./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer --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 543760201f2b15d8fe9ad1d3d91c3815dae7853a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer --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 543760201f2b15d8fe9ad1d3d91c3815dae7853a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:15:10,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:15:10,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:15:10,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:15:10,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:15:10,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:15:10,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:15:10,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:15:10,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:15:10,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:15:10,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:15:10,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:15:10,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:15:10,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:15:10,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:15:10,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:15:10,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:15:10,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:15:10,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:15:10,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:15:10,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:15:10,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:15:10,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:15:10,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:15:10,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:15:10,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:15:10,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:15:10,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:15:10,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:15:10,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:15:10,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:15:10,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:15:10,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:15:10,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:15:10,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:15:10,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:15:10,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:15:10,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:15:10,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:15:10,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:15:10,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:15:10,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:15:10,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:15:10,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:15:10,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:15:10,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:15:10,508 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:15:10,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:15:10,509 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:15:10,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:15:10,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:15:10,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:15:10,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:15:10,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:15:10,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:15:10,512 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:15:10,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:15:10,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:15:10,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:15:10,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:15:10,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:15:10,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:15:10,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:15:10,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:15:10,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:15:10,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:15:10,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:15:10,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:15:10,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:15:10,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:15:10,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:15:10,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 543760201f2b15d8fe9ad1d3d91c3815dae7853a [2020-11-30 01:15:10,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:15:10,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:15:10,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:15:10,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:15:10,936 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:15:10,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s2.i [2020-11-30 01:15:11,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/e5c1b1bde/7d8ae123032240a28b8bfe549351971e/FLAGf54023d92 [2020-11-30 01:15:11,714 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:15:11,715 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/sv-benchmarks/c/pthread/bigshot_s2.i [2020-11-30 01:15:11,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/e5c1b1bde/7d8ae123032240a28b8bfe549351971e/FLAGf54023d92 [2020-11-30 01:15:11,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/e5c1b1bde/7d8ae123032240a28b8bfe549351971e [2020-11-30 01:15:11,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:15:11,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:15:11,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:15:11,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:15:11,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:15:11,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:15:11" (1/1) ... [2020-11-30 01:15:11,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11495da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:11, skipping insertion in model container [2020-11-30 01:15:11,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:15:11" (1/1) ... [2020-11-30 01:15:11,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:15:11,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:15:12,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:15:12,706 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:15:12,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:15:13,031 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:15:13,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13 WrapperNode [2020-11-30 01:15:13,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:15:13,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:15:13,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:15:13,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:15:13,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:15:13,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:15:13,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:15:13,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:15:13,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... [2020-11-30 01:15:13,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:15:13,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:15:13,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:15:13,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:15:13,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/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 [2020-11-30 01:15:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:15:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:15:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-30 01:15:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:15:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-30 01:15:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-30 01:15:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-30 01:15:13,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-30 01:15:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:15:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:15:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:15:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:15:13,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:15:13,223 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:15:13,777 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:15:13,777 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 01:15:13,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:13 BoogieIcfgContainer [2020-11-30 01:15:13,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:15:13,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:15:13,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:15:13,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:15:13,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:15:11" (1/3) ... [2020-11-30 01:15:13,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1784f8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:15:13, skipping insertion in model container [2020-11-30 01:15:13,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:13" (2/3) ... [2020-11-30 01:15:13,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1784f8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:15:13, skipping insertion in model container [2020-11-30 01:15:13,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:13" (3/3) ... [2020-11-30 01:15:13,788 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2020-11-30 01:15:13,800 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-30 01:15:13,801 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:15:13,806 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:15:13,807 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-30 01:15:13,845 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,845 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,845 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,846 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,846 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,846 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,846 