./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/bigshot_s.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/bigshot_s.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9f172a17df4ef17f10c6b822660934ae26b9e18 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/bigshot_s.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9f172a17df4ef17f10c6b822660934ae26b9e18 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 00:05:02,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:05:02,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:05:02,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:05:02,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:05:02,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:05:02,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:05:02,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:05:02,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:05:02,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:05:02,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:05:02,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:05:02,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:05:02,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:05:02,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:05:02,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:05:02,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:05:02,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:05:02,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:05:02,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:05:02,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:05:02,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:05:02,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:05:02,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:05:02,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:05:02,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:05:02,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:05:02,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:05:02,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:05:02,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:05:02,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:05:02,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:05:02,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:05:02,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:05:02,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:05:02,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:05:02,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:05:02,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:05:02,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:05:02,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:05:02,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:05:02,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:05:02,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:05:02,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:05:02,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:05:02,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:05:02,772 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:05:02,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:05:02,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:05:02,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:05:02,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:05:02,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:05:02,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:05:02,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:05:02,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:05:02,774 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:05:02,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:05:02,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:05:02,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:05:02,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:05:02,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:05:02,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:05:02,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:05:02,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:05:02,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:05:02,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:05:02,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:05:02,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:05:02,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:05:02,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:05:02,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:05:02,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9f172a17df4ef17f10c6b822660934ae26b9e18 [2020-10-26 00:05:03,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:05:03,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:05:03,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:05:03,229 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:05:03,230 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:05:03,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-10-26 00:05:03,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5b7e124/a06c04784fad4c03947c6a3cc37b4606/FLAG8b15fa8f8 [2020-10-26 00:05:04,214 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:05:04,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-10-26 00:05:04,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5b7e124/a06c04784fad4c03947c6a3cc37b4606/FLAG8b15fa8f8 [2020-10-26 00:05:04,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df5b7e124/a06c04784fad4c03947c6a3cc37b4606 [2020-10-26 00:05:04,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:05:04,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:05:04,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:05:04,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:05:04,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:05:04,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:05:04" (1/1) ... [2020-10-26 00:05:04,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2841e6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:04, skipping insertion in model container [2020-10-26 00:05:04,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:05:04" (1/1) ... [2020-10-26 00:05:04,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:05:04,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:05:05,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:05:05,063 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 00:05:05,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:05:05,359 INFO L208 MainTranslator]: Completed translation [2020-10-26 00:05:05,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05 WrapperNode [2020-10-26 00:05:05,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:05:05,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 00:05:05,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 00:05:05,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 00:05:05,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 00:05:05,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 00:05:05,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 00:05:05,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 00:05:05,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... [2020-10-26 00:05:05,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 00:05:05,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 00:05:05,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 00:05:05,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 00:05:05,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:05:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 00:05:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 00:05:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-26 00:05:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 00:05:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-26 00:05:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-26 00:05:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-26 00:05:05,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-26 00:05:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 00:05:05,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 00:05:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 00:05:05,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 00:05:05,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 00:05:05,606 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-26 00:05:06,243 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 00:05:06,243 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-26 00:05:06,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:05:06 BoogieIcfgContainer [2020-10-26 00:05:06,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 00:05:06,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 00:05:06,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 00:05:06,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 00:05:06,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 12:05:04" (1/3) ... [2020-10-26 00:05:06,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36abc62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:05:06, skipping insertion in model container [2020-10-26 00:05:06,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:05" (2/3) ... [2020-10-26 00:05:06,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36abc62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:05:06, skipping insertion in model container [2020-10-26 00:05:06,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:05:06" (3/3) ... [2020-10-26 00:05:06,258 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-10-26 00:05:06,276 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-26 00:05:06,277 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 00:05:06,285 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 00:05:06,287 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-26 00:05:06,327 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,327 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,328 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,328 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,332 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,332 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,332 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,333 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,333 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,334 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,335 