./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/bigshot_s.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/bigshot_s.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/bigshot_s.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 20:14:44,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 20:14:44,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 20:14:44,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 20:14:44,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 20:14:44,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 20:14:44,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 20:14:44,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 20:14:44,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 20:14:44,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 20:14:44,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 20:14:44,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 20:14:44,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 20:14:44,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 20:14:44,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 20:14:44,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 20:14:44,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 20:14:44,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 20:14:44,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 20:14:44,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 20:14:44,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 20:14:44,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 20:14:44,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 20:14:44,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 20:14:44,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 20:14:44,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 20:14:44,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 20:14:44,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 20:14:44,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 20:14:44,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 20:14:44,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 20:14:44,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 20:14:44,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 20:14:44,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 20:14:44,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 20:14:44,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 20:14:44,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 20:14:44,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 20:14:44,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 20:14:44,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 20:14:44,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 20:14:44,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 20:14:44,461 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 20:14:44,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 20:14:44,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 20:14:44,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 20:14:44,463 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 20:14:44,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 20:14:44,464 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 20:14:44,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 20:14:44,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 20:14:44,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 20:14:44,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 20:14:44,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 20:14:44,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 20:14:44,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 20:14:44,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 20:14:44,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 20:14:44,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 20:14:44,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 20:14:44,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 20:14:44,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 20:14:44,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 20:14:44,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:14:44,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 20:14:44,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 20:14:44,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 20:14:44,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 20:14:44,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 20:14:44,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 20:14:44,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 20:14:44,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f [2020-07-28 20:14:44,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 20:14:44,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 20:14:44,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 20:14:44,822 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 20:14:44,823 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 20:14:44,824 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-07-28 20:14:44,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f524d1e1/557891e4ab8d472786c720039cf50e2c/FLAGa94d48156 [2020-07-28 20:14:45,446 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 20:14:45,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-07-28 20:14:45,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f524d1e1/557891e4ab8d472786c720039cf50e2c/FLAGa94d48156 [2020-07-28 20:14:45,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f524d1e1/557891e4ab8d472786c720039cf50e2c [2020-07-28 20:14:45,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 20:14:45,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 20:14:45,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 20:14:45,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 20:14:45,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 20:14:45,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:14:45" (1/1) ... [2020-07-28 20:14:45,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b669b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:45, skipping insertion in model container [2020-07-28 20:14:45,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:14:45" (1/1) ... [2020-07-28 20:14:45,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 20:14:45,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 20:14:46,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:14:46,573 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 20:14:46,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:14:46,863 INFO L208 MainTranslator]: Completed translation [2020-07-28 20:14:46,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46 WrapperNode [2020-07-28 20:14:46,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 20:14:46,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 20:14:46,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 20:14:46,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 20:14:46,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 20:14:46,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 20:14:46,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 20:14:46,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 20:14:46,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... [2020-07-28 20:14:46,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 20:14:46,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 20:14:46,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 20:14:46,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 20:14:46,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:14:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 20:14:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 20:14:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-07-28 20:14:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 20:14:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-07-28 20:14:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-07-28 20:14:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-07-28 20:14:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-07-28 20:14:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 20:14:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-28 20:14:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 20:14:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 20:14:47,082 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 20:14:47,575 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 20:14:47,575 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 20:14:47,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:14:47 BoogieIcfgContainer [2020-07-28 20:14:47,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 20:14:47,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 20:14:47,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 20:14:47,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 20:14:47,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 08:14:45" (1/3) ... [2020-07-28 20:14:47,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9a3025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:14:47, skipping insertion in model container [2020-07-28 20:14:47,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:46" (2/3) ... [2020-07-28 20:14:47,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9a3025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:14:47, skipping insertion in model container [2020-07-28 20:14:47,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:14:47" (3/3) ... [2020-07-28 20:14:47,590 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-07-28 20:14:47,602 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 20:14:47,603 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 20:14:47,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 20:14:47,612 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 20:14:47,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,650 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,651 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,654 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,655 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,655 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,671 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,674 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,674 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,674 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,674 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:47,713 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 20:14:47,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 20:14:47,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 20:14:47,736 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 20:14:47,736 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 20:14:47,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 20:14:47,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 20:14:47,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 20:14:47,737 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 20:14:47,752 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 70 transitions, 162 flow [2020-07-28 20:14:47,754 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions, 162 flow [2020-07-28 20:14:47,803 INFO L129 PetriNetUnfolder]: 5/66 cut-off events. [2020-07-28 20:14:47,803 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-07-28 20:14:47,807 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 5/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-07-28 20:14:47,810 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions, 162 flow [2020-07-28 20:14:47,833 INFO L129 PetriNetUnfolder]: 5/66 cut-off events. [2020-07-28 20:14:47,834 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-07-28 