./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/bigshot_s.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/bigshot_s.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9f172a17df4ef17f10c6b822660934ae26b9e18 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/bigshot_s.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9f172a17df4ef17f10c6b822660934ae26b9e18 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 02:42:36,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:42:36,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:42:36,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:42:36,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:42:36,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:42:36,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:42:36,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:42:36,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:42:36,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:42:36,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:42:36,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:42:36,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:42:36,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:42:36,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:42:36,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:42:36,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:42:36,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:42:36,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:42:36,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:42:36,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:42:36,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:42:36,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:42:36,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:42:36,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:42:36,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:42:36,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:42:36,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:42:36,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:42:36,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:42:36,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:42:36,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:42:36,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:42:36,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:42:36,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:42:36,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:42:36,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:42:36,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:42:36,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:42:36,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:42:36,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:42:36,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 02:42:36,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:42:36,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:42:36,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:42:36,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:42:36,979 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:42:36,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:42:36,980 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:42:36,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 02:42:36,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:42:36,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:42:36,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:42:36,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:42:36,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:42:36,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:42:36,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:42:36,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:42:36,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:42:36,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:42:36,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:42:36,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:42:36,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:42:36,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:42:36,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:42:36,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:42:36,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:42:36,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 02:42:36,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 02:42:36,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:42:36,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:42:36,987 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(reach_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 -> c9f172a17df4ef17f10c6b822660934ae26b9e18 [2020-10-20 02:42:37,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:42:37,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:42:37,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:42:37,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:42:37,253 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:42:37,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-10-20 02:42:37,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8d0cea96/2ebd3df8ecc04ca0a524c370adde1ce1/FLAGe74581ed6 [2020-10-20 02:42:37,991 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:42:37,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-10-20 02:42:38,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8d0cea96/2ebd3df8ecc04ca0a524c370adde1ce1/FLAGe74581ed6 [2020-10-20 02:42:38,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8d0cea96/2ebd3df8ecc04ca0a524c370adde1ce1 [2020-10-20 02:42:38,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:42:38,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:42:38,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:38,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:42:38,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:42:38,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:38" (1/1) ... [2020-10-20 02:42:38,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a73b901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:38, skipping insertion in model container [2020-10-20 02:42:38,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:38" (1/1) ... [2020-10-20 02:42:38,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:42:38,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:42:38,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:38,835 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:42:38,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:39,121 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:42:39,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39 WrapperNode [2020-10-20 02:42:39,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:39,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:39,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:42:39,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:42:39,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:39,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:42:39,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:42:39,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:42:39,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (1/1) ... [2020-10-20 02:42:39,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:42:39,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:42:39,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:42:39,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:42:39,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (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 [2020-10-20 02:42:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:42:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:42:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-20 02:42:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 02:42:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-20 02:42:39,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-20 02:42:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-20 02:42:39,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-20 02:42:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 02:42:39,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 02:42:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 02:42:39,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:42:39,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:42:39,330 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 02:42:39,735 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:42:39,735 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-20 02:42:39,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:39 BoogieIcfgContainer [2020-10-20 02:42:39,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 02:42:39,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 02:42:39,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 02:42:39,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 02:42:39,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 02:42:38" (1/3) ... [2020-10-20 02:42:39,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a22253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:39, skipping insertion in model container [2020-10-20 02:42:39,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:39" (2/3) ... [2020-10-20 