| v_thread2Thread1of1ForFork1_thidvar0_6) InVars {ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} OutVars{ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} AuxVars[] AssignedVars[] {491#false} is VALID [2020-07-28 20:17:28,647 INFO L280 TraceCheckUtils]: 13: Hoare triple {491#false} [135] L944-2-->L945: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {491#false} is VALID [2020-07-28 20:17:28,647 INFO L280 TraceCheckUtils]: 14: Hoare triple {491#false} [260] L945-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~num~0_16)) InVars {~num~0=v_~num~0_16} OutVars{~num~0=v_~num~0_16} AuxVars[] AssignedVars[] {491#false} is VALID [2020-07-28 20:17:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:17:28,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579789965] [2020-07-28 20:17:28,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:17:28,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 20:17:28,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462085436] [2020-07-28 20:17:28,679 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-07-28 20:17:28,682 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:17:28,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 20:17:28,748 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:28,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 20:17:28,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:17:28,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 20:17:28,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 20:17:28,774 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2020-07-28 20:17:28,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:28,878 INFO L93 Difference]: Finished difference Result 198 states and 455 transitions. [2020-07-28 20:17:28,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 20:17:28,878 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-07-28 20:17:28,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:17:28,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 20:17:28,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 32 transitions. [2020-07-28 20:17:28,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 20:17:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 32 transitions. [2020-07-28 20:17:28,886 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 32 transitions. [2020-07-28 20:17:28,928 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:28,954 INFO L225 Difference]: With dead ends: 198 [2020-07-28 20:17:28,954 INFO L226 Difference]: Without dead ends: 197 [2020-07-28 20:17:28,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 20:17:28,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-07-28 20:17:28,996 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:28,998 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:28,999 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,000 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,001 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,002 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,003 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,004 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,005 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,006 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,007 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,008 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,009 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,010 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,011 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,012 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,013 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,014 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,015 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,016 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,017 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,018 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,019 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,020 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,021 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,022 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,023 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,024 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,025 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,026 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,027 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,028 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,029 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,030 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,031 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,032 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,033 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,034 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,035 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,036 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,037 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,038 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,039 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,040 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,041 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,042 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,043 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,044 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,045 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,046 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,047 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,048 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,049 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,050 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,051 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,052 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,053 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,054 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,055 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,056 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,057 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,058 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,059 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,060 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-07-28 20:17:29,061 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:17:29,061 INFO L82 GeneralOperation]: Start isEquivalent. First operand 197 states. Second operand 197 states. [2020-07-28 20:17:29,062 INFO L74 IsIncluded]: Start isIncluded. First operand 197 states. Second operand 197 states. [2020-07-28 20:17:29,062 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 197 states. [2020-07-28 20:17:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:29,083 INFO L93 Difference]: Finished difference Result 197 states and 454 transitions. [2020-07-28 20:17:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 454 transitions. [2020-07-28 20:17:29,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:29,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:29,086 INFO L74 IsIncluded]: Start isIncluded. First operand 197 states. Second operand 197 states. [2020-07-28 20:17:29,087 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 197 states. [2020-07-28 20:17:29,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:29,105 INFO L93 Difference]: Finished difference Result 197 states and 454 transitions. [2020-07-28 20:17:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 454 transitions. [2020-07-28 20:17:29,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:29,107 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:29,107 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:17:29,108 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:17:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-28 20:17:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 454 transitions. [2020-07-28 20:17:29,125 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 454 transitions. Word has length 15 [2020-07-28 20:17:29,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:17:29,126 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 454 transitions. [2020-07-28 20:17:29,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 20:17:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 454 transitions. [2020-07-28 20:17:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-28 20:17:29,128 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:17:29,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:17:29,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 20:17:29,129 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:17:29,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:17:29,129 INFO L82 PathProgramCache]: Analyzing trace with hash 279879984, now seen corresponding path program 1 times [2020-07-28 20:17:29,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:17:29,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552962549] [2020-07-28 20:17:29,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:17:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:17:29,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {1480#true} [304] ULTIMATE.startENTRY-->L941-1: Formula: (let ((.cse4 (store |v_#valid_77| 0 0))) (let ((.cse3 (store .cse4 |v_~#m~0.base_114| 1))) (let ((.cse6 (store .cse3 |v_~#empty~0.base_23| 1))) (let ((.cse7 (store .cse6 |v_~#full~0.base_22| 1))) (let ((.cse5 (store .