20:14:47,835 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 5/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-07-28 20:14:47,836 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2020-07-28 20:14:47,837 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 20:14:49,787 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-07-28 20:14:50,163 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-07-28 20:14:50,288 INFO L206 etLargeBlockEncoding]: Checked pairs total: 68 [2020-07-28 20:14:50,289 INFO L214 etLargeBlockEncoding]: Total number of compositions: 62 [2020-07-28 20:14:50,293 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-07-28 20:14:50,306 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-07-28 20:14:50,309 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-28 20:14:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 20:14:50,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:14:50,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:14:50,319 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:14:50,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:14:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1540404167, now seen corresponding path program 1 times [2020-07-28 20:14:50,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:14:50,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187751689] [2020-07-28 20:14:50,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:14:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:14:50,626 INFO L280 TraceCheckUtils]: 0: Hoare triple {111#true} [245] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse0 (store |v_#valid_46| 0 0))) (let ((.cse2 (store .cse0 |v_#t~string3.base_9| 1))) (let ((.cse1 (store .cse2 |v_ULTIMATE.start_main_~#t1~0.base_15| 1))) (and (= 0 |v_#NULL.base_5|) (= (store (store (store |v_#length_30| |v_#t~string3.base_9| 8) |v_ULTIMATE.start_main_~#t1~0.base_15| 4) |v_ULTIMATE.start_main_~#t2~0.base_23| 4) |v_#length_28|) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1~0.base_15|) (= 0 (select .cse0 |v_#t~string3.base_9|)) (= v_~v~0.offset_28 0) (= 0 v_~v~0.base_28) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2~0.base_23|) (= 0 |v_ULTIMATE.start_main_~#t1~0.offset_14|) (= 0 (select .cse1 |v_ULTIMATE.start_main_~#t2~0.base_23|)) (= 0 |v_#NULL.offset_5|) (= 0 (select .cse2 |v_ULTIMATE.start_main_~#t1~0.base_15|)) (= 0 |v_ULTIMATE.start_main_~#t2~0.offset_21|) (= 0 |v_#t~string3.offset_9|) (< 0 |v_#StackHeapBarrier_16|) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0.base_23| 1) |v_#valid_44|) (< |v_#StackHeapBarrier_16| |v_#t~string3.base_9|) (= (store |v_#memory_int_49| |v_ULTIMATE.start_main_~#t1~0.base_15| (store (select |v_#memory_int_49| |v_ULTIMATE.start_main_~#t1~0.base_15|) |v_ULTIMATE.start_main_~#t1~0.offset_14| 0)) |v_#memory_int_48|))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_49|, #length=|v_#length_30|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_21|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_12|, ~v~0.base=v_~v~0.base_28, #NULL.base=|v_#NULL.base_5|, #t~string3.offset=|v_#t~string3.offset_9|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_15|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_14|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_19|, ~v~0.offset=v_~v~0.offset_28, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_12|, #valid=|v_#valid_44|, #memory_int=|v_#memory_int_48|, #length=|v_#length_28|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_11|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_22|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_14|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_23|, #t~string3.base=|v_#t~string3.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet7, ~v~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ~v~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_#t~mem6, ULTIMATE.start_main_#t~short10, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, #t~string3.base] {111#true} is VALID [2020-07-28 20:14:50,627 INFO L280 TraceCheckUtils]: 1: Hoare triple {111#true} [183] L1103-->thread1ENTRY: Formula: (and (= 0 |v_thread1Thread1of1ForFork1_#in~arg.offset_3|) (= 0 v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 |v_thread1Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_3|, thread1Thread1of1ForFork1_#t~malloc2.offset=|v_thread1Thread1of1ForFork1_#t~malloc2.offset_4|, thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_3|, thread1Thread1of1ForFork1_~arg.offset=v_thread1Thread1of1ForFork1_~arg.offset_3, thread1Thread1of1ForFork1_~arg.base=v_thread1Thread1of1ForFork1_~arg.base_3, thread1Thread1of1ForFork1_#t~malloc2.base=|v_thread1Thread1of1ForFork1_#t~malloc2.base_4|, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_3|, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_3|, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#in~arg.base, thread1Thread1of1ForFork1_#t~malloc2.offset, thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_~arg.offset, thread1Thread1of1ForFork1_~arg.base, thread1Thread1of1ForFork1_#t~malloc2.base, thread1Thread1of1ForFork1_#in~arg.offset, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar0] {111#true} is VALID [2020-07-28 20:14:50,628 INFO L280 TraceCheckUtils]: 2: Hoare triple {111#true} [211] L1103-1-->L1104-1: Formula: (= |v_ULTIMATE.start_main_#t~mem6_9| (select (select |v_#memory_int_23| |v_ULTIMATE.start_main_~#t1~0.base_11|) |v_ULTIMATE.start_main_~#t1~0.offset_11|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_9|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] {111#true} is VALID [2020-07-28 20:14:50,629 INFO L280 TraceCheckUtils]: 3: Hoare triple {111#true} [239] thread1ENTRY-->thread1EXIT: Formula: (and (= 0 |v_thread1Thread1of1ForFork1_#res.offset_6|) (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_7|) (= 0 (select |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_7|)) (= |v_#valid_42| (store |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_7| 1)) (= (store |v_#length_27| |v_thread1Thread1of1ForFork1_#t~malloc2.base_7| 8) |v_#length_26|) (= v_~v~0.offset_26 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_7|) (< |v_thread1Thread1of1ForFork1_#t~malloc2.base_7| |v_#StackHeapBarrier_15|) (not (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.base_7|)) (= |v_thread1Thread1of1ForFork1_#in~arg.base_4| v_thread1Thread1of1ForFork1_~arg.base_4) (= 0 |v_thread1Thread1of1ForFork1_#res.base_6|) (= |v_thread1Thread1of1ForFork1_#in~arg.offset_4| v_thread1Thread1of1ForFork1_~arg.offset_4) (= v_~v~0.base_26 |v_thread1Thread1of1ForFork1_#t~malloc2.base_7|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_4|, #valid=|v_#valid_43|, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_4|, #length=|v_#length_27|} OutVars{thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_4|, thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_6|, thread1Thread1of1ForFork1_#t~malloc2.offset=|v_thread1Thread1of1ForFork1_#t~malloc2.offset_7|, thread1Thread1of1ForFork1_~arg.offset=v_thread1Thread1of1ForFork1_~arg.offset_4, thread1Thread1of1ForFork1_#t~malloc2.base=|v_thread1Thread1of1ForFork1_#t~malloc2.base_7|, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_6|, ~v~0.base=v_~v~0.base_26, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~v~0.offset=v_~v~0.offset_26, #valid=|v_#valid_42|, thread1Thread1of1ForFork1_~arg.base=v_thread1Thread1of1ForFork1_~arg.base_4, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_4|, #length=|v_#length_26|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~malloc2.offset, thread1Thread1of1ForFork1_~arg.offset, ~v~0.offset, thread1Thread1of1ForFork1_#t~malloc2.base, #valid, thread1Thread1of1ForFork1_~arg.base, thread1Thread1of1ForFork1_#res.offset, #length, ~v~0.base] {113#(not (= 0 ~v~0.base))} is VALID [2020-07-28 20:14:50,630 INFO L280 TraceCheckUtils]: 4: Hoare triple {113#(not (= 0 ~v~0.base))} [185] thread1EXIT-->L1104-2: Formula: (= |v_ULTIMATE.start_main_#t~mem6_7| v_thread1Thread1of1ForFork1_thidvar0_4) InVars {ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_7|, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_7|, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[] {113#(not (= 0 ~v~0.base))} is VALID [2020-07-28 20:14:50,631 INFO L280 TraceCheckUtils]: 5: Hoare triple {113#(not (= 0 ~v~0.base))} [90] L1104-2-->L1105: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem6] {113#(not (= 0 ~v~0.base))} is VALID [2020-07-28 20:14:50,632 INFO L280 TraceCheckUtils]: 6: Hoare triple {113#(not (= 0 ~v~0.base))} [121] L1105-->L1105-1: Formula: (= (store |v_#memory_int_9| |v_ULTIMATE.start_main_~#t2~0.base_5| (store (select |v_#memory_int_9| |v_ULTIMATE.start_main_~#t2~0.base_5|) |v_ULTIMATE.start_main_~#t2~0.offset_5| 1)) |v_#memory_int_8|) InVars {#memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_5|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_5|} OutVars{#memory_int=|v_#memory_int_8|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_5|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_5|} AuxVars[] AssignedVars[#memory_int] {113#(not (= 0 ~v~0.base))} is VALID [2020-07-28 20:14:50,634 INFO L280 TraceCheckUtils]: 7: Hoare triple {113#(not (= 0 ~v~0.base))} [181] L1105-1-->thread2ENTRY: Formula: (and (= |v_thread2Thread1of1ForFork0_#in~arg.offset_3| 0) (= 0 |v_thread2Thread1of1ForFork0_#in~arg.base_3|) (= 1 v_thread2Thread1of1ForFork0_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork0_#res.offset=|v_thread2Thread1of1ForFork0_#res.offset_3|, thread2Thread1of1ForFork0_~arg.base=v_thread2Thread1of1ForFork0_~arg.base_3, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_8|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_5|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_4|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|v_thread2Thread1of1ForFork0_#t~strcpy~res4.base_4|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_5|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_5|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|v_thread2Thread1of1ForFork0_#t~strcpy~res4.offset_4|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_5|, thread2Thread1of1ForFork0_~arg.offset=v_thread2Thread1of1ForFork0_~arg.offset_3, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_3|, thread2Thread1of1ForFork0_#res.base=|v_thread2Thread1of1ForFork0_#res.base_3|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_4|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_7|, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_3|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_~arg.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork0_~arg.offset, thread2Thread1of1ForFork0_#in~arg.