./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03831e02634bf49db572fc7aa4009e470a69eafb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:11:02,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:11:02,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:11:02,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:11:02,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:11:02,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:11:02,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:11:02,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:11:02,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:11:02,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:11:02,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:11:02,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:11:02,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:11:02,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:11:02,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:11:02,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:11:02,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:11:02,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:11:02,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:11:02,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:11:02,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:11:02,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:11:02,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:11:02,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:11:02,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:11:02,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:11:02,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:11:02,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:11:02,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:11:02,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:11:02,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:11:02,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:11:02,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:11:02,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:11:02,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:11:02,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:11:02,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:11:02,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:11:02,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:11:02,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:11:02,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:11:02,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:11:02,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:11:02,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:11:02,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:11:02,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:11:02,296 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:11:02,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:11:02,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:11:02,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:11:02,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:11:02,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:11:02,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:11:02,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:11:02,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:11:02,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:11:02,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:11:02,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:11:02,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:11:02,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:11:02,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:11:02,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:11:02,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:11:02,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:11:02,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:11:02,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:11:02,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:11:02,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:11:02,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:11:02,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:11:02,301 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03831e02634bf49db572fc7aa4009e470a69eafb [2019-11-15 22:11:02,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:11:02,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:11:02,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:11:02,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:11:02,359 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:11:02,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_p.i [2019-11-15 22:11:02,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/data/5bbb75e36/9bc3b8d7b1ee4b25bc2778ad0a238906/FLAG1be4b751e [2019-11-15 22:11:02,916 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:11:02,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/sv-benchmarks/c/pthread/bigshot_p.i [2019-11-15 22:11:02,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/data/5bbb75e36/9bc3b8d7b1ee4b25bc2778ad0a238906/FLAG1be4b751e [2019-11-15 22:11:03,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/data/5bbb75e36/9bc3b8d7b1ee4b25bc2778ad0a238906 [2019-11-15 22:11:03,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:11:03,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:11:03,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:11:03,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:11:03,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:11:03,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:11:03" (1/1) ... [2019-11-15 22:11:03,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8145f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:03, skipping insertion in model container [2019-11-15 22:11:03,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:11:03" (1/1) ... [2019-11-15 22:11:03,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:11:03,290 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:11:03,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:11:03,835 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:11:03,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:11:04,052 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:11:04,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04 WrapperNode [2019-11-15 22:11:04,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:11:04,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:11:04,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:11:04,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:11:04,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:11:04,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:11:04,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:11:04,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:11:04,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... [2019-11-15 22:11:04,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:11:04,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:11:04,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:11:04,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:11:04,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/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 [2019-11-15 22:11:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:11:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:11:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-15 22:11:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:11:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-15 22:11:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-15 22:11:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-15 22:11:04,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-15 22:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:11:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:11:04,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:11:04,194 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:11:04,578 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:11:04,578 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-15 22:11:04,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:04 BoogieIcfgContainer [2019-11-15 22:11:04,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:11:04,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:11:04,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:11:04,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:11:04,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:11:03" (1/3) ... [2019-11-15 22:11:04,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627588e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:11:04, skipping insertion in model container [2019-11-15 22:11:04,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:04" (2/3) ... [2019-11-15 22:11:04,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627588e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:11:04, skipping insertion in model container [2019-11-15 22:11:04,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:04" (3/3) ... [2019-11-15 22:11:04,586 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2019-11-15 22:11:04,625 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,626 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,626 WARN L315 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,627 WARN L315 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,627 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,627 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,628 