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24| 1)) (.cse1 (select |v_#memory_int_64| |v_~#empty~0.base_23|)) (.cse0 (select |v_#memory_int_64| |v_~#full~0.base_22|)) (.cse2 (select |v_#memory_int_64| |v_~#m~0.base_114|))) (and (= 0 |v_ULTIMATE.start_main_~#t2~0.offset_18|) (= v_~num~0_112 1) (= 0 |v_#NULL.base_5|) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 28))) (= (select .cse0 (+ |v_~#full~0.offset_22| 12)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 28))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 20))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 16))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 12))) (< |v_#StackHeapBarrier_27| |v_~#m~0.base_114|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 8))) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t2~0.base_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 12))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 4))) (= 0 (select .cse3 |v_~#empty~0.base_23|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 8))) (= 0 (select .cse1 |v_~#empty~0.offset_23|)) (< 0 |v_#StackHeapBarrier_27|) (< |v_#StackHeapBarrier_27| |v_~#full~0.base_22|) (= 0 (select .cse4 |v_~#m~0.base_114|)) (= (store |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24| (store (select |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24|) |v_ULTIMATE.start_main_~#t1~0.offset_20| 0)) |v_#memory_int_63|) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 16))) (= 0 |v_~#full~0.offset_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 16))) (< |v_#StackHeapBarrier_27| |v_~#empty~0.base_23|) (= 0 (select .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22|)) (= (select .cse0 |v_~#full~0.offset_22|) 0) (= (store |v_#pthreadsMutex_267| |v_~#m~0.base_114| (store (select |v_#pthreadsMutex_267| |v_~#m~0.base_114|) |v_~#m~0.offset_114| 0)) |v_#pthreadsMutex_266|) (= (select .cse1 (+ |v_~#empty~0.offset_23| 8)) 0) (= 0 |v_~#empty~0.offset_23|) (= (store .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22| 1) |v_#valid_75|) (= (store (store (store (store (store |v_#length_52| |v_~#m~0.base_114| 24) |v_~#empty~0.base_23| 48) |v_~#full~0.base_22| 48) |v_ULTIMATE.start_main_~#t1~0.base_24| 4) |v_ULTIMATE.start_main_~#t2~0.base_22| 4) |v_#length_50|) (= 0 |v_~#m~0.offset_114|) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t1~0.base_24|) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t1~0.offset_20|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 4))) (= (select .cse0 (+ |v_~#full~0.offset_22| 24)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 24))) (= (select .cse6 |v_~#full~0.base_22|) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 4))) (= 0 (select .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 20))) (= 0 (select .cse2 |v_~#m~0.offset_114|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_267|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, #valid=|v_#valid_77|, #memory_int=|v_#memory_int_64|, #length=|v_#length_52|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_266|, ~#full~0.base=|v_~#full~0.base_22|, ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_8|, ~#empty~0.offset=|v_~#empty~0.offset_23|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_18|, #NULL.offset=|v_#NULL.offset_5|, ~num~0=v_~num~0_112, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_24|, ~#m~0.base=|v_~#m~0.base_114|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, ~#m~0.offset=|v_~#m~0.offset_114|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, #valid=|v_#valid_75|, #memory_int=|v_#memory_int_63|, ~#empty~0.base=|v_~#empty~0.base_23|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_8|, #length=|v_#length_50|, ~#full~0.offset=|v_~#full~0.offset_22|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_20|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_22|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_12|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_13|} AuxVars[] AssignedVars[#pthreadsMutex, ~#full~0.base, ULTIMATE.start_main_#t~nondet36, ~#empty~0.offset, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ~num~0, #NULL.base, ULTIMATE.start_main_~#t1~0.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ~#empty~0.base, ULTIMATE.start_main_#t~nondet37, #length, ~#full~0.offset, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_#t~mem39, ULTIMATE.start_main_#t~mem38] {1482#(= 1 ~num~0)} is VALID [2020-07-28 20:17:29,337 INFO L280 TraceCheckUtils]: 1: Hoare triple {1482#(= 1 ~num~0)} [230] L941-1-->thread1ENTRY: Formula: (and (= 0 v_thread1Thread1of1ForFork0_thidvar0_2) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_3|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_3|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_5|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_4|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_3|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_3|, thread1Thread1of1ForFork0_#t~nondet31=|v_thread1Thread1of1ForFork0_#t~nondet31_4|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#in~arg.base, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_#in~arg.offset, thread1Thread1of1ForFork0_#t~nondet31] {1482#(= 1 ~num~0)} is VALID [2020-07-28 20:17:29,339 INFO L280 TraceCheckUtils]: 2: Hoare triple {1482#(= 1 ~num~0)} [251] L941-2-->L942-1: Formula: (= |v_#memory_int_32| (store |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1))) InVars {#memory_int=|v_#memory_int_33|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_4|, #memory_int=|v_#memory_int_32|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet36, #memory_int] {1482#(= 1 ~num~0)} is VALID [2020-07-28 20:17:29,340 INFO L280 TraceCheckUtils]: 3: Hoare triple {1482#(= 1 ~num~0)} [232] L942-1-->thread2ENTRY: Formula: (and (= 1 v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.offset_3|) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_3|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_4|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_3, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_3|, thread2Thread1of1ForFork1_#t~nondet34=|v_thread2Thread1of1ForFork1_#t~nondet34_4|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_3, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_5|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_3|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_3|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#in~arg.offset, thread2Thread1of1ForFork1_#t~nondet34, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~post35, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#in~arg.base, thread2Thread1of1ForFork1_thidvar0] {1482#(= 1 ~num~0)} is VALID [2020-07-28 20:17:29,342 INFO L280 TraceCheckUtils]: 4: Hoare triple {1482#(= 1 ~num~0)} [263] L942-2-->L943-1: Formula: (= |v_ULTIMATE.start_main_#t~mem38_9| (select (select |v_#memory_int_41| |v_ULTIMATE.start_main_~#t1~0.base_11|) |v_ULTIMATE.start_main_~#t1~0.offset_11|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_4|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet37, ULTIMATE.start_main_#t~mem38] {1482#(= 1 ~num~0)} is VALID [2020-07-28 20:17:29,344 INFO L280 TraceCheckUtils]: 5: Hoare triple {1482#(= 1 ~num~0)} [283] thread2ENTRY-->L927-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_172| |v_~#m~0.base_76|))) (and (= (select .cse0 |v_~#m~0.offset_76|) 0) (= v_thread2Thread1of1ForFork1_~arg.base_11 |v_thread2Thread1of1ForFork1_#in~arg.base_11|) (= |v_#pthreadsMutex_171| (store |v_#pthreadsMutex_172| |v_~#m~0.base_76| (store .cse0 |v_~#m~0.offset_76| 1))) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_11| v_thread2Thread1of1ForFork1_~arg.offset_11))) InVars {#pthreadsMutex=|v_#pthreadsMutex_172|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_171|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_14|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_11, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_11, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} AuxVars[] AssignedVars[#pthreadsMutex, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset] {1483#(= ~num~0 (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|))} is VALID [2020-07-28 20:17:29,346 INFO L280 TraceCheckUtils]: 6: Hoare triple {1483#(= ~num~0 (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|))} [218] L927-2-->L927-3: Formula: (not (= 0 v_~num~0_5)) InVars {~num~0=v_~num~0_5} OutVars{~num~0=v_~num~0_5} AuxVars[] AssignedVars[] {1484#(not (= 0 (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|)))} is VALID [2020-07-28 20:17:29,346 INFO L280 TraceCheckUtils]: 7: Hoare triple {1484#(not (= 0 (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|)))} [220] L927-3-->L929: Formula: (= |v_thread2Thread1of1ForFork1_#t~post35_1| v_~num~0_7) InVars {~num~0=v_~num~0_7} OutVars{~num~0=v_~num~0_7, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post35] {1484#(not (= 0 (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|)))} is VALID [2020-07-28 20:17:29,347 INFO L280 TraceCheckUtils]: 8: Hoare triple {1484#(not (= 0 (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|)))} [285] thread1ENTRY-->L917-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_180| |v_~#m~0.base_79|))) (and (= (store |v_#pthreadsMutex_180| |v_~#m~0.base_79| (store .cse0 |v_~#m~0.offset_79| 1)) |v_#pthreadsMutex_179|) (= 0 (select .cse0 |v_~#m~0.offset_79|)) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_7| v_thread1Thread1of1ForFork0_~arg.offset_7) (= |v_thread1Thread1of1ForFork0_#in~arg.base_7| v_thread1Thread1of1ForFork0_~arg.base_7))) InVars {#pthreadsMutex=|v_#pthreadsMutex_180|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_179|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_7, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_7, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_16|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30] {1481#false} is VALID [2020-07-28 20:17:29,348 INFO L280 TraceCheckUtils]: 9: Hoare triple {1481#false} [203] L917-2-->L917-3: Formula: (not (< 0 v_~num~0_1)) InVars {~num~0=v_~num~0_1} OutVars{~num~0=v_~num~0_1} AuxVars[] AssignedVars[] {1481#false} is VALID [2020-07-28 20:17:29,348 INFO L280 TraceCheckUtils]: 10: Hoare triple {1481#false} [205] L917-3-->L919: Formula: (= |v_thread1Thread1of1ForFork0_#t~post32_1| v_~num~0_3) InVars {~num~0=v_~num~0_3} OutVars{~num~0=v_~num~0_3, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post32] {1481#false} is VALID [2020-07-28 20:17:29,348 INFO L280 TraceCheckUtils]: 11: Hoare triple {1481#false} [222] L929-->L929-1: Formula: (= v_~num~0_8 (+ |v_thread2Thread1of1ForFork1_#t~post35_2| (- 1))) InVars {thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_2|} OutVars{~num~0=v_~num~0_8, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_2|} AuxVars[] AssignedVars[~num~0] {1481#false} is VALID [2020-07-28 20:17:29,348 INFO L280 TraceCheckUtils]: 12: Hoare triple {1481#false} [270] L929-1-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork1_#res.offset_5| 0) (= (store |v_#pthreadsMutex_132| |v_~#m~0.base_59| (store (select |v_#pthreadsMutex_132| |v_~#m~0.base_59|) |v_~#m~0.offset_59| 0)) |v_#pthreadsMutex_131|) (= 0 |v_thread2Thread1of1ForFork1_#res.base_5|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_132|, ~#m~0.base=|v_~#m~0.base_59|, ~#m~0.offset=|v_~#m~0.offset_59|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_5|, #pthreadsMutex=|v_#pthreadsMutex_131|, ~#m~0.base=|v_~#m~0.base_59|, ~#m~0.offset=|v_~#m~0.offset_59|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_5|, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_22|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, #pthreadsMutex, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~post35] {1481#false} is VALID [2020-07-28 20:17:29,349 INFO L280 TraceCheckUtils]: 13: Hoare triple {1481#false} [233] thread2EXIT-->L943-2: Formula: (= |v_ULTIMATE.start_main_#t~mem38_5| v_thread2Thread1of1ForFork1_thidvar0_4) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_5|} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_5|} AuxVars[] AssignedVars[] {1481#false} is VALID [2020-07-28 20:17:29,349 INFO L280 TraceCheckUtils]: 14: Hoare triple {1481#false} [117] L943-2-->L944: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem38] {1481#false} is VALID [2020-07-28 20:17:29,349 INFO L280 TraceCheckUtils]: 15: Hoare triple {1481#false} [147] L944-->L944-1: Formula: (= (select (select |v_#memory_int_27| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|) |v_ULTIMATE.start_main_#t~mem39_2|) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_2|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {1481#false} is VALID [2020-07-28 20:17:29,349 INFO L280 TraceCheckUtils]: 16: Hoare triple {1481#false} [207] L919-->L919-1: Formula: (= v_~num~0_4 (+ |v_thread1Thread1of1ForFork0_#t~post32_2| 1)) InVars {thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_2|} OutVars{~num~0=v_~num~0_4, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_2|} AuxVars[] AssignedVars[~num~0] {1481#false} is VALID [2020-07-28 20:17:29,350 INFO L280 TraceCheckUtils]: 17: Hoare triple {1481#false} [278] L919-1-->thread1EXIT: Formula: (and (= 0 |v_thread1Thread1of1ForFork0_#res.offset_5|) (= 0 |v_thread1Thread1of1ForFork0_#res.base_5|) (= (store |v_#pthreadsMutex_158| |v_~#m~0.base_70| (store (select |v_#pthreadsMutex_158| |v_~#m~0.base_70|) |v_~#m~0.offset_70| 0)) |v_#pthreadsMutex_157|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_158|, ~#m~0.base=|v_~#m~0.base_70|, ~#m~0.offset=|v_~#m~0.offset_70|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_157|, ~#m~0.base=|v_~#m~0.base_70|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_5|, ~#m~0.offset=|v_~#m~0.offset_70|, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_26|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#res.offset] {1481#false} is VALID [2020-07-28 20:17:29,350 INFO L280 TraceCheckUtils]: 18: Hoare triple {1481#false} [236] thread1EXIT-->L944-2: Formula: (= |v_ULTIMATE.start_main_#t~mem39_7| v_thread1Thread1of1ForFork0_thidvar0_6) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_6, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_7|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_6, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_7|} AuxVars[] AssignedVars[] {1481#false} is VALID [2020-07-28 20:17:29,350 INFO L280 TraceCheckUtils]: 19: Hoare triple {1481#false} [135] L944-2-->L945: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {1481#false} is VALID [2020-07-28 20:17:29,351 INFO L280 TraceCheckUtils]: 20: Hoare triple {1481#false} [260] L945-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~num~0_16)) InVars {~num~0=v_~num~0_16} OutVars{~num~0=v_~num~0_16} AuxVars[] AssignedVars[] {1481#false} is VALID [2020-07-28 20:17:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:17:29,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552962549] [2020-07-28 20:17:29,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:17:29,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 20:17:29,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184260093] [2020-07-28 20:17:29,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-07-28 20:17:29,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:17:29,360 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 20:17:29,401 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:29,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 20:17:29,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:17:29,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 20:17:29,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 20:17:29,402 INFO L87 Difference]: Start difference. First operand 197 states and 454 transitions. Second operand 5 states. [2020-07-28 20:17:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:29,608 INFO L93 Difference]: Finished difference Result 80 states and 137 transitions. [2020-07-28 20:17:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 20:17:29,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-07-28 20:17:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:17:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 20:17:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 20:17:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 20:17:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2020-07-28 20:17:29,614 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 45 transitions. [2020-07-28 20:17:29,667 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:29,668 INFO L225 Difference]: With dead ends: 80 [2020-07-28 20:17:29,669 INFO L226 Difference]: Without dead ends: 80 [2020-07-28 20:17:29,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-28 20:17:29,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-28 20:17:29,677 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,680 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,681 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,682 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,683 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,683 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,683 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,684 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,685 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,686 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,687 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,688 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,689 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,690 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,691 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,692 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,693 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,694 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,695 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,696 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,699 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,700 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,701 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,702 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,703 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,706 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,708 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,709 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-07-28 20:17:29,709 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:17:29,709 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2020-07-28 20:17:29,710 