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13, thread2Thread1of1ForFork0_#in~arg.base] {113#(not (= 0 ~v~0.base))} is VALID [2020-07-28 20:14:50,636 INFO L280 TraceCheckUtils]: 8: Hoare triple {113#(not (= 0 ~v~0.base))} [233] thread2ENTRY-->thread2EXIT: Formula: (and (= 0 v_~v~0.base_23) (= |v_thread2Thread1of1ForFork0_#in~arg.base_7| v_thread2Thread1of1ForFork0_~arg.base_7) (= 0 |v_thread2Thread1of1ForFork0_#res.offset_8|) (= |v_thread2Thread1of1ForFork0_#in~arg.offset_7| v_thread2Thread1of1ForFork0_~arg.offset_7) (= v_~v~0.offset_23 0) (= 0 |v_thread2Thread1of1ForFork0_#res.base_8|)) InVars {~v~0.offset=v_~v~0.offset_23, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_7|, ~v~0.base=v_~v~0.base_23, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_7|} OutVars{thread2Thread1of1ForFork0_#res.offset=|v_thread2Thread1of1ForFork0_#res.offset_8|, thread2Thread1of1ForFork0_~arg.base=v_thread2Thread1of1ForFork0_~arg.base_7, thread2Thread1of1ForFork0_~arg.offset=v_thread2Thread1of1ForFork0_~arg.offset_7, ~v~0.offset=v_~v~0.offset_23, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_7|, thread2Thread1of1ForFork0_#res.base=|v_thread2Thread1of1ForFork0_#res.base_8|, ~v~0.base=v_~v~0.base_23, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_~arg.base, thread2Thread1of1ForFork0_~arg.offset, thread2Thread1of1ForFork0_#res.base] {112#false} is VALID [2020-07-28 20:14:50,636 INFO L280 TraceCheckUtils]: 9: Hoare triple {112#false} [205] L1105-2-->L1106-1: Formula: (= |v_ULTIMATE.start_main_#t~mem8_11| (select (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2~0.base_11|) |v_ULTIMATE.start_main_~#t2~0.offset_10|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_10|, #memory_int=|v_#memory_int_20|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_11|} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_11|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_10|, #memory_int=|v_#memory_int_20|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_4|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] {112#false} is VALID [2020-07-28 20:14:50,636 INFO L280 TraceCheckUtils]: 10: Hoare triple {112#false} [186] thread2EXIT-->L1106-2: Formula: (= |v_ULTIMATE.start_main_#t~mem8_5| v_thread2Thread1of1ForFork0_thidvar0_6) InVars {ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_5|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_6} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_5|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_6} AuxVars[] AssignedVars[] {112#false} is VALID [2020-07-28 20:14:50,637 INFO L280 TraceCheckUtils]: 11: Hoare triple {112#false} [139] L1106-2-->L1107: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8] {112#false} is VALID [2020-07-28 20:14:50,638 INFO L280 TraceCheckUtils]: 12: Hoare triple {112#false} [248] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not |v_ULTIMATE.start_main_#t~short10_24|) (not (= 66 |v_ULTIMATE.start_main_#t~mem9_16|)) (= |v_ULTIMATE.start_main_#t~mem9_16| (select (select |v_#memory_int_56| v_~v~0.base_29) v_~v~0.offset_29)) (or (not (= 0 v_~v~0.base_29)) (not (= v_~v~0.offset_29 0))) (= 0 v_ULTIMATE.start___VERIFIER_assert_~expression_16) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|)) InVars {~v~0.offset=v_~v~0.offset_29, #memory_int=|v_#memory_int_56|, ~v~0.base=v_~v~0.base_29} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_16|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~v~0.offset=v_~v~0.offset_29, #memory_int=|v_#memory_int_56|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_24|, ~v~0.base=v_~v~0.base_29, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] {112#false} is VALID [2020-07-28 20:14:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:14:50,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187751689] [2020-07-28 20:14:50,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:14:50,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 20:14:50,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910197952] [2020-07-28 20:14:50,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 20:14:50,652 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:14:50,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:14:50,683 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:14:50,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:14:50,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 20:14:50,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:14:50,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:14:50,698 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-07-28 20:14:50,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:14:50,758 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-07-28 20:14:50,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:14:50,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 20:14:50,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:14:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:14:50,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2020-07-28 20:14:50,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:14:50,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2020-07-28 20:14:50,768 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 18 transitions. [2020-07-28 20:14:50,792 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:14:50,803 INFO L225 Difference]: With dead ends: 19 [2020-07-28 20:14:50,803 INFO L226 Difference]: Without dead ends: 18 [2020-07-28 20:14:50,805 INFO L675 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 [2020-07-28 20:14:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-07-28 20:14:50,833 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,835 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,836 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,837 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,838 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,839 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,840 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:14:50,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-07-28 20:14:50,841 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:14:50,842 INFO L82 GeneralOperation]: Start isEquivalent. First operand 18 states. Second operand 18 states. [2020-07-28 20:14:50,842 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2020-07-28 20:14:50,843 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2020-07-28 20:14:50,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:14:50,845 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2020-07-28 20:14:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-07-28 20:14:50,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:14:50,846 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:14:50,847 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2020-07-28 20:14:50,847 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2020-07-28 20:14:50,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:14:50,850 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2020-07-28 20:14:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-07-28 20:14:50,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:14:50,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:14:50,851 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:14:50,851 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:14:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-28 20:14:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-07-28 20:14:50,855 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-07-28 20:14:50,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:14:50,856 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-07-28 20:14:50,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:14:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-07-28 20:14:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 20:14:50,857 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:14:50,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:14:50,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 20:14:50,858 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:14:50,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:14:50,859 INFO L82 PathProgramCache]: Analyzing trace with hash 636866405, now seen corresponding path program 1 times [2020-07-28 20:14:50,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 20:14:50,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112840879] [2020-07-28 20:14:50,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 20:14:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 20:14:50,895 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 20:14:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 20:14:50,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 20:14:50,947 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 20:14:50,947 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 20:14:50,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 20:14:50,950 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-07-28 20:14:50,950 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-07-28 20:14:50,957 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [251] [251] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In808958110| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In808958110|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In808958110| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In808958110|) (= 0 |thread2Thread1of1ForFork0_#res.offset_Out808958110|) (= 0 |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out808958110|) (= |#memory_int_Out808958110| (store |#memory_int_In808958110| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In808958110| (store (select |#memory_int_In808958110| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In808958110|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In808958110| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In808958110|) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out808958110|))) (= 0 |thread2Thread1of1ForFork0_#res.base_Out808958110|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out808958110| (select (select |#memory_int_In808958110| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In808958110|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In808958110| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In808958110|)))) InVars {thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In808958110|, #memory_int=|#memory_int_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In808958110|} OutVars{thread2Thread1of1ForFork0_#res.offset=|thread2Thread1of1ForFork0_#res.offset_Out808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In808958110|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|thread2Thread1of1ForFork0_#t~strcpy~res4.base_Out808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In808958110|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|thread2Thread1of1ForFork0_#t~strcpy~res4.offset_Out808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In808958110|, thread2Thread1of1ForFork0_#res.base=|thread2Thread1of1ForFork0_#res.base_Out808958110|, #memory_int=|#memory_int_Out808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In808958110|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out808958110|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork0_#t~strcpy~res4.