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,335 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,335 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,336 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,337 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,337 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,338 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,338 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,338 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,339 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,339 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,339 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,340 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,340 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,340 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,341 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,341 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,342 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,343 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,343 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,343 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,344 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,344 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,345 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,345 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,345 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,346 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,347 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,347 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,347 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,347 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,351 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,352 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,352 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,352 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,364 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,364 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,365 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,365 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,365 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,367 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,368 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,368 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,368 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,369 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,369 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,369 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,370 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:06,383 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-26 00:05:06,397 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-26 00:05:06,449 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 00:05:06,449 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 00:05:06,450 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 00:05:06,450 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 00:05:06,450 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 00:05:06,450 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 00:05:06,450 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 00:05:06,451 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 00:05:06,469 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-26 00:05:06,478 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 79 transitions, 180 flow [2020-10-26 00:05:06,483 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 79 transitions, 180 flow [2020-10-26 00:05:06,486 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 79 transitions, 180 flow [2020-10-26 00:05:06,555 INFO L129 PetriNetUnfolder]: 6/75 cut-off events. [2020-10-26 00:05:06,556 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-26 00:05:06,564 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 75 events. 6/75 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-26 00:05:06,567 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-26 00:05:08,249 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-26 00:05:08,821 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-10-26 00:05:08,974 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-26 00:05:09,217 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-10-26 00:05:09,528 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-26 00:05:09,674 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-26 00:05:09,710 INFO L131 LiptonReduction]: Checked pairs total: 235 [2020-10-26 00:05:09,710 INFO L133 LiptonReduction]: Total number of compositions: 82 [2020-10-26 00:05:09,717 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-26 00:05:09,728 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-26 00:05:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-26 00:05:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-26 00:05:09,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:05:09,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:05:09,739 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:05:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:05:09,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1514158281, now seen corresponding path program 1 times [2020-10-26 00:05:09,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:05:09,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845452095] [2020-10-26 00:05:09,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:05:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:05:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:05:10,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845452095] [2020-10-26 00:05:10,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:05:10,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 00:05:10,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474755127] [2020-10-26 00:05:10,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 00:05:10,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:05:10,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 00:05:10,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:05:10,038 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-26 00:05:10,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:05:10,073 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-26 00:05:10,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 00:05:10,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-26 00:05:10,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:05:10,085 INFO L225 Difference]: With dead ends: 19 [2020-10-26 00:05:10,085 INFO L226 Difference]: Without dead ends: 18 [2020-10-26 00:05:10,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:05:10,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-26 00:05:10,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-26 00:05:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-26 00:05:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-26 00:05:10,127 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-26 00:05:10,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:05:10,128 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-26 00:05:10,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 00:05:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-26 00:05:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-26 00:05:10,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:05:10,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:05:10,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 00:05:10,130 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:05:10,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:05:10,131 INFO L82 PathProgramCache]: Analyzing trace with hash 305180444, now seen corresponding path program 1 times [2020-10-26 00:05:10,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:05:10,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482263762] [2020-10-26 00:05:10,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:05:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:05:10,177 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:05:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:05:10,218 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:05:10,277 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 00:05:10,278 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 00:05:10,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 00:05:10,282 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-26 00:05:10,283 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-26 00:05:10,293 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [282] [282] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#res.offset_Out1529868465| 0) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1529868465| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1529868465|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1529868465| (select (select |#memory_int_In1529868465| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1529868465|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1529868465| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1529868465|))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1529868465| 0) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1529868465| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1529868465|) (= (store |#memory_int_In1529868465| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1529868465| (store (select |#memory_int_In1529868465| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1529868465|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1529868465| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1529868465|) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1529868465|)) |#memory_int_Out1529868465|) (= |thread2Thread1of1ForFork1_#res.base_Out1529868465| 0)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1529868465|, #memory_int=|#memory_int_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1529868465|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In1529868465|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In1529868465|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out1529868465|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out1529868465|, #memory_int=|#memory_int_Out1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In1529868465|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out1529868465|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-10-26 