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-28 20:17:29,710 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-28 20:17:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:29,715 INFO L93 Difference]: Finished difference Result 80 states and 137 transitions. [2020-07-28 20:17:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2020-07-28 20:17:29,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:29,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:29,716 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-28 20:17:29,716 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-28 20:17:29,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:29,722 INFO L93 Difference]: Finished difference Result 80 states and 137 transitions. [2020-07-28 20:17:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2020-07-28 20:17:29,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:29,723 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:29,723 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:17:29,723 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:17:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 20:17:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 137 transitions. [2020-07-28 20:17:29,729 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 137 transitions. Word has length 21 [2020-07-28 20:17:29,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:17:29,729 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 137 transitions. [2020-07-28 20:17:29,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 20:17:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2020-07-28 20:17:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-28 20:17:29,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:17:29,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:17:29,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 20:17:29,731 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:17:29,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:17:29,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2113878624, now seen corresponding path program 2 times [2020-07-28 20:17:29,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:17:29,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129672917] [2020-07-28 20:17:29,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:17:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:17:29,885 INFO L280 TraceCheckUtils]: 0: Hoare triple {1889#true} [304] ULTIMATE.startENTRY-->L941-1: Formula: (let ((.cse4 (store |v_#valid_77| 0 0))) (let ((.cse3 (store .cse4 |v_~#m~0.base_114| 1))) (let ((.cse6 (store .cse3 |v_~#empty~0.base_23| 1))) (let ((.cse7 (store .cse6 |v_~#full~0.base_22| 1))) (let ((.cse5 (store .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24| 1)) (.cse1 (select |v_#memory_int_64| |v_~#empty~0.base_23|)) (.cse0 (select |v_#memory_int_64| |v_~#full~0.base_22|)) (.cse2 (select |v_#memory_int_64| |v_~#m~0.base_114|))) (and (= 0 |v_ULTIMATE.start_main_~#t2~0.offset_18|) (= v_~num~0_112 1) (= 0 |v_#NULL.base_5|) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 28))) (= (select .cse0 (+ |v_~#full~0.offset_22| 12)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 28))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 20))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 16))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 12))) (< |v_#StackHeapBarrier_27| |v_~#m~0.base_114|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 8))) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t2~0.base_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 12))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 4))) (= 0 (select .cse3 |v_~#empty~0.base_23|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 8))) (= 0 (select .cse1 |v_~#empty~0.offset_23|)) (< 0 |v_#StackHeapBarrier_27|) (< |v_#StackHeapBarrier_27| |v_~#full~0.base_22|) (= 0 (select .cse4 |v_~#m~0.base_114|)) (= (store |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24| (store (select |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24|) |v_ULTIMATE.start_main_~#t1~0.offset_20| 0)) |v_#memory_int_63|) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 16))) (= 0 |v_~#full~0.offset_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 16))) (< |v_#StackHeapBarrier_27| |v_~#empty~0.base_23|) (= 0 (select .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22|)) (= (select .cse0 |v_~#full~0.offset_22|) 0) (= (store |v_#pthreadsMutex_267| |v_~#m~0.base_114| (store (select |v_#pthreadsMutex_267| |v_~#m~0.base_114|) |v_~#m~0.offset_114| 0)) |v_#pthreadsMutex_266|) (= (select .cse1 (+ |v_~#empty~0.offset_23| 8)) 0) (= 0 |v_~#empty~0.offset_23|) (= (store .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22| 1) |v_#valid_75|) (= (store (store (store (store (store |v_#length_52| |v_~#m~0.base_114| 24) |v_~#empty~0.base_23| 48) |v_~#full~0.base_22| 48) |v_ULTIMATE.start_main_~#t1~0.base_24| 4) |v_ULTIMATE.start_main_~#t2~0.base_22| 4) |v_#length_50|) (= 0 |v_~#m~0.offset_114|) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t1~0.base_24|) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t1~0.offset_20|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 4))) (= (select .cse0 (+ |v_~#full~0.offset_22| 24)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 24))) (= (select .cse6 |v_~#full~0.base_22|) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 4))) (= 0 (select .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 20))) (= 0 (select .cse2 |v_~#m~0.offset_114|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_267|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, #valid=|v_#valid_77|, #memory_int=|v_#memory_int_64|, #length=|v_#length_52|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_266|, ~#full~0.base=|v_~#full~0.base_22|, ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_8|, ~#empty~0.offset=|v_~#empty~0.offset_23|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_18|, #NULL.offset=|v_#NULL.offset_5|, ~num~0=v_~num~0_112, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_24|, ~#m~0.base=|v_~#m~0.base_114|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, ~#m~0.offset=|v_~#m~0.offset_114|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, #valid=|v_#valid_75|, #memory_int=|v_#memory_int_63|, ~#empty~0.base=|v_~#empty~0.base_23|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_8|, #length=|v_#length_50|, ~#full~0.offset=|v_~#full~0.offset_22|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_20|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_22|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_12|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_13|} AuxVars[] AssignedVars[#pthreadsMutex, ~#full~0.base, ULTIMATE.start_main_#t~nondet36, ~#empty~0.offset, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ~num~0, #NULL.base, ULTIMATE.start_main_~#t1~0.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ~#empty~0.base, ULTIMATE.start_main_#t~nondet37, #length, ~#full~0.offset, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_#t~mem39, ULTIMATE.start_main_#t~mem38] {1891#(= 1 ~num~0)} is VALID [2020-07-28 20:17:29,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {1891#(= 1 ~num~0)} [230] L941-1-->thread1ENTRY: Formula: (and (= 0 v_thread1Thread1of1ForFork0_thidvar0_2) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_3|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_3|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_5|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_4|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_3|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_3|, thread1Thread1of1ForFork0_#t~nondet31=|v_thread1Thread1of1ForFork0_#t~nondet31_4|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#in~arg.base, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_#in~arg.offset, thread1Thread1of1ForFork0_#t~nondet31] {1892#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= 1 ~num~0))} is VALID [2020-07-28 20:17:29,887 INFO L280 TraceCheckUtils]: 2: Hoare triple {1892#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= 1 ~num~0))} [251] L941-2-->L942-1: Formula: (= |v_#memory_int_32| (store |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1))) InVars {#memory_int=|v_#memory_int_33|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_4|, #memory_int=|v_#memory_int_32|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet36, #memory_int] {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,888 INFO L280 TraceCheckUtils]: 3: Hoare triple {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [232] L942-1-->thread2ENTRY: Formula: (and (= 1 v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.offset_3|) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_3|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_4|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_3, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_3|, thread2Thread1of1ForFork1_#t~nondet34=|v_thread2Thread1of1ForFork1_#t~nondet34_4|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_3, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_5|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_3|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_3|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#in~arg.offset, thread2Thread1of1ForFork1_#t~nondet34, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~post35, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#in~arg.base, thread2Thread1of1ForFork1_thidvar0] {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,889 