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2020-07-28 20:14:50,959 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [243] [243] L1107-->L1107-6: Formula: (let ((.cse3 (= 0 ~v~0.base_In879325945)) (.cse1 (= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out879325945|)) (.cse4 (= 0 ~v~0.offset_In879325945))) (or (let ((.cse0 (not |ULTIMATE.start_main_#t~short10_Out879325945|))) (and (or (and .cse0 (= 0 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out879325945|)) (and .cse1 |ULTIMATE.start_main_#t~short10_Out879325945|)) (= |ULTIMATE.start_main_#t~mem9_Out879325945| (select (select |#memory_int_In879325945| ~v~0.base_In879325945) ~v~0.offset_In879325945)) (let ((.cse2 (= |ULTIMATE.start_main_#t~mem9_Out879325945| 66))) (or (and .cse2 |ULTIMATE.start_main_#t~short10_Out879325945|) (and .cse0 (not .cse2)))) (or (not .cse3) (not .cse4)))) (and (= |ULTIMATE.start_main_#t~mem9_In879325945| |ULTIMATE.start_main_#t~mem9_Out879325945|) .cse3 .cse1 |ULTIMATE.start_main_#t~short10_Out879325945| .cse4))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In879325945|, ~v~0.offset=~v~0.offset_In879325945, #memory_int=|#memory_int_In879325945|, ~v~0.base=~v~0.base_In879325945} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out879325945|, ~v~0.offset=~v~0.offset_In879325945, #memory_int=|#memory_int_In879325945|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out879325945|, ~v~0.base=~v~0.base_In879325945, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out879325945|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-07-28 20:14:50,976 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,978 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,979 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,979 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,980 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,980 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,981 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,981 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,982 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,982 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,983 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,984 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,984 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,985 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,985 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,986 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,986 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,986 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,987 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,987 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,991 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,991 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:14:50,992 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,992 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:50,992 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:14:50,993 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:14:51,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 08:14:51 BasicIcfg [2020-07-28 20:14:51,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 20:14:51,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 20:14:51,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 20:14:51,040 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 20:14:51,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:14:47" (3/4) ... [2020-07-28 20:14:51,044 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 20:14:51,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 20:14:51,046 INFO L168 Benchmark]: Toolchain (without parser) took 5288.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 954.9 MB in the beginning and 992.8 MB in the end (delta: -38.0 MB). Peak memory consumption was 147.1 MB. Max. memory is 11.5 GB. [2020-07-28 20:14:51,047 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:14:51,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1104.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -74.9 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2020-07-28 20:14:51,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-07-28 20:14:51,049 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:14:51,050 INFO L168 Benchmark]: RCFGBuilder took 596.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 989.5 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2020-07-28 20:14:51,051 INFO L168 Benchmark]: TraceAbstraction took 3456.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 982.6 MB in the beginning and 992.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 76.3 MB. Max. memory is 11.5 GB. [2020-07-28 20:14:51,051 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 1.2 GB. Free memory is still 992.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:14:51,056 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1104.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -74.9 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 596.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 989.5 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3456.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 86.5 MB). Free memory was 982.6 MB in the beginning and 992.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 76.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.30 ms. Allocated memory is still 1.2 GB. Free memory is still 992.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_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_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_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_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_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_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_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_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 70 ProgramPointsBefore, 24 ProgramPointsAfterwards, 70 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 49 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 68 CheckedPairsTotal, 62 TotalNumberOfCompositions - UnprovableResult [Line: 1088]: 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 1097. Possible FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1092] 1 v = malloc(sizeof(char) * 8) [L1093] 1 return 0; [L1104] 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}] [L1105] 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}] [L1097] COND TRUE 2 \read(*v) [L1097] CALL 2 strcpy(v, "Bigshot") [L1106] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1106] 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}] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() 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, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 20:14:53,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 20:14:53,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 20:14:53,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 20:14:53,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 20:14:53,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 20:14:53,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 20:14:53,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 20:14:53,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 20:14:53,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 20:14:53,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 20:14:53,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 20:14:53,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 20:14:53,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 20:14:53,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 20:14:53,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 20:14:53,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 20:14:53,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 20:14:53,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 20:14:53,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 20:14:53,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 20:14:53,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 20:14:53,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 20:14:53,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 20:14:53,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 20:14:53,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 20:14:53,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 20:14:53,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 20:14:53,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 20:14:53,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 20:14:53,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 20:14:53,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 20:14:53,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 20:14:53,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 20:14:53,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 20:14:53,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 20:14:53,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 20:14:53,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 20:14:53,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 20:14:53,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 20:14:53,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 20:14:53,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 20:14:53,340 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 20:14:53,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 20:14:53,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 20:14:53,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 20:14:53,344 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 20:14:53,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 20:14:53,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 20:14:53,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 20:14:53,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 20:14:53,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 20:14:53,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 20:14:53,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 20:14:53,347 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 20:14:53,347 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 20:14:53,347 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 20:14:53,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 20:14:53,348 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 20:14:53,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 20:14:53,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 20:14:53,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 20:14:53,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 20:14:53,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 20:14:53,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:14:53,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 20:14:53,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 20:14:53,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 20:14:53,351 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 20:14:53,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 20:14:53,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 20:14:53,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 20:14:53,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 20:14:53,352 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f [2020-07-28 20:14:53,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 20:14:53,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 20:14:53,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 20:14:53,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 20:14:53,675 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 20:14:53,676 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-07-28 20:14:53,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4940a66/be1f93bc2c644b2d8c9fc4f2aa8d9329/FLAGf08178da5 [2020-07-28 20:14:54,373 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 20:14:54,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-07-28 20:14:54,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4940a66/be1f93bc2c644b2d8c9fc4f2aa8d9329/FLAGf08178da5 [2020-07-28 20:14:54,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b4940a66/be1f93bc2c644b2d8c9fc4f2aa8d9329 [2020-07-28 20:14:54,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 20:14:54,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 20:14:54,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 20:14:54,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 20:14:54,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 20:14:54,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:14:54" (1/1) ... [2020-07-28 20:14:54,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:54, skipping insertion in model container [2020-07-28 20:14:54,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 08:14:54" (1/1) ... [2020-07-28 20:14:54,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 20:14:54,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 20:14:55,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:14:55,359 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 20:14:55,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 20:14:55,616 INFO L208 MainTranslator]: Completed translation [2020-07-28 20:14:55,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55 WrapperNode [2020-07-28 