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,846 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,847 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,847 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,848 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,848 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,849 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,850 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,850 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,850 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,850 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,853 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,853 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,853 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,853 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,855 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,855 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,855 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,855 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,856 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,858 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,859 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,859 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,865 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,865 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,865 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,865 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,866 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,866 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,866 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,866 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,866 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,867 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,867 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,867 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,867 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,867 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:13,884 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-30 01:15:13,894 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:15:13,914 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:15:13,914 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:15:13,914 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:15:13,914 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:15:13,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:15:13,915 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:15:13,915 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:15:13,915 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:15:13,928 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-30 01:15:13,930 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 74 transitions, 170 flow [2020-11-30 01:15:13,934 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 74 transitions, 170 flow [2020-11-30 01:15:13,936 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 74 places, 74 transitions, 170 flow [2020-11-30 01:15:13,980 INFO L129 PetriNetUnfolder]: 5/70 cut-off events. [2020-11-30 01:15:13,980 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-30 01:15:13,983 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 70 events. 5/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-11-30 01:15:13,985 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-11-30 01:15:14,262 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-30 01:15:16,244 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-11-30 01:15:16,932 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2020-11-30 01:15:17,110 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-30 01:15:17,229 INFO L131 LiptonReduction]: Checked pairs total: 201 [2020-11-30 01:15:17,229 INFO L133 LiptonReduction]: Total number of compositions: 78 [2020-11-30 01:15:17,235 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-11-30 01:15:17,244 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-11-30 01:15:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-30 01:15:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:15:17,256 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:17,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:17,257 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:17,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:17,264 INFO L82 PathProgramCache]: Analyzing trace with hash 277573941, now seen corresponding path program 1 times [2020-11-30 01:15:17,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:17,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94425108] [2020-11-30 01:15:17,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:17,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:17,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94425108] [2020-11-30 01:15:17,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:17,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:15:17,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680584946] [2020-11-30 01:15:17,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:17,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:15:17,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:17,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:15:17,558 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-11-30 01:15:17,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:17,599 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-11-30 01:15:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:17,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-30 01:15:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:17,611 INFO L225 Difference]: With dead ends: 19 [2020-11-30 01:15:17,611 INFO L226 Difference]: Without dead ends: 18 [2020-11-30 01:15:17,613 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 [2020-11-30 01:15:17,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-30 01:15:17,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-30 01:15:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-30 01:15:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-30 01:15:17,649 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-11-30 01:15:17,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:17,650 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-30 01:15:17,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-30 01:15:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:15:17,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:17,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:17,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:15:17,651 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:17,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:17,657 INFO L82 PathProgramCache]: Analyzing trace with hash 21573557, now seen corresponding path program 1 times [2020-11-30 01:15:17,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:15:17,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699299324] [2020-11-30 01:15:17,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:15:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:15:17,752 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:15:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:15:17,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:15:17,848 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:15:17,849 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:15:17,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:15:17,851 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-30 01:15:17,859 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [263] [263] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1958999285| (select (select |#memory_int_In1958999285| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1958999285|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1958999285| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1958999285|))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1958999285| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1958999285|) (= 0 |thread2Thread1of1ForFork1_#res.base_Out1958999285|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1958999285| 0) (= |thread2Thread1of1ForFork1_#res.offset_Out1958999285| 0) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1958999285| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1958999285|) (= (store |#memory_int_In1958999285| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1958999285| (store (select |#memory_int_In1958999285| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1958999285|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1958999285| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1958999285|) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1958999285|)) |#memory_int_Out1958999285|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1958999285|, #memory_int=|#memory_int_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1958999285|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1958999285|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1958999285|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out1958999285|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out1958999285|, #memory_int=|#memory_int_Out1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1958999285|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1958999285|} 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~mem15] because there is no mapped edge [2020-11-30 01:15:17,871 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,872 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,873 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,873 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,874 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:17,874 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,874 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:17,875 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,875 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,876 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,876 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:17,877 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,877 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:17,877 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,878 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,878 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,879 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:17,879 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,880 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:17,880 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,880 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:17,881 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:17,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:15:17 BasicIcfg [2020-11-30 01:15:17,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:15:17,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:15:17,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:15:17,912 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:15:17,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:13" (3/4) ... [2020-11-30 01:15:17,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:15:17,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:15:17,929 INFO L168 Benchmark]: Toolchain (without parser) took 6040.43 ms. Allocated memory was 94.4 MB in the beginning and 136.3 MB in the end (delta: 41.9 MB). Free memory was 56.7 MB in the beginning and 104.0 MB in the end (delta: -47.