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,629 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,629 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,629 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,629 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,630 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,630 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,630 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,633 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,633 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,633 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,633 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,634 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,634 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,634 WARN L315 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,635 WARN L315 ript$VariableManager]: TermVariabe Thread1_thread2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,636 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,636 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,636 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,636 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,637 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,637 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,637 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,638 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,638 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,638 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,638 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,638 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,639 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,639 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,640 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,640 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,641 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,641 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,641 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,642 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,642 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,642 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,643 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,643 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,643 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,643 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,644 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,644 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,644 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,645 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,645 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,645 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,646 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thread2_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:11:04,663 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:11:04,663 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:11:04,669 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:11:04,679 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:11:04,696 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:11:04,696 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:11:04,696 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:11:04,696 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:11:04,696 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:11:04,697 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:11:04,697 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:11:04,697 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:11:04,706 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 69 transitions [2019-11-15 22:11:04,750 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 538 states. [2019-11-15 22:11:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states. [2019-11-15 22:11:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 22:11:04,771 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:11:04,772 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:04,774 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:11:04,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:04,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1231879332, now seen corresponding path program 1 times [2019-11-15 22:11:04,786 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:04,787 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71923183] [2019-11-15 22:11:04,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:04,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:04,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:11:05,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71923183] [2019-11-15 22:11:05,044 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:11:05,044 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:11:05,044 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962284126] [2019-11-15 22:11:05,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:11:05,048 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:11:05,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:11:05,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:11:05,064 INFO L87 Difference]: Start difference. First operand 538 states. Second operand 5 states. [2019-11-15 22:11:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:11:05,335 INFO L93 Difference]: Finished difference Result 839 states and 1944 transitions. [2019-11-15 22:11:05,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:11:05,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-11-15 22:11:05,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:11:05,358 INFO L225 Difference]: With dead ends: 839 [2019-11-15 22:11:05,359 INFO L226 Difference]: Without dead ends: 802 [2019-11-15 22:11:05,360 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:11:05,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2019-11-15 22:11:05,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 636. [2019-11-15 22:11:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-11-15 22:11:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1536 transitions. [2019-11-15 22:11:05,476 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1536 transitions. Word has length 38 [2019-11-15 22:11:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:11:05,478 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 1536 transitions. [2019-11-15 22:11:05,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:11:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1536 transitions. [2019-11-15 22:11:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-15 22:11:05,486 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:11:05,486 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:05,489 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:11:05,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:05,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1226805714, now seen corresponding path program 2 times [2019-11-15 22:11:05,490 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:05,490 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295986641] [2019-11-15 22:11:05,490 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:05,490 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:05,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:11:05,600 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295986641] [2019-11-15 22:11:05,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:11:05,601 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:11:05,601 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098566107] [2019-11-15 22:11:05,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:11:05,602 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:11:05,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:11:05,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:11:05,603 INFO L87 Difference]: Start difference. First operand 636 states and 1536 transitions. Second operand 5 states. [2019-11-15 22:11:05,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:11:05,654 INFO L93 Difference]: Finished difference Result 640 states and 1539 transitions. [2019-11-15 22:11:05,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:11:05,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-11-15 22:11:05,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:11:05,658 INFO L225 Difference]: With dead ends: 640 [2019-11-15 22:11:05,659 INFO L226 Difference]: Without dead ends: 636 [2019-11-15 22:11:05,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:11:05,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-11-15 22:11:05,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2019-11-15 22:11:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-11-15 22:11:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1535 transitions. [2019-11-15 22:11:05,689 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1535 transitions. Word has length 38 [2019-11-15 22:11:05,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:11:05,690 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 1535 transitions. [2019-11-15 22:11:05,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:11:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1535 transitions. [2019-11-15 22:11:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 22:11:05,693 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:11:05,693 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:05,693 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:11:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:05,694 INFO L82 