20:14:55,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 20:14:55,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 20:14:55,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 20:14:55,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 20:14:55,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 20:14:55,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 20:14:55,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 20:14:55,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 20:14:55,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... [2020-07-28 20:14:55,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 20:14:55,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 20:14:55,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 20:14:55,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 20:14:55,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 20:14:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-07-28 20:14:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 20:14:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 20:14:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 20:14:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 20:14:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-07-28 20:14:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-07-28 20:14:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-07-28 20:14:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-07-28 20:14:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-07-28 20:14:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-28 20:14:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 20:14:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 20:14:55,828 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-07-28 20:14:56,342 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 20:14:56,343 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 20:14:56,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:14:56 BoogieIcfgContainer [2020-07-28 20:14:56,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 20:14:56,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 20:14:56,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 20:14:56,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 20:14:56,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 08:14:54" (1/3) ... [2020-07-28 20:14:56,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c310d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:14:56, skipping insertion in model container [2020-07-28 20:14:56,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 08:14:55" (2/3) ... [2020-07-28 20:14:56,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c310d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 08:14:56, skipping insertion in model container [2020-07-28 20:14:56,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:14:56" (3/3) ... [2020-07-28 20:14:56,358 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-07-28 20:14:56,369 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-07-28 20:14:56,370 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 20:14:56,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 20:14:56,379 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-07-28 20:14:56,425 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,425 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,426 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,426 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,426 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,427 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,429 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,430 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,430 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,431 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,432 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,433 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,433 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,434 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,435 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,435 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,436 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,436 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,436 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,438 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,438 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,438 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,439 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,439 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,440 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,441 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,447 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,447 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,451 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,451 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,452 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,452 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,452 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,460 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,461 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-07-28 20:14:56,489 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 20:14:56,513 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 20:14:56,514 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 20:14:56,514 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 20:14:56,514 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 20:14:56,514 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 20:14:56,515 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 20:14:56,515 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 20:14:56,515 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 20:14:56,532 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions, 164 flow [2020-07-28 20:14:56,535 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 164 flow [2020-07-28 20:14:56,582 INFO L129 PetriNetUnfolder]: 5/67 cut-off events. [2020-07-28 20:14:56,583 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-07-28 20:14:56,587 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 67 events. 5/67 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-07-28 20:14:56,589 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 164 flow [2020-07-28 20:14:56,613 INFO L129 PetriNetUnfolder]: 5/67 cut-off events. [2020-07-28 20:14:56,613 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-07-28 20:14:56,614 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 67 events. 5/67 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-07-28 20:14:56,616 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2020-07-28 20:14:56,617 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-07-28 20:14:59,283 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-07-28 20:14:59,501 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-07-28 20:14:59,782 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2020-07-28 20:15:00,307 INFO L206 etLargeBlockEncoding]: Checked pairs total: 64 [2020-07-28 20:15:00,307 INFO L214 etLargeBlockEncoding]: Total number of compositions: 66 [2020-07-28 20:15:00,311 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-07-28 20:15:00,319 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-07-28 20:15:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-28 20:15:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 20:15:00,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:15:00,327 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:15:00,327 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:15:00,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:15:00,333 INFO L82 PathProgramCache]: Analyzing trace with hash 76088929, now seen corresponding path program 1 times [2020-07-28 20:15:00,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 20:15:00,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381346078] [2020-07-28 20:15:00,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 20:15:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:15:00,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 20:15:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 20:15:00,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 20:15:00,498 INFO L280 TraceCheckUtils]: 0: Hoare triple {112#true} [246] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse2 (store |v_#valid_48| (_ bv0 32) (_ bv0 1)))) (let ((.cse1 (store .cse2 |v_#t~string3.base_9| (_ bv1 1)))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t1~0.base_17| (_ bv1 1)))) (and (= (_ bv0 32) |v_#NULL.offset_4|) (= roundNearestTiesToEven v_currentRoundingMode_5) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_18| (_ bv1 1))) (= |v_#length_30| (store (store (store |v_#length_32| |v_#t~string3.base_9| (_ bv8 32)) |v_ULTIMATE.start_main_~#t1~0.base_17| (_ bv4 32)) |v_ULTIMATE.start_main_~#t2~0.base_18| (_ bv4 32))) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t2~0.offset_16|) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t1~0.offset_15|) (bvult |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t2~0.base_18|) (bvult |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t1~0.base_17|) (= (select .cse1 |v_ULTIMATE.start_main_~#t1~0.base_17|) (_ bv0 1)) (= (_ bv0 32) v_~v~0.base_27) (= |v_#t~string3.offset_9| (_ bv0 32)) (= (select .cse2 |v_#t~string3.base_9|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_17| |v_#t~string3.base_9|) (= (_ bv0 32) v_~v~0.offset_27) (bvult (_ bv0 32) |v_#StackHeapBarrier_17|) (= |v_#memory_int_30| (store |v_#memory_int_31| |v_ULTIMATE.start_main_~#t1~0.base_17| (store (select |v_#memory_int_31| |v_ULTIMATE.start_main_~#t1~0.base_17|) |v_ULTIMATE.start_main_~#t1~0.offset_15| (_ bv0 32)))) (= |v_#NULL.base_4| (_ bv0 32)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_18|) (_ bv0 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_17|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_31|, #length=|v_#length_32|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_9|, ~v~0.base=v_~v~0.base_27, #NULL.base=|v_#NULL.base_4|, #t~string3.offset=|v_#t~string3.offset_9|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_17|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_14|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_14|, ~v~0.offset=v_~v~0.offset_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_10|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_30|, #length=|v_#length_30|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_12|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_23|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_15|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_18|, currentRoundingMode=v_currentRoundingMode_5, #t~string3.base=|v_#t~string3.