INFO L280 TraceCheckUtils]: 4: Hoare triple {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [263] L942-2-->L943-1: Formula: (= |v_ULTIMATE.start_main_#t~mem38_9| (select (select |v_#memory_int_41| |v_ULTIMATE.start_main_~#t1~0.base_11|) |v_ULTIMATE.start_main_~#t1~0.offset_11|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_4|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet37, ULTIMATE.start_main_#t~mem38] {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,890 INFO L280 TraceCheckUtils]: 5: Hoare triple {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [283] thread2ENTRY-->L927-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_172| |v_~#m~0.base_76|))) (and (= (select .cse0 |v_~#m~0.offset_76|) 0) (= v_thread2Thread1of1ForFork1_~arg.base_11 |v_thread2Thread1of1ForFork1_#in~arg.base_11|) (= |v_#pthreadsMutex_171| (store |v_#pthreadsMutex_172| |v_~#m~0.base_76| (store .cse0 |v_~#m~0.offset_76| 1))) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_11| v_thread2Thread1of1ForFork1_~arg.offset_11))) InVars {#pthreadsMutex=|v_#pthreadsMutex_172|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_171|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_14|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_11, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_11, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} AuxVars[] AssignedVars[#pthreadsMutex, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset] {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,891 INFO L280 TraceCheckUtils]: 6: Hoare triple {1893#(and (= 0 thread1Thread1of1ForFork0_thidvar0) (= ~num~0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [218] L927-2-->L927-3: Formula: (not (= 0 v_~num~0_5)) InVars {~num~0=v_~num~0_5} OutVars{~num~0=v_~num~0_5} AuxVars[] AssignedVars[] {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,891 INFO L280 TraceCheckUtils]: 7: Hoare triple {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [220] L927-3-->L929: Formula: (= |v_thread2Thread1of1ForFork1_#t~post35_1| v_~num~0_7) InVars {~num~0=v_~num~0_7} OutVars{~num~0=v_~num~0_7, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post35] {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,892 INFO L280 TraceCheckUtils]: 8: Hoare triple {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [222] L929-->L929-1: Formula: (= v_~num~0_8 (+ |v_thread2Thread1of1ForFork1_#t~post35_2| (- 1))) InVars {thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_2|} OutVars{~num~0=v_~num~0_8, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_2|} AuxVars[] AssignedVars[~num~0] {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,892 INFO L280 TraceCheckUtils]: 9: Hoare triple {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [270] L929-1-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork1_#res.offset_5| 0) (= (store |v_#pthreadsMutex_132| |v_~#m~0.base_59| (store (select |v_#pthreadsMutex_132| |v_~#m~0.base_59|) |v_~#m~0.offset_59| 0)) |v_#pthreadsMutex_131|) (= 0 |v_thread2Thread1of1ForFork1_#res.base_5|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_132|, ~#m~0.base=|v_~#m~0.base_59|, ~#m~0.offset=|v_~#m~0.offset_59|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_5|, #pthreadsMutex=|v_#pthreadsMutex_131|, ~#m~0.base=|v_~#m~0.base_59|, ~#m~0.offset=|v_~#m~0.offset_59|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_5|, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_22|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, #pthreadsMutex, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~post35] {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,893 INFO L280 TraceCheckUtils]: 10: Hoare triple {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [233] thread2EXIT-->L943-2: Formula: (= |v_ULTIMATE.start_main_#t~mem38_5| v_thread2Thread1of1ForFork1_thidvar0_4) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_5|} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_5|} AuxVars[] AssignedVars[] {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,893 INFO L280 TraceCheckUtils]: 11: Hoare triple {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [117] L943-2-->L944: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem38] {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} is VALID [2020-07-28 20:17:29,894 INFO L280 TraceCheckUtils]: 12: Hoare triple {1894#(not (= thread1Thread1of1ForFork0_thidvar0 (select (select |#memory_int| |ULTIMATE.start_main_~#t2~0.base|) |ULTIMATE.start_main_~#t2~0.offset|)))} [147] L944-->L944-1: Formula: (= (select (select |v_#memory_int_27| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|) |v_ULTIMATE.start_main_#t~mem39_2|) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_2|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} is VALID [2020-07-28 20:17:29,894 INFO L280 TraceCheckUtils]: 13: Hoare triple {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} [285] thread1ENTRY-->L917-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_180| |v_~#m~0.base_79|))) (and (= (store |v_#pthreadsMutex_180| |v_~#m~0.base_79| (store .cse0 |v_~#m~0.offset_79| 1)) |v_#pthreadsMutex_179|) (= 0 (select .cse0 |v_~#m~0.offset_79|)) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_7| v_thread1Thread1of1ForFork0_~arg.offset_7) (= |v_thread1Thread1of1ForFork0_#in~arg.base_7| v_thread1Thread1of1ForFork0_~arg.base_7))) InVars {#pthreadsMutex=|v_#pthreadsMutex_180|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_179|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_7, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_7, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_16|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30] {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} is VALID [2020-07-28 20:17:29,895 INFO L280 TraceCheckUtils]: 14: Hoare triple {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} [203] L917-2-->L917-3: Formula: (not (< 0 v_~num~0_1)) InVars {~num~0=v_~num~0_1} OutVars{~num~0=v_~num~0_1} AuxVars[] AssignedVars[] {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} is VALID [2020-07-28 20:17:29,896 INFO L280 TraceCheckUtils]: 15: Hoare triple {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} [205] L917-3-->L919: Formula: (= |v_thread1Thread1of1ForFork0_#t~post32_1| v_~num~0_3) InVars {~num~0=v_~num~0_3} OutVars{~num~0=v_~num~0_3, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post32] {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} is VALID [2020-07-28 20:17:29,899 INFO L280 TraceCheckUtils]: 16: Hoare triple {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} [207] L919-->L919-1: Formula: (= v_~num~0_4 (+ |v_thread1Thread1of1ForFork0_#t~post32_2| 1)) InVars {thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_2|} OutVars{~num~0=v_~num~0_4, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_2|} AuxVars[] AssignedVars[~num~0] {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} is VALID [2020-07-28 20:17:29,900 INFO L280 TraceCheckUtils]: 17: Hoare triple {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} [278] L919-1-->thread1EXIT: Formula: (and (= 0 |v_thread1Thread1of1ForFork0_#res.offset_5|) (= 0 |v_thread1Thread1of1ForFork0_#res.base_5|) (= (store |v_#pthreadsMutex_158| |v_~#m~0.base_70| (store (select |v_#pthreadsMutex_158| |v_~#m~0.base_70|) |v_~#m~0.offset_70| 0)) |v_#pthreadsMutex_157|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_158|, ~#m~0.base=|v_~#m~0.base_70|, ~#m~0.offset=|v_~#m~0.offset_70|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_157|, ~#m~0.base=|v_~#m~0.base_70|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_5|, ~#m~0.offset=|v_~#m~0.offset_70|, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_26|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#res.offset] {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} is VALID [2020-07-28 20:17:29,900 INFO L280 TraceCheckUtils]: 18: Hoare triple {1895#(not (= |ULTIMATE.start_main_#t~mem39| thread1Thread1of1ForFork0_thidvar0))} [236] thread1EXIT-->L944-2: Formula: (= |v_ULTIMATE.start_main_#t~mem39_7| v_thread1Thread1of1ForFork0_thidvar0_6) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_6, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_7|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_6, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_7|} AuxVars[] AssignedVars[] {1890#false} is VALID [2020-07-28 20:17:29,901 INFO L280 TraceCheckUtils]: 19: Hoare triple {1890#false} [135] L944-2-->L945: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {1890#false} is VALID [2020-07-28 20:17:29,901 INFO L280 TraceCheckUtils]: 20: Hoare triple {1890#false} [260] L945-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~num~0_16)) InVars {~num~0=v_~num~0_16} OutVars{~num~0=v_~num~0_16} AuxVars[] AssignedVars[] {1890#false} is VALID [2020-07-28 20:17:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:17:29,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129672917] [2020-07-28 20:17:29,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:17:29,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 20:17:29,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751841435] [2020-07-28 