PathProgramCache]: Analyzing trace with hash 199783307, now seen corresponding path program 1 times [2019-11-15 22:11:05,694 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:05,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313826752] [2019-11-15 22:11:05,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:05,695 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:05,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:05,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:11:05,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313826752] [2019-11-15 22:11:05,839 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:11:05,839 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:11:05,839 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275563434] [2019-11-15 22:11:05,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:11:05,840 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:11:05,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:11:05,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:11:05,841 INFO L87 Difference]: Start difference. First operand 636 states and 1535 transitions. Second operand 7 states. [2019-11-15 22:11:06,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:11:06,088 INFO L93 Difference]: Finished difference Result 828 states and 1934 transitions. [2019-11-15 22:11:06,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 22:11:06,090 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2019-11-15 22:11:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:11:06,096 INFO L225 Difference]: With dead ends: 828 [2019-11-15 22:11:06,098 INFO L226 Difference]: Without dead ends: 828 [2019-11-15 22:11:06,099 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:11:06,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2019-11-15 22:11:06,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 688. [2019-11-15 22:11:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2019-11-15 22:11:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1652 transitions. [2019-11-15 22:11:06,130 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1652 transitions. Word has length 40 [2019-11-15 22:11:06,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:11:06,131 INFO L462 AbstractCegarLoop]: Abstraction has 688 states and 1652 transitions. [2019-11-15 22:11:06,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:11:06,132 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1652 transitions. [2019-11-15 22:11:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-15 22:11:06,135 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:11:06,136 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:06,136 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:11:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:06,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1027167063, now seen corresponding path program 1 times [2019-11-15 22:11:06,137 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:06,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013523060] [2019-11-15 22:11:06,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:06,138 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:06,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:06,240 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:06,240 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:11:06,269 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,270 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,270 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,271 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,271 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,272 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,272 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,272 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,273 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,273 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,274 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,274 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,275 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,275 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,276 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,276 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,277 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,277 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,277 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,278 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,278 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,278 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,279 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,279 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,280 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,280 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,280 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,280 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,281 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,281 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,282 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,282 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,286 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,287 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,287 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,287 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,288 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,288 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,323 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 22:11:06,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:11:06 BasicIcfg [2019-11-15 22:11:06,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:11:06,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:11:06,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:11:06,329 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:11:06,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:04" (3/4) ... [2019-11-15 22:11:06,332 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 22:11:06,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,342 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,343 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,344 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,346 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,347 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,348 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,349 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,351 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2019-11-15 22:11:06,424 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0405fcc-5d6e-48e4-ac43-4b851e650b0c/bin/uautomizer/witness.graphml [2019-11-15 22:11:06,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:11:06,426 INFO L168 Benchmark]: Toolchain (without parser) took 3203.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.7 MB in the beginning and 861.4 MB in the end (delta: 83.3 MB). Peak memory consumption was 203.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:06,427 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:11:06,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -109.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:06,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:06,428 INFO L168 Benchmark]: Boogie Preprocessor took 28.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:11:06,429 INFO L168 Benchmark]: RCFGBuilder took 447.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:06,429 INFO L168 Benchmark]: TraceAbstraction took 1747.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 875.1 MB in the end (delta: 144.1 MB). Peak memory consumption was 144.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:06,430 INFO L168 Benchmark]: Witness Printer took 95.79 ms. Allocated memory is still 1.1 GB. Free memory was 875.1 MB in the beginning and 861.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:06,432 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 830.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -109.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 447.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1747.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 875.1 MB in the end (delta: 144.1 MB). Peak memory consumption was 144.1 MB. Max. memory is 11.5 GB. * Witness Printer took 95.79 ms. Allocated memory is still 1.1 GB. Free memory was 875.1 MB in the beginning and 861.4 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1088]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1089] 0 char *v; VAL [v={0:0}] [L1102] 0 pthread_t t1, t2; VAL [v={0:0}] [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1104] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1097] COND FALSE 2 !(\read(*v)) VAL [v={0:0}] [L1098] 2 return 0; VAL [v={0:0}] [L1105] 0 \read(t1) VAL [v={0:0}] [L1092] 1 v = calloc(8, sizeof(char)) VAL [v={3:0}] [L1093] 1 return 0; VAL [v={3:0}] [L1105] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1106] 0 \read(t2) VAL [v={3:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [v={3:0}] [L1107] 0 !v || v[0] == 'B' VAL [v={3:0}] [L1107] EXPR 0 v[0] VAL [v={3:0}] [L1107] 0 !v || v[0] == 'B' VAL [v={3:0}] [L1088] COND TRUE 0 !expression VAL [v={3:0}] [L1088] 0 __VERIFIER_error() VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 90 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 234 SDtfs, 370 SDslu, 446 SDs, 0 SdLazy, 133 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 306 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 14380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...