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet7, ~v~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ~v~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_#t~mem6, ULTIMATE.start_main_#t~short10, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, currentRoundingMode, #t~string3.base] {112#true} is VALID [2020-07-28 20:15:00,499 INFO L280 TraceCheckUtils]: 1: Hoare triple {112#true} [183] L1103-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 (_ bv0 32)) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#in~arg.base_3|) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_3| (_ bv0 32))) InVars {} OutVars{thread1Thread1of1ForFork0_#t~malloc2.offset=|v_thread1Thread1of1ForFork0_#t~malloc2.offset_4|, thread1Thread1of1ForFork0_#t~malloc2.base=|v_thread1Thread1of1ForFork0_#t~malloc2.base_4|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_3|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_3|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_3|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~malloc2.offset, thread1Thread1of1ForFork0_#t~malloc2.base, thread1Thread1of1ForFork0_#in~arg.base, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_#in~arg.offset] {112#true} is VALID [2020-07-28 20:15:00,499 INFO L280 TraceCheckUtils]: 2: Hoare triple {112#true} [214] L1103-1-->L1104-1: Formula: (= (select (select |v_#memory_int_17| |v_ULTIMATE.start_main_~#t1~0.base_12|) |v_ULTIMATE.start_main_~#t1~0.offset_11|) |v_ULTIMATE.start_main_#t~mem6_9|) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_12|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_12|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_9|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] {112#true} is VALID [2020-07-28 20:15:00,507 INFO L280 TraceCheckUtils]: 3: Hoare triple {112#true} [235] thread1ENTRY-->thread1EXIT: Formula: (and (= |v_#length_23| (store |v_#length_24| |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| (_ bv8 32))) (= v_thread1Thread1of1ForFork0_~arg.offset_5 |v_thread1Thread1of1ForFork0_#in~arg.offset_5|) (not (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| (_ bv0 32))) (= (store |v_#valid_39| |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| (_ bv1 1)) |v_#valid_38|) (= v_thread1Thread1of1ForFork0_~arg.base_5 |v_thread1Thread1of1ForFork0_#in~arg.base_5|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_7| (_ bv0 32)) (= (select |v_#valid_39| |v_thread1Thread1of1ForFork0_#t~malloc2.base_7|) (_ bv0 1)) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.offset_5|) (bvult |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| |v_#StackHeapBarrier_14|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_7| v_~v~0.offset_23) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.base_5|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| v_~v~0.base_23)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, #valid=|v_#valid_39|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_24|} OutVars{thread1Thread1of1ForFork0_#t~malloc2.base=|v_thread1Thread1of1ForFork0_#t~malloc2.base_7|, thread1Thread1of1ForFork0_#t~malloc2.offset=|v_thread1Thread1of1ForFork0_#t~malloc2.offset_7|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_5|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_5, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_5|, ~v~0.base=v_~v~0.base_23, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ~v~0.offset=v_~v~0.offset_23, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_5, #valid=|v_#valid_38|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_23|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~malloc2.base, thread1Thread1of1ForFork0_#t~malloc2.offset, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, ~v~0.offset, thread1Thread1of1ForFork0_~arg.base, #valid, thread1Thread1of1ForFork0_#res.offset, #length, ~v~0.base] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,508 INFO L280 TraceCheckUtils]: 4: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [187] thread1EXIT-->L1104-2: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem6_7|) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_7|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_7|} AuxVars[] AssignedVars[] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,508 INFO L280 TraceCheckUtils]: 5: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [91] L1104-2-->L1105: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem6] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,509 INFO L280 TraceCheckUtils]: 6: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [122] L1105-->L1105-1: Formula: (= |v_#memory_int_8| (store |v_#memory_int_9| |v_ULTIMATE.start_main_~#t2~0.base_5| (store (select |v_#memory_int_9| |v_ULTIMATE.start_main_~#t2~0.base_5|) |v_ULTIMATE.start_main_~#t2~0.offset_5| (_ bv1 32)))) InVars {#memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_5|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_5|} OutVars{#memory_int=|v_#memory_int_8|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_5|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_5|} AuxVars[] AssignedVars[#memory_int] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,510 INFO L280 TraceCheckUtils]: 7: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [185] L1105-1-->thread2ENTRY: Formula: (and (= |v_thread2Thread1of1ForFork1_#in~arg.offset_3| (_ bv0 32)) (= v_thread2Thread1of1ForFork1_thidvar0_2 (_ bv1 32)) (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_4|, thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_3|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_3, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_8|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_5|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_5|, thread2Thread1of1ForFork1_#t~strcpy~res4.offset=|v_thread2Thread1of1ForFork1_#t~strcpy~res4.offset_4|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_5|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_5|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_3|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_3, thread2Thread1of1ForFork1_#t~strcpy~res4.base=|v_thread2Thread1of1ForFork1_#t~strcpy~res4.base_4|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_3|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_4|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_3|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset, thread2Thread1of1ForFork1_#t~strcpy~res4.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork1_#in~arg.offset, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~strcpy~res4.base, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset, thread2Thread1of1ForFork1_#in~arg.base, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,511 INFO L280 TraceCheckUtils]: 8: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [243] thread2ENTRY-->thread2EXIT: Formula: (and (= v_thread2Thread1of1ForFork1_~arg.base_9 |v_thread2Thread1of1ForFork1_#in~arg.base_9|) (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#res.base_7|) (= (_ bv0 32) v_~v~0.offset_26) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_9| v_thread2Thread1of1ForFork1_~arg.offset_9) (= (_ bv0 32) v_~v~0.base_26) (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#res.offset_7|)) InVars {thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_9|, ~v~0.offset=v_~v~0.offset_26, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_9|, ~v~0.base=v_~v~0.base_26} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_7|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_9|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_9, ~v~0.offset=v_~v~0.offset_26, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_9, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_7|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_9|, ~v~0.base=v_~v~0.base_26} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#res.base] {113#false} is VALID [2020-07-28 20:15:00,511 INFO L280 TraceCheckUtils]: 9: Hoare triple {113#false} [197] L1105-2-->L1106-1: Formula: (= |v_ULTIMATE.start_main_#t~mem8_9| (select (select |v_#memory_int_11| |v_ULTIMATE.start_main_~#t2~0.base_9|) |v_ULTIMATE.start_main_~#t2~0.offset_8|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_4|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] {113#false} is VALID [2020-07-28 20:15:00,512 INFO L280 TraceCheckUtils]: 10: Hoare triple {113#false} [188] thread2EXIT-->L1106-2: Formula: (= v_thread2Thread1of1ForFork1_thidvar0_6 |v_ULTIMATE.start_main_#t~mem8_5|) InVars {ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} AuxVars[] AssignedVars[] {113#false} is VALID [2020-07-28 20:15:00,512 INFO L280 TraceCheckUtils]: 11: Hoare triple {113#false} [140] L1106-2-->L1107: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8] {113#false} is VALID [2020-07-28 20:15:00,512 INFO L280 TraceCheckUtils]: 12: Hoare triple {113#false} [249] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not |v_ULTIMATE.start_main_#t~short10_24|) (or (not (= (_ bv0 32) v_~v~0.base_28)) (not (= (_ bv0 32) v_~v~0.offset_28))) (not (= ((_ sign_extend 24) |v_ULTIMATE.start_main_#t~mem9_15|) (_ bv66 32))) (= ((_ extract 7 0) (select (select |v_#memory_int_32| v_~v~0.base_28) v_~v~0.offset_28)) |v_ULTIMATE.start_main_#t~mem9_15|) (= (_ bv0 32) v_ULTIMATE.start___VERIFIER_assert_~expression_15) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_12| v_ULTIMATE.start___VERIFIER_assert_~expression_15)) InVars {~v~0.offset=v_~v~0.offset_28, #memory_int=|v_#memory_int_32|, ~v~0.base=v_~v~0.base_28} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_15|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_15, ~v~0.offset=v_~v~0.offset_28, #memory_int=|v_#memory_int_32|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_24|, ~v~0.base=v_~v~0.base_28, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] {113#false} is VALID [2020-07-28 20:15:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:15:00,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 20:15:00,535 INFO L280 TraceCheckUtils]: 12: Hoare triple {113#false} [249] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not |v_ULTIMATE.start_main_#t~short10_24|) (or (not (= (_ bv0 32) v_~v~0.base_28)) (not (= (_ bv0 32) v_~v~0.offset_28))) (not (= ((_ sign_extend 24) |v_ULTIMATE.start_main_#t~mem9_15|) (_ bv66 32))) (= ((_ extract 7 0) (select (select |v_#memory_int_32| v_~v~0.base_28) v_~v~0.offset_28)) |v_ULTIMATE.start_main_#t~mem9_15|) (= (_ bv0 32) v_ULTIMATE.start___VERIFIER_assert_~expression_15) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_12| v_ULTIMATE.start___VERIFIER_assert_~expression_15)) InVars {~v~0.offset=v_~v~0.offset_28, #memory_int=|v_#memory_int_32|, ~v~0.base=v_~v~0.base_28} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_15|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_15, ~v~0.offset=v_~v~0.offset_28, #memory_int=|v_#memory_int_32|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_24|, ~v~0.base=v_~v~0.base_28, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] {113#false} is VALID [2020-07-28 20:15:00,535 INFO L280 TraceCheckUtils]: 11: Hoare triple {113#false} [140] L1106-2-->L1107: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8] {113#false} is VALID [2020-07-28 20:15:00,536 INFO L280 TraceCheckUtils]: 10: Hoare triple {113#false} [188] thread2EXIT-->L1106-2: Formula: (= v_thread2Thread1of1ForFork1_thidvar0_6 |v_ULTIMATE.start_main_#t~mem8_5|) InVars {ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_5|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_6} AuxVars[] AssignedVars[] {113#false} is VALID [2020-07-28 20:15:00,536 INFO L280 TraceCheckUtils]: 9: Hoare triple {113#false} [197] L1105-2-->L1106-1: Formula: (= |v_ULTIMATE.start_main_#t~mem8_9| (select (select |v_#memory_int_11| |v_ULTIMATE.start_main_~#t2~0.base_9|) |v_ULTIMATE.start_main_~#t2~0.offset_8|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_4|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] {113#false} is VALID [2020-07-28 20:15:00,537 INFO L280 TraceCheckUtils]: 8: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [243] thread2ENTRY-->thread2EXIT: Formula: (and (= v_thread2Thread1of1ForFork1_~arg.base_9 |v_thread2Thread1of1ForFork1_#in~arg.base_9|) (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#res.base_7|) (= (_ bv0 32) v_~v~0.offset_26) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_9| v_thread2Thread1of1ForFork1_~arg.offset_9) (= (_ bv0 32) v_~v~0.base_26) (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#res.offset_7|)) InVars {thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_9|, ~v~0.offset=v_~v~0.offset_26, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_9|, ~v~0.base=v_~v~0.base_26} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_7|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_9|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_9, ~v~0.offset=v_~v~0.offset_26, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_9, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_7|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_9|, ~v~0.base=v_~v~0.base_26} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#res.base] {113#false} is VALID [2020-07-28 20:15:00,538 INFO L280 TraceCheckUtils]: 7: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [185] L1105-1-->thread2ENTRY: Formula: (and (= |v_thread2Thread1of1ForFork1_#in~arg.offset_3| (_ bv0 32)) (= v_thread2Thread1of1ForFork1_thidvar0_2 (_ bv1 32)) (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#in~arg.base_3|)) InVars {} OutVars{thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_4|, thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_3|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_3, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_8|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_5|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_5|, thread2Thread1of1ForFork1_#t~strcpy~res4.offset=|v_thread2Thread1of1ForFork1_#t~strcpy~res4.offset_4|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_5|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_5|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_3|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_3, thread2Thread1of1ForFork1_#t~strcpy~res4.base=|v_thread2Thread1of1ForFork1_#t~strcpy~res4.base_4|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_3|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_4|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_3|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset, thread2Thread1of1ForFork1_#t~strcpy~res4.