20:17:29,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-07-28 20:17:29,904 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:17:29,904 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 20:17:29,933 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:29,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 20:17:29,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:17:29,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 20:17:29,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-28 20:17:29,935 INFO L87 Difference]: Start difference. First operand 80 states and 137 transitions. Second operand 7 states. [2020-07-28 20:17:30,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:30,209 INFO L93 Difference]: Finished difference Result 80 states and 136 transitions. [2020-07-28 20:17:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 20:17:30,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-07-28 20:17:30,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:17:30,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 20:17:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2020-07-28 20:17:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 20:17:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2020-07-28 20:17:30,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 43 transitions. [2020-07-28 20:17:30,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:30,275 INFO L225 Difference]: With dead ends: 80 [2020-07-28 20:17:30,275 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 20:17:30,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-28 20:17:30,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 20:17:30,278 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,279 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,280 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,283 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,284 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,285 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,286 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,287 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,288 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,289 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,290 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,291 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,292 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,294 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,295 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,296 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:17:30,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-28 20:17:30,297 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:17:30,297 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-28 20:17:30,297 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 20:17:30,297 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 20:17:30,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:30,300 INFO L93 Difference]: Finished difference Result 56 states and 88 transitions. [2020-07-28 20:17:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2020-07-28 20:17:30,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:30,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:30,301 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-28 20:17:30,302 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-28 20:17:30,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:30,304 INFO L93 Difference]: Finished difference Result 56 states and 88 transitions. [2020-07-28 20:17:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2020-07-28 20:17:30,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:30,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:30,305 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:17:30,305 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:17:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 20:17:30,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 88 transitions. [2020-07-28 20:17:30,308 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 88 transitions. Word has length 21 [2020-07-28 20:17:30,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:17:30,308 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 88 transitions. [2020-07-28 20:17:30,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 20:17:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions. [2020-07-28 20:17:30,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-28 20:17:30,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:17:30,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:17:30,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 20:17:30,310 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:17:30,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:17:30,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1774524060, now seen corresponding path program 1 times [2020-07-28 20:17:30,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:17:30,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537654033] [2020-07-28 20:17:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:17:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:17:30,500 INFO L280 TraceCheckUtils]: 0: Hoare triple {2206#true} [304] ULTIMATE.startENTRY-->L941-1: Formula: (let ((.cse4 (store |v_#valid_77| 0 0))) (let ((.cse3 (store .cse4 |v_~#m~0.base_114| 1))) (let ((.cse6 (store .cse3 |v_~#empty~0.base_23| 1))) (let ((.cse7 (store .cse6 |v_~#full~0.base_22| 1))) (let ((.cse5 (store .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24| 1)) (.cse1 (select |v_#memory_int_64| |v_~#empty~0.base_23|)) (.cse0 (select |v_#memory_int_64| |v_~#full~0.base_22|)) (.cse2 (select |v_#memory_int_64| |v_~#m~0.base_114|))) (and (= 0 |v_ULTIMATE.start_main_~#t2~0.offset_18|) (= v_~num~0_112 1) (= 0 |v_#NULL.base_5|) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 28))) (= (select .cse0 (+ |v_~#full~0.offset_22| 12)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 28))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 20))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 16))) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 12))) (< |v_#StackHeapBarrier_27| |v_~#m~0.base_114|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 8))) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t2~0.base_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 12))) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 4))) (= 0 (select .cse3 |v_~#empty~0.base_23|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 8))) (= 0 (select .cse1 |v_~#empty~0.offset_23|)) (< 0 |v_#StackHeapBarrier_27|) (< |v_#StackHeapBarrier_27| |v_~#full~0.base_22|) (= 0 (select .cse4 |v_~#m~0.base_114|)) (= (store |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24| (store (select |v_#memory_int_64| |v_ULTIMATE.start_main_~#t1~0.base_24|) |v_ULTIMATE.start_main_~#t1~0.offset_20| 0)) |v_#memory_int_63|) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 16))) (= 0 |v_~#full~0.offset_22|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 16))) (< |v_#StackHeapBarrier_27| |v_~#empty~0.base_23|) (= 0 (select .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22|)) (= (select .cse0 |v_~#full~0.offset_22|) 0) (= (store |v_#pthreadsMutex_267| |v_~#m~0.base_114| (store (select |v_#pthreadsMutex_267| |v_~#m~0.base_114|) |v_~#m~0.offset_114| 0)) |v_#pthreadsMutex_266|) (= (select .cse1 (+ |v_~#empty~0.offset_23| 8)) 0) (= 0 |v_~#empty~0.offset_23|) (= (store .cse5 |v_ULTIMATE.start_main_~#t2~0.base_22| 1) |v_#valid_75|) (= (store (store (store (store (store |v_#length_52| |v_~#m~0.base_114| 24) |v_~#empty~0.base_23| 48) |v_~#full~0.base_22| 48) |v_ULTIMATE.start_main_~#t1~0.base_24| 4) |v_ULTIMATE.start_main_~#t2~0.base_22| 4) |v_#length_50|) (= 0 |v_~#m~0.offset_114|) (< |v_#StackHeapBarrier_27| |v_ULTIMATE.start_main_~#t1~0.base_24|) (= 0 |v_#NULL.offset_5|) (= 0 |v_ULTIMATE.start_main_~#t1~0.offset_20|) (= 0 (select .cse2 (+ |v_~#m~0.offset_114| 4))) (= (select .cse0 (+ |v_~#full~0.offset_22| 24)) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 24))) (= (select .cse6 |v_~#full~0.base_22|) 0) (= 0 (select .cse1 (+ |v_~#empty~0.offset_23| 4))) (= 0 (select .cse7 |v_ULTIMATE.start_main_~#t1~0.base_24|)) (= 0 (select .cse0 (+ |v_~#full~0.offset_22| 20))) (= 0 (select .cse2 |v_~#m~0.offset_114|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_267|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, #valid=|v_#valid_77|, #memory_int=|v_#memory_int_64|, #length=|v_#length_52|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_266|, ~#full~0.base=|v_~#full~0.base_22|, ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_8|, ~#empty~0.offset=|v_~#empty~0.offset_23|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_18|, #NULL.offset=|v_#NULL.offset_5|, ~num~0=v_~num~0_112, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_24|, ~#m~0.base=|v_~#m~0.base_114|, #StackHeapBarrier=|v_#StackHeapBarrier_27|, ~#m~0.offset=|v_~#m~0.offset_114|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, #valid=|v_#valid_75|, #memory_int=|v_#memory_int_63|, ~#empty~0.base=|v_~#empty~0.base_23|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_8|, #length=|v_#length_50|, ~#full~0.offset=|v_~#full~0.offset_22|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_20|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_22|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_12|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_13|} AuxVars[] AssignedVars[#pthreadsMutex, ~#full~0.base, ULTIMATE.start_main_#t~nondet36, ~#empty~0.offset, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ~num~0, #NULL.base, ULTIMATE.start_main_~#t1~0.