02:42:39,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a22253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:39, skipping insertion in model container [2020-10-20 02:42:39,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:39" (3/3) ... [2020-10-20 02:42:39,747 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-10-20 02:42:39,760 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 02:42:39,760 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 02:42:39,767 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 02:42:39,768 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 02:42:39,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,797 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,797 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,797 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,798 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,798 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,799 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,799 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,799 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,800 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,801 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,801 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,803 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,803 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,805 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,805 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,805 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,805 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,806 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,806 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,806 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,807 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,807 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,807 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,821 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,821 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,821 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,828 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,829 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,829 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,830 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,830 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,830 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,846 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,847 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,848 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:39,862 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-20 02:42:39,874 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 02:42:39,890 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 02:42:39,890 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 02:42:39,891 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 02:42:39,891 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 02:42:39,891 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 02:42:39,891 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 02:42:39,891 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 02:42:39,891 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 02:42:39,904 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 02:42:39,907 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 79 transitions, 180 flow [2020-10-20 02:42:39,910 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 79 transitions, 180 flow [2020-10-20 02:42:39,912 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 79 transitions, 180 flow [2020-10-20 02:42:39,957 INFO L129 PetriNetUnfolder]: 6/75 cut-off events. [2020-10-20 02:42:39,957 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-20 02:42:39,961 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 75 events. 6/75 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-20 02:42:39,963 INFO L117 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-20 02:42:41,433 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-20 02:42:41,884 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-10-20 02:42:42,022 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-20 02:42:42,223 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-10-20 02:42:42,437 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-20 02:42:42,547 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-20 02:42:42,580 INFO L132 LiptonReduction]: Checked pairs total: 235 [2020-10-20 02:42:42,580 INFO L134 LiptonReduction]: Total number of compositions: 82 [2020-10-20 02:42:42,587 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-20 02:42:42,596 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-20 02:42:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-20 02:42:42,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 02:42:42,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:42,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:42,606 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:42,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:42,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1514158281, now seen corresponding path program 1 times [2020-10-20 02:42:42,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:42:42,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452618606] [2020-10-20 02:42:42,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:42:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:42:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:42:42,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452618606] [2020-10-20 02:42:42,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:42:42,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 02:42:42,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813746655] [2020-10-20 02:42:42,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 02:42:42,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 02:42:42,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 02:42:42,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:42,872 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-20 02:42:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:42:42,907 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-20 02:42:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 02:42:42,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-20 02:42:42,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:42:42,918 INFO L225 Difference]: With dead ends: 19 [2020-10-20 02:42:42,918 INFO L226 Difference]: Without dead ends: 18 [2020-10-20 02:42:42,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-20 02:42:42,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-20 02:42:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-20 02:42:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-20 02:42:42,951 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-20 02:42:42,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:42:42,951 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-20 02:42:42,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 02:42:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-20 02:42:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 02:42:42,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:42,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:42,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 02:42:42,953 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:42,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:42,954 INFO L82 PathProgramCache]: Analyzing trace with hash 305180444, now seen corresponding path program 1 times [2020-10-20 02:42:42,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 02:42:42,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022972807] [2020-10-20 02:42:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 02:42:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:42,994 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:43,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:43,053 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 02:42:43,053 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 02:42:43,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 02:42:43,056 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-20 02:42:43,056 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-20 02:42:43,063 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [282] [282] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#res.base_Out965302533| 0) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In965302533| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In965302533|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In965302533| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In965302533|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out965302533| 0) (= |thread2Thread1of1ForFork1_#res.offset_Out965302533| 0) (= (select (select |#memory_int_In965302533| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In965302533|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In965302533| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In965302533|)) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out965302533|) (= |#memory_int_Out965302533| (store |#memory_int_In965302533| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In965302533| (store (select |#memory_int_In965302533| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In965302533|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In965302533| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In965302533|) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out965302533|)))) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In965302533|, #memory_int=|#memory_int_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In965302533|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In965302533|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In965302533|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out965302533|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out965302533|, #memory_int=|#memory_int_Out965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In965302533|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out965302533|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-10-20 02:42:43,064 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [275] [275] L1118-->L1099: Formula: (let ((.cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1530752865| 1)) (.cse3 (= ~v~0.base_In1530752865 0)) (.cse2 (= ~v~0.offset_In1530752865 0))) (or (let ((.cse0 (not |ULTIMATE.start_main_#t~short13_Out1530752865|))) (and (or (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1530752865| 0)) (and .cse1 |ULTIMATE.start_main_#t~short13_Out1530752865|)) (or (not .cse2) (not .cse3)) (let ((.cse4 (= 66 |ULTIMATE.start_main_#t~mem12_Out1530752865|))) (or (and .cse4 |ULTIMATE.start_main_#t~short13_Out1530752865|) (and .cse0 (not .cse4)))) (= |ULTIMATE.start_main_#t~mem12_Out1530752865| (select (select |#memory_int_In1530752865| ~v~0.base_In1530752865) ~v~0.offset_In1530752865)))) (and (= |ULTIMATE.start_main_#t~mem12_In1530752865| |ULTIMATE.start_main_#t~mem12_Out1530752865|) .cse1 .cse3 |ULTIMATE.start_main_#t~short13_Out1530752865| .cse2))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In1530752865|, ~v~0.offset=~v~0.offset_In1530752865, #memory_int=|#memory_int_In1530752865|, ~v~0.base=~v~0.base_In1530752865} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out1530752865|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out1530752865, ~v~0.offset=~v~0.offset_In1530752865, #memory_int=|#memory_int_In1530752865|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out1530752865|, ~v~0.base=~v~0.base_In1530752865, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out1530752865|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-10-20 02:42:43,077 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,078 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,079 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,082 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,082 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,085 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,085 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,086 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,086 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,086 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,087 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,092 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,092 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,093 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,093 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,093 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,094 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,094 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,094 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:43,094 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,095 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:43,097 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:43,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 02:42:43 BasicIcfg [2020-10-20 02:42:43,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 02:42:43,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 02:42:43,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 02:42:43,133 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 02:42:43,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:39" (3/4) ... [2020-10-20 02:42:43,137 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 02:42:43,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 02:42:43,141 INFO L168 Benchmark]: Toolchain (without parser) took 4979.81 ms. Allocated memory was 42.5 MB in the beginning and 71.8 MB in the end (delta: 29.4 MB). Free memory was 20.5 MB in the beginning and 11.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,142 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 32.0 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.43 ms. Allocated memory was 42.5 MB in the beginning and 49.8 MB in the end (delta: 7.3 MB). Free memory was 19.5 MB in the beginning and 23.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.81 ms. Allocated memory is still 49.8 MB. Free memory was 23.2 MB in the beginning and 20.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,146 INFO L168 Benchmark]: Boogie Preprocessor took 32.34 ms. Allocated memory is still 49.8 MB. Free memory was 20.4 MB in the beginning and 18.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,148 INFO L168 Benchmark]: RCFGBuilder took 514.34 ms. Allocated memory is still 49.8 MB. Free memory was 18.8 MB in the beginning and 16.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,150 INFO L168 Benchmark]: TraceAbstraction took 3392.97 ms. Allocated memory was 49.8 MB in the beginning and 71.8 MB in the end (delta: 22.0 MB). Free memory was 16.0 MB in the beginning and 12.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,156 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 71.8 MB. Free memory was 12.1 MB in the beginning and 11.2 MB in the end (delta: 930.5 kB). Peak memory consumption was 930.5 kB. Max. memory is 14.3 GB. [2020-10-20 02:42:43,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 32.0 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 953.43 ms. Allocated memory was 42.5 MB in the beginning and 49.8 MB in the end (delta: 7.3 MB). Free memory was 19.5 MB in the beginning and 23.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 65.81 ms. Allocated memory is still 49.8 MB. Free memory was 23.2 MB in the beginning and 20.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.34 ms. Allocated memory is still 49.8 MB. Free memory was 20.4 MB in the beginning and 18.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 514.34 ms. Allocated memory is still 49.8 MB. Free memory was 18.8 MB in the beginning and 16.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3392.97 ms. Allocated memory was 49.8 MB in the beginning and 71.8 MB in the end (delta: 22.0 MB). Free memory was 16.0 MB in the beginning and 12.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 14.3 GB. * Witness Printer took 5.35 ms. Allocated memory is still 71.8 MB. Free memory was 12.1 MB in the beginning and 11.2 MB in the end (delta: 930.5 kB). Peak memory consumption was 930.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 76 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.6s, 78 PlacesBefore, 24 PlacesAfterwards, 79 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 82 TotalNumberOfCompositions, 235 MoverChecksTotal - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1108. Possible FailurePath: [L1100] 0 char *v; [L1113] 0 pthread_t t1, t2; [L1114] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1103] 1 v = malloc(sizeof(char) * 8) [L1104] 1 return 0; [L1115] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1115] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1116] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1117] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1108] COND TRUE 2 \read(*v) [L1108] CALL 2 strcpy(v, "Bigshot") [L1117] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1099] COND TRUE 0 !expression [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 02:42:45,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 02:42:45,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 02:42:45,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 02:42:45,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 02:42:45,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 02:42:45,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 02:42:45,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 02:42:45,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 02:42:45,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 02:42:45,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 02:42:45,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 02:42:45,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 02:42:45,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 02:42:45,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 02:42:45,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 02:42:45,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 02:42:45,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 02:42:45,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 02:42:45,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 02:42:45,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 02:42:45,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 