00:05:10,296 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [275] [275] L1118-->L1099: Formula: (let ((.cse0 (= ~v~0.base_In1280245266 0)) (.cse2 (= ~v~0.offset_In1280245266 0)) (.cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1280245266| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_#t~mem12_In1280245266| |ULTIMATE.start_main_#t~mem12_Out1280245266|) .cse2 |ULTIMATE.start_main_#t~short13_Out1280245266|) (let ((.cse3 (not |ULTIMATE.start_main_#t~short13_Out1280245266|))) (and (or (not .cse0) (not .cse2)) (or (and .cse3 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1280245266| 0)) (and .cse1 |ULTIMATE.start_main_#t~short13_Out1280245266|)) (= (select (select |#memory_int_In1280245266| ~v~0.base_In1280245266) ~v~0.offset_In1280245266) |ULTIMATE.start_main_#t~mem12_Out1280245266|) (let ((.cse4 (= 66 |ULTIMATE.start_main_#t~mem12_Out1280245266|))) (or (and (not .cse4) .cse3) (and |ULTIMATE.start_main_#t~short13_Out1280245266| .cse4))))))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In1280245266|, ~v~0.offset=~v~0.offset_In1280245266, #memory_int=|#memory_int_In1280245266|, ~v~0.base=~v~0.base_In1280245266} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out1280245266|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out1280245266, ~v~0.offset=~v~0.offset_In1280245266, #memory_int=|#memory_int_In1280245266|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out1280245266|, ~v~0.base=~v~0.base_In1280245266, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out1280245266|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-10-26 00:05:10,323 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,324 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,325 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,325 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,326 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,327 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,329 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:10,332 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:10,333 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,334 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:10,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,336 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:10,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,339 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,340 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:10,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:10,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:10,341 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:10,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 12:05:10 BasicIcfg [2020-10-26 00:05:10,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 00:05:10,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 00:05:10,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 00:05:10,384 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 00:05:10,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:05:06" (3/4) ... [2020-10-26 00:05:10,389 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 00:05:10,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 00:05:10,392 INFO L168 Benchmark]: Toolchain (without parser) took 5967.56 ms. Allocated memory was 48.2 MB in the beginning and 104.9 MB in the end (delta: 56.6 MB). Free memory was 31.1 MB in the beginning and 46.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:10,394 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:05:10,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 931.24 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 30.4 MB in the end (delta: 178.6 kB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:10,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 28.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:10,399 INFO L168 Benchmark]: Boogie Preprocessor took 61.54 ms. Allocated memory is still 58.7 MB. Free memory was 28.3 MB in the beginning and 26.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:10,400 INFO L168 Benchmark]: RCFGBuilder took 720.33 ms. Allocated memory is still 58.7 MB. Free memory was 26.7 MB in the beginning and 24.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:10,401 INFO L168 Benchmark]: TraceAbstraction took 4133.33 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 24.0 MB in the beginning and 46.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:10,404 INFO L168 Benchmark]: Witness Printer took 5.86 ms. Allocated memory is still 104.9 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:05:10,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 26.3 MB in the beginning and 26.2 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 931.24 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 30.4 MB in the end (delta: 178.6 kB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 58.7 MB. Free memory was 30.4 MB in the beginning and 28.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.54 ms. Allocated memory is still 58.7 MB. Free memory was 28.3 MB in the beginning and 26.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 720.33 ms. Allocated memory is still 58.7 MB. Free memory was 26.7 MB in the beginning and 24.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4133.33 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 24.0 MB in the beginning and 46.4 MB in the end (delta: -22.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.86 ms. Allocated memory is still 104.9 MB. Free memory is still 46.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_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_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 76 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 78 PlacesBefore, 24 PlacesAfterwards, 79 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 82 TotalNumberOfCompositions, 235 MoverChecksTotal - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1108. Possible FailurePath: [L1100] 0 char *v; [L1113] 0 pthread_t t1, t2; [L1114] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1103] 1 v = malloc(sizeof(char) * 8) [L1104] 1 return 0; [L1115] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1115] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1116] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1117] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1108] COND TRUE 2 \read(*v) [L1108] CALL 2 strcpy(v, "Bigshot") [L1117] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1099] COND TRUE 0 !expression [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 00:05:12,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:05:12,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:05:13,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:05:13,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:05:13,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:05:13,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:05:13,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:05:13,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:05:13,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:05:13,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:05:13,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:05:13,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:05:13,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:05:13,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:05:13,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:05:13,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:05:13,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:05:13,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:05:13,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:05:13,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:05:13,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:05:13,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:05:13,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:05:13,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:05:13,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:05:13,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:05:13,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:05:13,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:05:13,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:05:13,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:05:13,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:05:13,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:05:13,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:05:13,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:05:13,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:05:13,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:05:13,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:05:13,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:05:13,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:05:13,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:05:13,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-26 00:05:13,134 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:05:13,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:05:13,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:05:13,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:05:13,139 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:05:13,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:05:13,139 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:05:13,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:05:13,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:05:13,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:05:13,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:05:13,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:05:13,142 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 00:05:13,142 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 00:05:13,143 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:05:13,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:05:13,143 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:05:13,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:05:13,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:05:13,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:05:13,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:05:13,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:05:13,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:05:13,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:05:13,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:05:13,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:05:13,146 