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:15:17,930 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 75.1 MB in the beginning and 75.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:15:17,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1144.47 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.5 MB in the beginning and 63.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:17,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.59 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:17,934 INFO L168 Benchmark]: Boogie Preprocessor took 39.75 ms. Allocated memory is still 113.2 MB. Free memory was 61.2 MB in the beginning and 59.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:17,935 INFO L168 Benchmark]: RCFGBuilder took 645.68 ms. Allocated memory is still 113.2 MB. Free memory was 59.6 MB in the beginning and 77.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:17,936 INFO L168 Benchmark]: TraceAbstraction took 4130.43 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 77.8 MB in the beginning and 105.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:17,943 INFO L168 Benchmark]: Witness Printer took 14.14 ms. Allocated memory is still 136.3 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:17,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 75.1 MB in the beginning and 75.0 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1144.47 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 56.5 MB in the beginning and 63.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.59 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.75 ms. Allocated memory is still 113.2 MB. Free memory was 61.2 MB in the beginning and 59.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 645.68 ms. Allocated memory is still 113.2 MB. Free memory was 59.6 MB in the beginning and 77.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4130.43 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 77.8 MB in the beginning and 105.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. * Witness Printer took 14.14 ms. Allocated memory is still 136.3 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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_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_#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_#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_#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_#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_#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_#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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 68 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 7 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 74 PlacesBefore, 24 PlacesAfterwards, 74 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 78 TotalNumberOfCompositions, 201 MoverChecksTotal - UnprovableResult [Line: 20]: 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 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1123] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] 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}] [L1124] 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}] [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1125] 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}] [L1126] 0 v[0] [L1107] COND TRUE 0 !expression [L20] COND FALSE 0 !(0) [L20] 0 __assert_fail ("0", "bigshot_s2.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, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 14 SDtfs, 8 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 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 0.2.0-a4ecdab [2020-11-30 01:15:20,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:15:20,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:15:20,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:15:20,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:15:20,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:15:20,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:15:20,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:15:20,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:15:20,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:15:20,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:15:21,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:15:21,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:15:21,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:15:21,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:15:21,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:15:21,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:15:21,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:15:21,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:15:21,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:15:21,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:15:21,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:15:21,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:15:21,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:15:21,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:15:21,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:15:21,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:15:21,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:15:21,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:15:21,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:15:21,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:15:21,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:15:21,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:15:21,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:15:21,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:15:21,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:15:21,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:15:21,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:15:21,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:15:21,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:15:21,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:15:21,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:15:21,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:15:21,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:15:21,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:15:21,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:15:21,094 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:15:21,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:15:21,095 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:15:21,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:15:21,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:15:21,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:15:21,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:15:21,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:15:21,097 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:15:21,097 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:15:21,097 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:15:21,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:15:21,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:15:21,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:15:21,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:15:21,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:15:21,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:15:21,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:15:21,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:15:21,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:15:21,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:15:21,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:15:21,104 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:15:21,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:15:21,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:15:21,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:15:21,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:15:21,113 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 543760201f2b15d8fe9ad1d3d91c3815dae7853a [2020-11-30 01:15:21,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:15:21,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:15:21,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:15:21,553 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:15:21,554 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:15:21,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s2.i [2020-11-30 01:15:21,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/9058e6cf2/665cec56999c4ceeb17ca6b5c6efed03/FLAG71e97ddbc [2020-11-30 01:15:22,530 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:15:22,531 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/sv-benchmarks/c/pthread/bigshot_s2.i [2020-11-30 01:15:22,557 