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ~#empty~0.base, ULTIMATE.start_main_#t~nondet37, #length, ~#full~0.offset, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_#t~mem39, ULTIMATE.start_main_#t~mem38] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,501 INFO L280 TraceCheckUtils]: 1: Hoare triple {2208#(= 1 ~num~0)} [230] L941-1-->thread1ENTRY: Formula: (and (= 0 v_thread1Thread1of1ForFork0_thidvar0_2) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.offset_3|) (= 0 |v_thread1Thread1of1ForFork0_#in~arg.base_3|)) InVars {} OutVars{thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_3|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_3|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_5|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_4|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_3|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_3|, thread1Thread1of1ForFork0_#t~nondet31=|v_thread1Thread1of1ForFork0_#t~nondet31_4|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#in~arg.base, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_#in~arg.offset, thread1Thread1of1ForFork0_#t~nondet31] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,501 INFO L280 TraceCheckUtils]: 2: Hoare triple {2208#(= 1 ~num~0)} [251] L941-2-->L942-1: Formula: (= |v_#memory_int_32| (store |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_33| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1))) InVars {#memory_int=|v_#memory_int_33|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{ULTIMATE.start_main_#t~nondet36=|v_ULTIMATE.start_main_#t~nondet36_4|, #memory_int=|v_#memory_int_32|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet36, #memory_int] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,502 INFO L280 TraceCheckUtils]: 3: Hoare triple {2208#(= 1 ~num~0)} [232] L942-1-->thread2ENTRY: Formula: (and (= 1 v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.offset_3|) (= 0 |v_thread2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_3|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_4|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_3, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_3|, thread2Thread1of1ForFork1_#t~nondet34=|v_thread2Thread1of1ForFork1_#t~nondet34_4|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_3, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_5|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_3|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_3|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#in~arg.offset, thread2Thread1of1ForFork1_#t~nondet34, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~post35, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#in~arg.base, thread2Thread1of1ForFork1_thidvar0] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,503 INFO L280 TraceCheckUtils]: 4: Hoare triple {2208#(= 1 ~num~0)} [263] L942-2-->L943-1: Formula: (= |v_ULTIMATE.start_main_#t~mem38_9| (select (select |v_#memory_int_41| |v_ULTIMATE.start_main_~#t1~0.base_11|) |v_ULTIMATE.start_main_~#t1~0.offset_11|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_41|, ULTIMATE.start_main_#t~nondet37=|v_ULTIMATE.start_main_#t~nondet37_4|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet37, ULTIMATE.start_main_#t~mem38] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,504 INFO L280 TraceCheckUtils]: 5: Hoare triple {2208#(= 1 ~num~0)} [283] thread2ENTRY-->L927-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_172| |v_~#m~0.base_76|))) (and (= (select .cse0 |v_~#m~0.offset_76|) 0) (= v_thread2Thread1of1ForFork1_~arg.base_11 |v_thread2Thread1of1ForFork1_#in~arg.base_11|) (= |v_#pthreadsMutex_171| (store |v_#pthreadsMutex_172| |v_~#m~0.base_76| (store .cse0 |v_~#m~0.offset_76| 1))) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_11| v_thread2Thread1of1ForFork1_~arg.offset_11))) InVars {#pthreadsMutex=|v_#pthreadsMutex_172|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_171|, thread2Thread1of1ForFork1_#t~nondet33=|v_thread2Thread1of1ForFork1_#t~nondet33_14|, ~#m~0.base=|v_~#m~0.base_76|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_11|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_11, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_11, ~#m~0.offset=|v_~#m~0.offset_76|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_11|} AuxVars[] AssignedVars[#pthreadsMutex, thread2Thread1of1ForFork1_#t~nondet33, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,504 INFO L280 TraceCheckUtils]: 6: Hoare triple {2208#(= 1 ~num~0)} [218] L927-2-->L927-3: Formula: (not (= 0 v_~num~0_5)) InVars {~num~0=v_~num~0_5} OutVars{~num~0=v_~num~0_5} AuxVars[] AssignedVars[] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,505 INFO L280 TraceCheckUtils]: 7: Hoare triple {2208#(= 1 ~num~0)} [220] L927-3-->L929: Formula: (= |v_thread2Thread1of1ForFork1_#t~post35_1| v_~num~0_7) InVars {~num~0=v_~num~0_7} OutVars{~num~0=v_~num~0_7, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post35] {2209#(= 1 |thread2Thread1of1ForFork1_#t~post35|)} is VALID [2020-07-28 20:17:30,506 INFO L280 TraceCheckUtils]: 8: Hoare triple {2209#(= 1 |thread2Thread1of1ForFork1_#t~post35|)} [222] L929-->L929-1: Formula: (= v_~num~0_8 (+ |v_thread2Thread1of1ForFork1_#t~post35_2| (- 1))) InVars {thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_2|} OutVars{~num~0=v_~num~0_8, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_2|} AuxVars[] AssignedVars[~num~0] {2210#(<= 0 ~num~0)} is VALID [2020-07-28 20:17:30,507 INFO L280 TraceCheckUtils]: 9: Hoare triple {2210#(<= 0 ~num~0)} [270] L929-1-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork1_#res.offset_5| 0) (= (store |v_#pthreadsMutex_132| |v_~#m~0.base_59| (store (select |v_#pthreadsMutex_132| |v_~#m~0.base_59|) |v_~#m~0.offset_59| 0)) |v_#pthreadsMutex_131|) (= 0 |v_thread2Thread1of1ForFork1_#res.base_5|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_132|, ~#m~0.base=|v_~#m~0.base_59|, ~#m~0.offset=|v_~#m~0.offset_59|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_5|, #pthreadsMutex=|v_#pthreadsMutex_131|, ~#m~0.base=|v_~#m~0.base_59|, ~#m~0.offset=|v_~#m~0.offset_59|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_5|, thread2Thread1of1ForFork1_#t~post35=|v_thread2Thread1of1ForFork1_#t~post35_22|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, #pthreadsMutex, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~post35] {2210#(<= 0 ~num~0)} is VALID [2020-07-28 20:17:30,508 INFO L280 TraceCheckUtils]: 10: Hoare triple {2210#(<= 0 ~num~0)} [285] thread1ENTRY-->L917-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_180| |v_~#m~0.base_79|))) (and (= (store |v_#pthreadsMutex_180| |v_~#m~0.base_79| (store .cse0 |v_~#m~0.offset_79| 1)) |v_#pthreadsMutex_179|) (= 0 (select .cse0 |v_~#m~0.offset_79|)) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_7| v_thread1Thread1of1ForFork0_~arg.offset_7) (= |v_thread1Thread1of1ForFork0_#in~arg.base_7| v_thread1Thread1of1ForFork0_~arg.base_7))) InVars {#pthreadsMutex=|v_#pthreadsMutex_180|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_179|, ~#m~0.base=|v_~#m~0.base_79|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_7|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_7, ~#m~0.offset=|v_~#m~0.offset_79|, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_7, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_16|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_7|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30] {2210#(<= 0 ~num~0)} is VALID [2020-07-28 20:17:30,509 INFO L280 TraceCheckUtils]: 11: Hoare triple {2210#(<= 0 ~num~0)} [203] L917-2-->L917-3: Formula: (not (< 0 v_~num~0_1)) InVars {~num~0=v_~num~0_1} OutVars{~num~0=v_~num~0_1} AuxVars[] AssignedVars[] {2211#(and (<= ~num~0 0) (<= 0 ~num~0))} is VALID [2020-07-28 20:17:30,510 INFO L280 TraceCheckUtils]: 12: Hoare triple {2211#(and (<= ~num~0 0) (<= 0 ~num~0))} [205] L917-3-->L919: Formula: (= |v_thread1Thread1of1ForFork0_#t~post32_1| v_~num~0_3) InVars {~num~0=v_~num~0_3} OutVars{~num~0=v_~num~0_3, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post32] {2212#(and (<= |thread1Thread1of1ForFork0_#t~post32| 0) (<= 0 |thread1Thread1of1ForFork0_#t~post32|))} is VALID [2020-07-28 20:17:30,511 INFO L280 TraceCheckUtils]: 13: Hoare triple {2212#(and (<= |thread1Thread1of1ForFork0_#t~post32| 0) (<= 0 |thread1Thread1of1ForFork0_#t~post32|))} [207] L919-->L919-1: Formula: (= v_~num~0_4 (+ |v_thread1Thread1of1ForFork0_#t~post32_2| 1)) InVars {thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_2|} OutVars{~num~0=v_~num~0_4, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_2|} AuxVars[] AssignedVars[~num~0] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,512 INFO L280 TraceCheckUtils]: 14: Hoare triple {2208#(= 1 ~num~0)} [278] L919-1-->thread1EXIT: Formula: (and (= 0 |v_thread1Thread1of1ForFork0_#res.offset_5|) (= 0 |v_thread1Thread1of1ForFork0_#res.base_5|) (= (store |v_#pthreadsMutex_158| |v_~#m~0.base_70| (store (select |v_#pthreadsMutex_158| |v_~#m~0.base_70|) |v_~#m~0.offset_70| 