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork1_#in~arg.offset, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~strcpy~res4.base, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset, thread2Thread1of1ForFork1_#in~arg.base, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,538 INFO L280 TraceCheckUtils]: 6: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [122] L1105-->L1105-1: Formula: (= |v_#memory_int_8| (store |v_#memory_int_9| |v_ULTIMATE.start_main_~#t2~0.base_5| (store (select |v_#memory_int_9| |v_ULTIMATE.start_main_~#t2~0.base_5|) |v_ULTIMATE.start_main_~#t2~0.offset_5| (_ bv1 32)))) InVars {#memory_int=|v_#memory_int_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_5|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_5|} OutVars{#memory_int=|v_#memory_int_8|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_5|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_5|} AuxVars[] AssignedVars[#memory_int] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,539 INFO L280 TraceCheckUtils]: 5: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [91] L1104-2-->L1105: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem6] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,540 INFO L280 TraceCheckUtils]: 4: Hoare triple {126#(not (= ~v~0.base (_ bv0 32)))} [187] thread1EXIT-->L1104-2: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 |v_ULTIMATE.start_main_#t~mem6_7|) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_7|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_7|} AuxVars[] AssignedVars[] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,541 INFO L280 TraceCheckUtils]: 3: Hoare triple {112#true} [235] thread1ENTRY-->thread1EXIT: Formula: (and (= |v_#length_23| (store |v_#length_24| |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| (_ bv8 32))) (= v_thread1Thread1of1ForFork0_~arg.offset_5 |v_thread1Thread1of1ForFork0_#in~arg.offset_5|) (not (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| (_ bv0 32))) (= (store |v_#valid_39| |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| (_ bv1 1)) |v_#valid_38|) (= v_thread1Thread1of1ForFork0_~arg.base_5 |v_thread1Thread1of1ForFork0_#in~arg.base_5|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_7| (_ bv0 32)) (= (select |v_#valid_39| |v_thread1Thread1of1ForFork0_#t~malloc2.base_7|) (_ bv0 1)) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.offset_5|) (bvult |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| |v_#StackHeapBarrier_14|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_7| v_~v~0.offset_23) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.base_5|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_7| v_~v~0.base_23)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, #valid=|v_#valid_39|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_24|} OutVars{thread1Thread1of1ForFork0_#t~malloc2.base=|v_thread1Thread1of1ForFork0_#t~malloc2.base_7|, thread1Thread1of1ForFork0_#t~malloc2.offset=|v_thread1Thread1of1ForFork0_#t~malloc2.offset_7|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_5|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_5, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_5|, ~v~0.base=v_~v~0.base_23, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ~v~0.offset=v_~v~0.offset_23, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_5, #valid=|v_#valid_38|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_23|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~malloc2.base, thread1Thread1of1ForFork0_#t~malloc2.offset, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, ~v~0.offset, thread1Thread1of1ForFork0_~arg.base, #valid, thread1Thread1of1ForFork0_#res.offset, #length, ~v~0.base] {126#(not (= ~v~0.base (_ bv0 32)))} is VALID [2020-07-28 20:15:00,541 INFO L280 TraceCheckUtils]: 2: Hoare triple {112#true} [214] L1103-1-->L1104-1: Formula: (= (select (select |v_#memory_int_17| |v_ULTIMATE.start_main_~#t1~0.base_12|) |v_ULTIMATE.start_main_~#t1~0.offset_11|) |v_ULTIMATE.start_main_#t~mem6_9|) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_12|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_12|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_9|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] {112#true} is VALID [2020-07-28 20:15:00,542 INFO L280 TraceCheckUtils]: 1: Hoare triple {112#true} [183] L1103-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 (_ bv0 32)) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#in~arg.base_3|) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_3| (_ bv0 32))) InVars {} OutVars{thread1Thread1of1ForFork0_#t~malloc2.offset=|v_thread1Thread1of1ForFork0_#t~malloc2.offset_4|, thread1Thread1of1ForFork0_#t~malloc2.base=|v_thread1Thread1of1ForFork0_#t~malloc2.base_4|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_3|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_3|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_3|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~malloc2.offset, thread1Thread1of1ForFork0_#t~malloc2.base, thread1Thread1of1ForFork0_#in~arg.base, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_#in~arg.offset] {112#true} is VALID [2020-07-28 20:15:00,542 INFO L280 TraceCheckUtils]: 0: Hoare triple {112#true} [246] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse2 (store |v_#valid_48| (_ bv0 32) (_ bv0 1)))) (let ((.cse1 (store .cse2 |v_#t~string3.base_9| (_ bv1 1)))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t1~0.base_17| (_ bv1 1)))) (and (= (_ bv0 32) |v_#NULL.offset_4|) (= roundNearestTiesToEven v_currentRoundingMode_5) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_18| (_ bv1 1))) (= |v_#length_30| (store (store (store |v_#length_32| |v_#t~string3.base_9| (_ bv8 32)) |v_ULTIMATE.start_main_~#t1~0.base_17| (_ bv4 32)) |v_ULTIMATE.start_main_~#t2~0.base_18| (_ bv4 32))) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t2~0.offset_16|) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t1~0.offset_15|) (bvult |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t2~0.base_18|) (bvult |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t1~0.base_17|) (= (select .cse1 |v_ULTIMATE.start_main_~#t1~0.base_17|) (_ bv0 1)) (= (_ bv0 32) v_~v~0.base_27) (= |v_#t~string3.offset_9| (_ bv0 32)) (= (select .cse2 |v_#t~string3.base_9|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_17| |v_#t~string3.base_9|) (= (_ bv0 32) v_~v~0.offset_27) (bvult (_ bv0 32) |v_#StackHeapBarrier_17|) (= |v_#memory_int_30| (store |v_#memory_int_31| |v_ULTIMATE.start_main_~#t1~0.base_17| (store (select |v_#memory_int_31| |v_ULTIMATE.start_main_~#t1~0.base_17|) |v_ULTIMATE.start_main_~#t1~0.offset_15| (_ bv0 32)))) (= |v_#NULL.base_4| (_ bv0 32)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_18|) (_ bv0 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_17|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_31|, #length=|v_#length_32|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_9|, ~v~0.base=v_~v~0.base_27, #NULL.base=|v_#NULL.base_4|, #t~string3.offset=|v_#t~string3.offset_9|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_17|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_14|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_14|, ~v~0.offset=v_~v~0.offset_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_10|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_30|, #length=|v_#length_30|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_12|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_23|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_15|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_18|, currentRoundingMode=v_currentRoundingMode_5, #t~string3.base=|v_#t~string3.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet7, ~v~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ~v~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_#t~mem6, ULTIMATE.start_main_#t~short10, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, currentRoundingMode, #t~string3.base] {112#true} is VALID [2020-07-28 20:15:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 20:15:00,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381346078] [2020-07-28 20:15:00,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 20:15:00,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-07-28 20:15:00,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395016960] [2020-07-28 20:15:00,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 20:15:00,553 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 20:15:00,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 20:15:00,581 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:15:00,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 20:15:00,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 20:15:00,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 20:15:00,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 20:15:00,594 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-07-28 20:15:00,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:15:00,667 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-07-28 20:15:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 20:15:00,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-07-28 20:15:00,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 20:15:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:15:00,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2020-07-28 20:15:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 20:15:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2020-07-28 20:15:00,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 18 transitions. [2020-07-28 20:15:00,722 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 20:15:00,732 INFO L225 Difference]: With dead ends: 19 [2020-07-28 20:15:00,732 INFO L226 Difference]: Without dead ends: 18 [2020-07-28 20:15:00,733 INFO L675 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 [2020-07-28 20:15:00,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-07-28 20:15:00,756 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,757 