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/9058e6cf2/665cec56999c4ceeb17ca6b5c6efed03/FLAG71e97ddbc [2020-11-30 01:15:22,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/data/9058e6cf2/665cec56999c4ceeb17ca6b5c6efed03 [2020-11-30 01:15:22,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:15:22,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:15:22,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:15:22,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:15:22,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:15:22,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:15:22" (1/1) ... [2020-11-30 01:15:22,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bbded8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:22, skipping insertion in model container [2020-11-30 01:15:22,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:15:22" (1/1) ... [2020-11-30 01:15:22,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:15:22,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:15:23,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:15:23,434 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:15:23,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:15:23,808 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:15:23,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23 WrapperNode [2020-11-30 01:15:23,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:15:23,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:15:23,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:15:23,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:15:23,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:15:23,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:15:23,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:15:23,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:15:23,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... [2020-11-30 01:15:23,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:15:23,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:15:23,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:15:23,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:15:23,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/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 [2020-11-30 01:15:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 01:15:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:15:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:15:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:15:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:15:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:15:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-30 01:15:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-30 01:15:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-30 01:15:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-30 01:15:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-11-30 01:15:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:15:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:15:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:15:24,030 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:15:24,826 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:15:24,828 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 01:15:24,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:24 BoogieIcfgContainer [2020-11-30 01:15:24,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:15:24,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:15:24,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:15:24,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:15:24,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:15:22" (1/3) ... [2020-11-30 01:15:24,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a228eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:15:24, skipping insertion in model container [2020-11-30 01:15:24,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:23" (2/3) ... [2020-11-30 01:15:24,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a228eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:15:24, skipping insertion in model container [2020-11-30 01:15:24,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:24" (3/3) ... [2020-11-30 01:15:24,842 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2020-11-30 01:15:24,854 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-30 01:15:24,855 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:15:24,860 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:15:24,862 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-30 01:15:24,901 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,902 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,902 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,902 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,902 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,903 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,905 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,906 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,907 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,907 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,907 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,908 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,909 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,909 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,909 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,910 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,910 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,910 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,911 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,911 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,920 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,923 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,924 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,930 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,931 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:15:24,945 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-30 01:15:24,960 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:15:24,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:15:24,999 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:15:24,999 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:15:24,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:15:24,999 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:15:24,999 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:15:25,000 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:15:25,000 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:15:25,019 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-30 01:15:25,024 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 172 flow [2020-11-30 01:15:25,028 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 172 flow [2020-11-30 01:15:25,030 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 172 flow [2020-11-30 01:15:25,108 INFO L129 PetriNetUnfolder]: 5/71 cut-off events. [2020-11-30 01:15:25,108 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-30 01:15:25,111 INFO L80 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 71 events. 5/71 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 56 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-11-30 01:15:25,114 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-11-30 01:15:25,808 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-11-30 01:15:28,185 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-30 01:15:28,342 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-11-30 01:15:28,890 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-30 01:15:29,270 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-30 01:15:29,330 INFO L131 LiptonReduction]: Checked pairs total: 174 [2020-11-30 01:15:29,330 INFO L133 LiptonReduction]: Total number of compositions: 70 [2020-11-30 01:15:29,335 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-11-30 01:15:29,343 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-11-30 01:15:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-30 01:15:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:15:29,349 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:29,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:29,350 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:29,356 INFO L82 PathProgramCache]: Analyzing trace with hash 526313720, now seen corresponding path program 1 times [2020-11-30 01:15:29,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:15:29,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296780622] [2020-11-30 01:15:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/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 [2020-11-30 01:15:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:29,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:15:29,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:15:29,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:29,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:15:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:29,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296780622] [2020-11-30 01:15:29,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:29,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-30 01:15:29,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447962271] [2020-11-30 01:15:29,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:15:29,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:15:29,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:15:29,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:15:29,633 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-11-30 01:15:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:29,709 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-11-30 01:15:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:15:29,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-30 01:15:29,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:29,719 INFO L225 Difference]: With dead ends: 19 [2020-11-30 01:15:29,719 INFO L226 Difference]: Without dead ends: 18 [2020-11-30 01:15:29,720 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 [2020-11-30 