02:42:45,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 02:42:45,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 02:42:45,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 02:42:45,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 02:42:45,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 02:42:45,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 02:42:45,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 02:42:45,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 02:42:45,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 02:42:45,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 02:42:45,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 02:42:45,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 02:42:45,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 02:42:45,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 02:42:45,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 02:42:45,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 02:42:45,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 02:42:45,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 02:42:45,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 02:42:45,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 02:42:45,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 02:42:45,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 02:42:45,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 02:42:45,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 02:42:45,488 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 02:42:45,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 02:42:45,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 02:42:45,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 02:42:45,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 02:42:45,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 02:42:45,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 02:42:45,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 02:42:45,490 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 02:42:45,490 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 02:42:45,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 02:42:45,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 02:42:45,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 02:42:45,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 02:42:45,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 02:42:45,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 02:42:45,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 02:42:45,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 02:42:45,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 02:42:45,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 02:42:45,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 02:42:45,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 02:42:45,493 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 02:42:45,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 02:42:45,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 02:42:45,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 02:42:45,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 02:42:45,494 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(reach_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 -> c9f172a17df4ef17f10c6b822660934ae26b9e18 [2020-10-20 02:42:45,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 02:42:45,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 02:42:45,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 02:42:45,725 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 02:42:45,726 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 02:42:45,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-10-20 02:42:45,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0a7f190/96bd022e00644b6aa0df00080d746d5c/FLAG575fc32c3 [2020-10-20 02:42:46,460 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 02:42:46,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-10-20 02:42:46,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0a7f190/96bd022e00644b6aa0df00080d746d5c/FLAG575fc32c3 [2020-10-20 02:42:46,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0a7f190/96bd022e00644b6aa0df00080d746d5c [2020-10-20 02:42:46,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 02:42:46,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 02:42:46,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:46,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 02:42:46,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 02:42:46,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:46" (1/1) ... [2020-10-20 02:42:46,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5e362c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:46, skipping insertion in model container [2020-10-20 02:42:46,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:42:46" (1/1) ... [2020-10-20 02:42:46,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 02:42:46,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 02:42:47,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:47,460 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 02:42:47,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 02:42:47,746 INFO L208 MainTranslator]: Completed translation [2020-10-20 02:42:47,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47 WrapperNode [2020-10-20 02:42:47,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 02:42:47,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:47,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 02:42:47,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 02:42:47,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 02:42:47,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 02:42:47,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 02:42:47,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 02:42:47,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (1/1) ... [2020-10-20 02:42:47,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 02:42:47,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 02:42:47,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 02:42:47,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 02:42:47,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (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 [2020-10-20 02:42:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-20 02:42:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 02:42:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 02:42:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 02:42:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 02:42:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 02:42:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-20 02:42:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-20 02:42:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-20 02:42:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-20 02:42:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-10-20 02:42:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 02:42:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 02:42:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 02:42:47,926 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-20 02:42:48,346 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 02:42:48,346 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-20 02:42:48,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:48 BoogieIcfgContainer [2020-10-20 02:42:48,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 02:42:48,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 02:42:48,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 02:42:48,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 02:42:48,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 02:42:46" (1/3) ... [2020-10-20 02:42:48,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72823ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:48, skipping insertion in model container [2020-10-20 02:42:48,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:42:47" (2/3) ... [2020-10-20 02:42:48,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72823ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 02:42:48, skipping insertion in model container [2020-10-20 02:42:48,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:48" (3/3) ... [2020-10-20 02:42:48,358 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-10-20 02:42:48,370 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-20 02:42:48,370 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 02:42:48,378 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 02:42:48,379 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-20 02:42:48,409 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,410 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,410 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,410 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,411 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,411 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,411 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,412 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,412 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,412 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,413 