0)) |v_#pthreadsMutex_157|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_158|, ~#m~0.base=|v_~#m~0.base_70|, ~#m~0.offset=|v_~#m~0.offset_70|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_157|, ~#m~0.base=|v_~#m~0.base_70|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_5|, ~#m~0.offset=|v_~#m~0.offset_70|, thread1Thread1of1ForFork0_#t~post32=|v_thread1Thread1of1ForFork0_#t~post32_26|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post32, thread1Thread1of1ForFork0_#res.offset] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,512 INFO L280 TraceCheckUtils]: 15: Hoare triple {2208#(= 1 ~num~0)} [234] thread1EXIT-->L943-2: Formula: (= |v_ULTIMATE.start_main_#t~mem38_7| v_thread1Thread1of1ForFork0_thidvar0_4) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_7|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_7|} AuxVars[] AssignedVars[] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,513 INFO L280 TraceCheckUtils]: 16: Hoare triple {2208#(= 1 ~num~0)} [117] L943-2-->L944: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem38=|v_ULTIMATE.start_main_#t~mem38_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem38] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,514 INFO L280 TraceCheckUtils]: 17: Hoare triple {2208#(= 1 ~num~0)} [147] L944-->L944-1: Formula: (= (select (select |v_#memory_int_27| |v_ULTIMATE.start_main_~#t2~0.base_4|) |v_ULTIMATE.start_main_~#t2~0.offset_4|) |v_ULTIMATE.start_main_#t~mem39_2|) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} OutVars{ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_4|, #memory_int=|v_#memory_int_27|, ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_2|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,514 INFO L280 TraceCheckUtils]: 18: Hoare triple {2208#(= 1 ~num~0)} [235] thread2EXIT-->L944-2: Formula: (= |v_ULTIMATE.start_main_#t~mem39_5| v_thread2Thread1of1ForFork1_thidvar0_6) InVars {ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} OutVars{ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} AuxVars[] AssignedVars[] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,515 INFO L280 TraceCheckUtils]: 19: Hoare triple {2208#(= 1 ~num~0)} [135] L944-2-->L945: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem39=|v_ULTIMATE.start_main_#t~mem39_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem39] {2208#(= 1 ~num~0)} is VALID [2020-07-28 20:17:30,516 INFO L280 TraceCheckUtils]: 20: Hoare triple {2208#(= 1 ~num~0)} [260] L945-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (not (= 1 v_~num~0_16)) InVars {~num~0=v_~num~0_16} OutVars{~num~0=v_~num~0_16} AuxVars[] AssignedVars[] {2207#false} is VALID [2020-07-28 20:17:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:17:30,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537654033] [2020-07-28 20:17:30,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:17:30,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 20:17:30,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417555389] [2020-07-28 20:17:30,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-07-28 20:17:30,519 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:17:30,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 20:17:30,544 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:30,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 20:17:30,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:17:30,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 20:17:30,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 20:17:30,545 INFO L87 Difference]: Start difference. First operand 56 states and 88 transitions. Second operand 7 states. [2020-07-28 20:17:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:30,759 INFO L93 Difference]: Finished difference Result 53 states and 82 transitions. [2020-07-28 20:17:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 20:17:30,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-07-28 20:17:30,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:17:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 20:17:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 32 transitions. [2020-07-28 20:17:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 20:17:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 32 transitions. [2020-07-28 20:17:30,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 32 transitions. [2020-07-28 20:17:30,799 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:17:30,799 INFO L225 Difference]: With dead ends: 53 [2020-07-28 20:17:30,799 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 20:17:30,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-28 20:17:30,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 20:17:30,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 20:17:30,800 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:17:30,800 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 20:17:30,800 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 20:17:30,800 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 20:17:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:30,801 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 20:17:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:17:30,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:30,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:30,803 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 20:17:30,803 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 20:17:30,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:17:30,803 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 20:17:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:17:30,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:30,804 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:17:30,804 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:17:30,804 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:17:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 20:17:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 20:17:30,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-07-28 20:17:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:17:30,805 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 20:17:30,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 20:17:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 20:17:30,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:17:30,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 20:17:30,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 08:17:30 BasicIcfg [2020-07-28 20:17:30,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 20:17:30,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 20:17:30,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 20:17:30,814 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 20:17:30,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:17:23" (3/4) ... [2020-07-28 20:17:30,818 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 20:17:30,824 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2020-07-28 20:17:30,825 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2020-07-28 20:17:30,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-07-28 20:17:30,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 20:17:30,832 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 20:17:30,883 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 20:17:30,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 20:17:30,886 INFO L168 Benchmark]: Toolchain (without parser) took 8606.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -71.0 MB). Peak memory consumption was 231.5 MB. Max. memory is 11.5 GB. [2020-07-28 20:17:30,887 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:17:30,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 913.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 20:17:30,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 20:17:30,889 INFO L168 Benchmark]: Boogie Preprocessor took 56.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:17:30,889 INFO L168 Benchmark]: RCFGBuilder took 642.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2020-07-28 20:17:30,890 INFO L168 Benchmark]: TraceAbstraction took 6841.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.8 MB). Peak memory consumption was 178.5 MB. Max. memory is 11.5 GB. [2020-07-28 20:17:30,891 INFO L168 Benchmark]: Witness Printer took 70.38 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2020-07-28 20:17:30,894 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 913.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 642.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6841.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.8 MB). Peak memory consumption was 178.5 MB. Max. memory is 11.5 GB. * Witness Printer took 70.38 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.2s, 91 ProgramPointsBefore, 35 ProgramPointsAfterwards, 91 TransitionsBefore, 34 TransitionsAfterwards, 840 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 435 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 2359 CheckedPairsTotal, 67 TotalNumberOfCompositions - PositiveResult [Line: 947]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 107 SDtfs, 109 SDslu, 146 SDs, 0 SdLazy, 112 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 5116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...