01:15:29,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-30 01:15:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-30 01:15:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-30 01:15:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-30 01:15:29,758 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-11-30 01:15:29,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:29,759 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-30 01:15:29,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:15:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-30 01:15:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 01:15:29,761 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:29,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:29,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:15:29,983 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:29,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:29,984 INFO L82 PathProgramCache]: Analyzing trace with hash 518678978, now seen corresponding path program 1 times [2020-11-30 01:15:29,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:15:29,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172380408] [2020-11-30 01:15:29,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b5395e9-acb6-493e-a47a-74f8e68f9bf8/bin/uautomizer/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 [2020-11-30 01:15:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:15:30,179 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:15:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:15:30,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:15:30,314 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 01:15:30,314 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:15:30,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:15:30,521 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-30 01:15:30,529 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [263] [263] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1935214846| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1935214846|) (= |#memory_int_Out1935214846| (store |#memory_int_In1935214846| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1935214846| (store (select |#memory_int_In1935214846| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1935214846|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1935214846| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1935214846|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1935214846|)))) (= ((_ extract 7 0) (select (select |#memory_int_In1935214846| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1935214846|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1935214846| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1935214846|))) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1935214846|) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.base_Out1935214846|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1935214846| (_ bv0 8)) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out1935214846|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1935214846| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1935214846|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1935214846|, #memory_int=|#memory_int_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1935214846|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1935214846|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1935214846|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out1935214846|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out1935214846|, #memory_int=|#memory_int_Out1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset14_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1935214846|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem15_Out1935214846|} 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~mem15] because there is no mapped edge [2020-11-30 01:15:30,552 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,553 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,553 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,554 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,554 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,555 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,555 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,555 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,556 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,556 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,557 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,557 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,558 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,558 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,558 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,559 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,560 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,560 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,560 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,561 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,561 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,561 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,562 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,562 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,563 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,563 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-30 01:15:30,564 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-30 01:15:30,576 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-30 01:15:30,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:15:30 BasicIcfg [2020-11-30 01:15:30,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:15:30,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:15:30,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:15:30,611 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:15:30,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:24" (3/4) ... [2020-11-30 01:15:30,616 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:15:30,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:15:30,618 INFO L168 Benchmark]: Toolchain (without parser) took 7948.00 ms. Allocated memory was 65.0 MB in the beginning and 121.6 MB in the end (delta: 56.6 MB). Free memory was 42.5 MB in the beginning and 81.4 MB in the end (delta: -38.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:30,619 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:15:30,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.74 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 42.9 MB in the end (delta: -637.5 kB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:30,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.33 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 40.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:30,621 INFO L168 Benchmark]: Boogie Preprocessor took 40.55 ms. Allocated memory is still 83.9 MB. Free memory was 40.6 MB in the beginning and 38.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:30,622 INFO L168 Benchmark]: RCFGBuilder took 892.27 ms. Allocated memory is still 83.9 MB. Free memory was 38.9 MB in the beginning and 40.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:15:30,623 INFO L168 Benchmark]: TraceAbstraction took 5776.10 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 39.9 MB in the beginning and 81.4 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:15:30,624 INFO L168 Benchmark]: Witness Printer took 5.54 ms. Allocated memory is still 121.6 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:15:30,629 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 46.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1138.74 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 42.9 MB in the end (delta: -637.5 kB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.33 ms. Allocated memory is still 83.9 MB. Free memory was 42.9 MB in the beginning and 40.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.55 ms. Allocated memory is still 83.9 MB. Free memory was 40.6 MB in the beginning and 38.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 892.27 ms. Allocated memory is still 83.9 MB. Free memory was 38.9 MB in the beginning and 40.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5776.10 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 39.9 MB in the beginning and 81.4 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.54 ms. Allocated memory is still 121.6 MB. Free memory is still 81.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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_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_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_#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_#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_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_#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_#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_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_#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_#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_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_#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_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 69 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.3s, 75 PlacesBefore, 24 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 33 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 70 TotalNumberOfCompositions, 174 MoverChecksTotal - UnprovableResult [Line: 20]: 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 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1123] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] 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}] [L1124] 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}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1125] 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}] [L1126] 0 v[0] [L1107] COND TRUE 0 !expression [L20] COND FALSE 0 !(0) [L20] 0 __assert_fail ("0", "bigshot_s2.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, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 1 NumberOfNonLiveVariables, 63 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...