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,413 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,413 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,413 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,414 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,414 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,414 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,415 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,415 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,415 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,416 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,416 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,416 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,416 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,417 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,417 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,417 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,418 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,418 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,418 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,418 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,419 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,419 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,419 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,419 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,420 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,420 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,420 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,420 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,421 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,421 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,421 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,422 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,422 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,422 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,422 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,423 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,426 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,427 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,427 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,427 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,428 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,428 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,439 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,439 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,440 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,440 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,440 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,440 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,440 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,441 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,441 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,441 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,441 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-20 02:42:48,452 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-20 02:42:48,466 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 02:42:48,487 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 02:42:48,487 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 02:42:48,487 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 02:42:48,487 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 02:42:48,487 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 02:42:48,487 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 02:42:48,487 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 02:42:48,487 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 02:42:48,500 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-20 02:42:48,503 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 80 transitions, 182 flow [2020-10-20 02:42:48,505 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 80 transitions, 182 flow [2020-10-20 02:42:48,507 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 80 transitions, 182 flow [2020-10-20 02:42:48,552 INFO L129 PetriNetUnfolder]: 6/76 cut-off events. [2020-10-20 02:42:48,553 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-20 02:42:48,557 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 76 events. 6/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-20 02:42:48,559 INFO L117 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-20 02:42:50,521 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-20 02:42:51,401 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-20 02:42:51,865 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-20 02:42:52,252 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-20 02:42:52,400 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-10-20 02:42:52,534 INFO L132 LiptonReduction]: Checked pairs total: 235 [2020-10-20 02:42:52,535 INFO L134 LiptonReduction]: Total number of compositions: 83 [2020-10-20 02:42:52,542 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-20 02:42:52,548 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-20 02:42:52,550 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-20 02:42:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 02:42:52,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:52,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:52,557 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:52,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:52,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1675235872, now seen corresponding path program 1 times [2020-10-20 02:42:52,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 02:42:52,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187713313] [2020-10-20 02:42:52,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 02:42:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 02:42:52,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 02:42:52,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 02:42:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:42:52,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 02:42:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 02:42:52,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187713313] [2020-10-20 02:42:52,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 02:42:52,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-20 02:42:52,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061869260] [2020-10-20 02:42:52,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 02:42:52,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 02:42:52,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 02:42:52,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:52,766 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-20 02:42:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 02:42:52,817 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-20 02:42:52,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 02:42:52,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-20 02:42:52,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 02:42:52,826 INFO L225 Difference]: With dead ends: 19 [2020-10-20 02:42:52,827 INFO L226 Difference]: Without dead ends: 18 [2020-10-20 02:42:52,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 02:42:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-20 02:42:52,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-20 02:42:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-20 02:42:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-20 02:42:52,860 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-20 02:42:52,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 02:42:52,861 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-20 02:42:52,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 02:42:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-20 02:42:52,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 02:42:52,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 02:42:52,862 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 02:42:53,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 02:42:53,075 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 02:42:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 02:42:53,076 INFO L82 PathProgramCache]: Analyzing trace with hash -387655911, now seen corresponding path program 1 times [2020-10-20 02:42:53,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 02:42:53,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589647129] [2020-10-20 02:42:53,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 02:42:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:53,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 02:42:53,246 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 02:42:53,299 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 02:42:53,300 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 02:42:53,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 02:42:53,512 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-20 02:42:53,512 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-20 02:42:53,520 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [286] [286] L-1-6-->thread2EXIT: Formula: (and (= (store |#memory_int_In1926185448| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1926185448| (store (select |#memory_int_In1926185448| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1926185448|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1926185448| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1926185448|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1926185448|))) |#memory_int_Out1926185448|) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.base_Out1926185448|) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out1926185448|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1926185448| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1926185448|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1926185448| ((_ extract 7 0) (select (select |#memory_int_In1926185448| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1926185448|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1926185448| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1926185448|)))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1926185448| (_ bv0 8)) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1926185448| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1926185448|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1926185448|, #memory_int=|#memory_int_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1926185448|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1926185448|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1926185448|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out1926185448|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out1926185448|, #memory_int=|#memory_int_Out1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1926185448|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1926185448|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-10-20 02:42:53,521 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [278] [278] L1118-->L1099-1: Formula: (let ((.cse0 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1646968664| ULTIMATE.start___VERIFIER_assert_~expression_Out-1646968664)) (.cse3 (= (_ bv0 32) ~v~0.offset_In-1646968664)) (.cse2 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1646968664| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~v~0.base_In-1646968664))) (or (let ((.cse1 (not |ULTIMATE.start_main_#t~short13_Out-1646968664|))) (and .cse0 (or (and .cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1646968664| (_ bv0 32))) (and .cse2 |ULTIMATE.start_main_#t~short13_Out-1646968664|)) (or (not .cse3) (not .cse4)) (let ((.cse5 (= ((_ sign_extend 24) |ULTIMATE.start_main_#t~mem12_Out-1646968664|) (_ bv66 32)))) (or (and .cse5 |ULTIMATE.start_main_#t~short13_Out-1646968664|) (and .cse1 (not .cse5)))) (= ((_ extract 7 0) (select (select |#memory_int_In-1646968664| ~v~0.base_In-1646968664) ~v~0.offset_In-1646968664)) |ULTIMATE.start_main_#t~mem12_Out-1646968664|))) (and .cse0 .cse3 .cse2 |ULTIMATE.start_main_#t~short13_Out-1646968664| .cse4 (= |ULTIMATE.start_main_#t~mem12_In-1646968664| |ULTIMATE.start_main_#t~mem12_Out-1646968664|)))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In-1646968664|, ~v~0.offset=~v~0.offset_In-1646968664, #memory_int=|#memory_int_In-1646968664|, ~v~0.base=~v~0.base_In-1646968664} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out-1646968664|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1646968664, ~v~0.offset=~v~0.offset_In-1646968664, #memory_int=|#memory_int_In-1646968664|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out-1646968664|, ~v~0.base=~v~0.base_In-1646968664, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1646968664|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-10-20 02:42:53,541 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,545 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,546 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,546 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,546 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,546 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,547 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,547 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,547 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,548 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,554 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,554 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,555 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,555 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,555 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,556 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,556 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,556 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-20 02:42:53,557 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,557 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-20 02:42:53,560 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,561 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-20 02:42:53,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 02:42:53 BasicIcfg [2020-10-20 02:42:53,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 02:42:53,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 02:42:53,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 02:42:53,614 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 02:42:53,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 02:42:48" (3/4) ... [2020-10-20 02:42:53,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 02:42:53,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 02:42:53,624 INFO L168 Benchmark]: Toolchain (without parser) took 6874.51 ms. Allocated memory was 35.7 MB in the beginning and 78.1 MB in the end (delta: 42.5 MB). Free memory was 6.9 MB in the beginning and 54.3 MB in the end (delta: -47.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 02:42:53,625 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 35.1 MB. Free memory was 14.4 MB in the beginning and 14.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 978.21 ms. Allocated memory was 38.3 MB in the beginning and 51.9 MB in the end (delta: 13.6 MB). Free memory was 20.6 MB in the beginning and 19.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.78 ms. Allocated memory is still 51.9 MB. Free memory was 19.0 MB in the beginning and 16.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,629 INFO L168 Benchmark]: Boogie Preprocessor took 38.06 ms. Allocated memory is still 51.9 MB. Free memory was 16.2 MB in the beginning and 14.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,631 INFO L168 Benchmark]: RCFGBuilder took 506.03 ms. Allocated memory was 51.9 MB in the beginning and 55.6 MB in the end (delta: 3.7 MB). Free memory was 14.3 MB in the beginning and 31.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,638 INFO L168 Benchmark]: TraceAbstraction took 5263.53 ms. Allocated memory was 55.6 MB in the beginning and 78.1 MB in the end (delta: 22.5 MB). Free memory was 31.3 MB in the beginning and 54.3 MB in the end (delta: -23.0 MB). Peak memory consumption was 46.3 MB. Max. memory is 14.3 GB. [2020-10-20 02:42:53,638 INFO L168 Benchmark]: Witness Printer took 7.12 ms. Allocated memory is still 78.1 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 02:42:53,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 35.1 MB. Free memory was 14.4 MB in the beginning and 14.4 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 978.21 ms. Allocated memory was 38.3 MB in the beginning and 51.9 MB in the end (delta: 13.6 MB). Free memory was 20.6 MB in the beginning and 19.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 56.78 ms. Allocated memory is still 51.9 MB. Free memory was 19.0 MB in the beginning and 16.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.06 ms. Allocated memory is still 51.9 MB. Free memory was 16.2 MB in the beginning and 14.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 506.03 ms. Allocated memory was 51.9 MB in the beginning and 55.6 MB in the end (delta: 3.7 MB). Free memory was 14.3 MB in the beginning and 31.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 5263.53 ms. Allocated memory was 55.6 MB in the beginning and 78.1 MB in the end (delta: 22.5 MB). Free memory was 31.3 MB in the beginning and 54.3 MB in the end (delta: -23.0 MB). Peak memory consumption was 46.3 MB. Max. memory is 14.3 GB. * Witness Printer took 7.12 ms. Allocated memory is still 78.1 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 81 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 79 PlacesBefore, 24 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 83 TotalNumberOfCompositions, 235 MoverChecksTotal - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1108. Possible FailurePath: [L1100] 0 char *v; [L1113] 0 pthread_t t1, t2; [L1114] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1115] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1103] 1 v = malloc(sizeof(char) * 8) [L1104] 1 return 0; [L1115] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1116] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1117] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1108] COND TRUE 2 \read(*v) [L1108] CALL 2 strcpy(v, "Bigshot") [L1117] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1099] COND TRUE 0 !expression [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 14 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 1 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...