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,758 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,759 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,760 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,761 WARN L146 ateFactoryRefinement]: Check not implemented [2020-07-28 20:15:00,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-07-28 20:15:00,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 20:15:00,765 INFO L82 GeneralOperation]: Start isEquivalent. First operand 18 states. Second operand 18 states. [2020-07-28 20:15:00,766 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2020-07-28 20:15:00,766 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2020-07-28 20:15:00,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:15:00,776 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2020-07-28 20:15:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-07-28 20:15:00,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:15:00,777 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:15:00,777 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand 18 states. [2020-07-28 20:15:00,778 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 18 states. [2020-07-28 20:15:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 20:15:00,782 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2020-07-28 20:15:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-07-28 20:15:00,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 20:15:00,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 20:15:00,785 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 20:15:00,785 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 20:15:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-07-28 20:15:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-07-28 20:15:00,793 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-07-28 20:15:00,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 20:15:00,793 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-07-28 20:15:00,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 20:15:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-07-28 20:15:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-28 20:15:00,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 20:15:00,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 20:15:01,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 20:15:01,010 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 20:15:01,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 20:15:01,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1080855270, now seen corresponding path program 1 times [2020-07-28 20:15:01,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 20:15:01,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247012605] [2020-07-28 20:15:01,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-28 20:15:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 20:15:01,099 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 20:15:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 20:15:01,129 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 20:15:01,172 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-28 20:15:01,173 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 20:15:01,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 20:15:01,389 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-07-28 20:15:01,389 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-07-28 20:15:01,396 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [257] [257] L-1-6-->thread2EXIT: Formula: (and (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out1328574690|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out1328574690| (_ bv0 8)) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.base_Out1328574690|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1328574690| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1328574690|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1328574690| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1328574690|) (= (store |#memory_int_In1328574690| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1328574690| (store (select |#memory_int_In1328574690| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1328574690|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1328574690| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In1328574690|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out1328574690|))) |#memory_int_Out1328574690|) (= ((_ extract 7 0) (select (select |#memory_int_In1328574690| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1328574690|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1328574690| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In1328574690|))) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out1328574690|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1328574690|, #memory_int=|#memory_int_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1328574690|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1328574690|, thread2Thread1of1ForFork1_#t~strcpy~res4.offset=|thread2Thread1of1ForFork1_#t~strcpy~res4.offset_Out1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1328574690|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out1328574690|, thread2Thread1of1ForFork1_#t~strcpy~res4.base=|thread2Thread1of1ForFork1_#t~strcpy~res4.base_Out1328574690|, #memory_int=|#memory_int_Out1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1328574690|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out1328574690|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork1_#t~strcpy~res4.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2020-07-28 20:15:01,397 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [245] [245] L1107-->L1107-6: Formula: (let ((.cse3 (= (_ bv0 32) ~v~0.offset_In428957232)) (.cse4 (= ~v~0.base_In428957232 (_ bv0 32))) (.cse0 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out428957232| (_ bv1 32)))) (or (let ((.cse1 (not |ULTIMATE.start_main_#t~short10_Out428957232|))) (and (or (and |ULTIMATE.start_main_#t~short10_Out428957232| .cse0) (and .cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out428957232| (_ bv0 32)))) (= |ULTIMATE.start_main_#t~mem9_Out428957232| ((_ extract 7 0) (select (select |#memory_int_In428957232| ~v~0.base_In428957232) ~v~0.offset_In428957232))) (let ((.cse2 (= ((_ sign_extend 24) |ULTIMATE.start_main_#t~mem9_Out428957232|) (_ bv66 32)))) (or (and .cse2 |ULTIMATE.start_main_#t~short10_Out428957232|) (and .cse1 (not .cse2)))) (or (not .cse3) (not .cse4)))) (and .cse3 |ULTIMATE.start_main_#t~short10_Out428957232| .cse4 .cse0 (= |ULTIMATE.start_main_#t~mem9_In428957232| |ULTIMATE.start_main_#t~mem9_Out428957232|)))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In428957232|, ~v~0.offset=~v~0.offset_In428957232, #memory_int=|#memory_int_In428957232|, ~v~0.base=~v~0.base_In428957232} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out428957232|, ~v~0.offset=~v~0.offset_In428957232, #memory_int=|#memory_int_In428957232|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out428957232|, ~v~0.base=~v~0.base_In428957232, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out428957232|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-07-28 20:15:01,424 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,426 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,426 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,426 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,427 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,427 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:15:01,428 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:15:01,428 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,428 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,429 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,429 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,429 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:15:01,430 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:15:01,430 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,430 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,431 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,431 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,432 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:15:01,432 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-07-28 20:15:01,432 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-07-28 20:15:01,433 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,433 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-07-28 20:15:01,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 08:15:01 BasicIcfg [2020-07-28 20:15:01,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 20:15:01,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 20:15:01,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 20:15:01,460 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 20:15:01,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 08:14:56" (3/4) ... [2020-07-28 20:15:01,464 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 20:15:01,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 20:15:01,466 INFO L168 Benchmark]: Toolchain (without parser) took 6891.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 954.9 MB in the beginning and 974.2 MB in the end (delta: -19.4 MB). Peak memory consumption was 198.7 MB. Max. memory is 11.5 GB. [2020-07-28 20:15:01,467 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:15:01,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -109.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2020-07-28 20:15:01,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:15:01,469 INFO L168 Benchmark]: Boogie Preprocessor took 59.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 20:15:01,470 INFO L168 Benchmark]: RCFGBuilder took 603.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2020-07-28 20:15:01,471 INFO L168 Benchmark]: TraceAbstraction took 5109.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 974.2 MB in the end (delta: 50.2 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. [2020-07-28 20:15:01,471 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 1.2 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 20:15:01,475 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1039.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -109.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 603.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5109.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 974.2 MB in the end (delta: 50.2 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 ms. Allocated memory is still 1.2 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.7s, 71 ProgramPointsBefore, 24 ProgramPointsAfterwards, 71 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 49 VarBasedMoverChecksPositive, 2 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 2 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 64 CheckedPairsTotal, 66 TotalNumberOfCompositions - UnprovableResult [Line: 1088]: 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 1097. Possible FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1092] 1 v = malloc(sizeof(char) * 8) [L1093] 1 return 0; [L1104] 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}] [L1105] 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}] [L1106] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1097] COND TRUE 2 \read(*v) [L1097] CALL 2 strcpy(v, "Bigshot") [L1106] 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}] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() 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, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 SizeOfPredicates, 1 NumberOfNonLiveVariables, 57 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...