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 00:05:13,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 00:05:13,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:05:13,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:05:13,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 00:05:13,148 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9f172a17df4ef17f10c6b822660934ae26b9e18 [2020-10-26 00:05:13,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:05:13,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:05:13,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:05:13,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:05:13,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:05:13,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s.i [2020-10-26 00:05:13,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484e09bbe/a23e9bc7a7544775b2f54729700c7e89/FLAG26a7f220d [2020-10-26 00:05:14,438 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:05:14,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2020-10-26 00:05:14,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484e09bbe/a23e9bc7a7544775b2f54729700c7e89/FLAG26a7f220d [2020-10-26 00:05:14,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484e09bbe/a23e9bc7a7544775b2f54729700c7e89 [2020-10-26 00:05:14,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:05:14,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:05:14,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:05:14,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:05:14,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:05:14,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:05:14" (1/1) ... [2020-10-26 00:05:14,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636c7c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:14, skipping insertion in model container [2020-10-26 00:05:14,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:05:14" (1/1) ... [2020-10-26 00:05:14,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:05:14,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:05:15,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:05:15,402 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 00:05:15,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:05:15,769 INFO L208 MainTranslator]: Completed translation [2020-10-26 00:05:15,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15 WrapperNode [2020-10-26 00:05:15,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:05:15,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 00:05:15,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 00:05:15,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 00:05:15,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 00:05:15,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 00:05:15,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 00:05:15,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 00:05:15,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... [2020-10-26 00:05:15,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 00:05:15,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 00:05:15,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 00:05:15,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 00:05:15,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:05:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-26 00:05:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-26 00:05:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 00:05:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 00:05:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-26 00:05:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-26 00:05:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-26 00:05:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-26 00:05:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-26 00:05:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-26 00:05:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-10-26 00:05:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 00:05:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 00:05:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 00:05:15,988 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-26 00:05:16,434 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 00:05:16,434 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-26 00:05:16,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:05:16 BoogieIcfgContainer [2020-10-26 00:05:16,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 00:05:16,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 00:05:16,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 00:05:16,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 00:05:16,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 12:05:14" (1/3) ... [2020-10-26 00:05:16,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24be4ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:05:16, skipping insertion in model container [2020-10-26 00:05:16,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:05:15" (2/3) ... [2020-10-26 00:05:16,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24be4ea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:05:16, skipping insertion in model container [2020-10-26 00:05:16,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:05:16" (3/3) ... [2020-10-26 00:05:16,453 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-10-26 00:05:16,468 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-26 00:05:16,469 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 00:05:16,474 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 00:05:16,475 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-26 00:05:16,510 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,510 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,510 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,510 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,511 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,511 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,511 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,512 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,512 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,512 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,513 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,513 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,521 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,523 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,524 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,524 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,524 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,524 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,525 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,531 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,531 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,531 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,532 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,532 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,532 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,532 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,532 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,533 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,533 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,533 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,533 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,533 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,534 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:05:16,544 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-26 00:05:16,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-26 00:05:16,583 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 00:05:16,583 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 00:05:16,584 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 00:05:16,584 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 00:05:16,584 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 00:05:16,584 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 00:05:16,584 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 00:05:16,584 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 00:05:16,598 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-26 00:05:16,601 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 80 transitions, 182 flow [2020-10-26 00:05:16,603 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 80 transitions, 182 flow [2020-10-26 00:05:16,605 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 80 transitions, 182 flow [2020-10-26 00:05:16,664 INFO L129 PetriNetUnfolder]: 6/76 cut-off events. [2020-10-26 00:05:16,664 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-26 00:05:16,668 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 76 events. 6/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-26 00:05:16,670 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-26 00:05:17,244 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-10-26 00:05:18,861 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-26 00:05:19,959 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-10-26 00:05:20,081 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 00:05:20,460 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-26 00:05:20,868 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-26 00:05:21,055 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-10-26 00:05:21,163 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-10-26 00:05:21,239 INFO L131 LiptonReduction]: Checked pairs total: 235 [2020-10-26 00:05:21,239 INFO L133 LiptonReduction]: Total number of compositions: 83 [2020-10-26 00:05:21,246 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-10-26 00:05:21,254 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-26 00:05:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-26 00:05:21,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-26 00:05:21,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:05:21,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:05:21,265 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:05:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:05:21,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1675235872, now seen corresponding path program 1 times [2020-10-26 00:05:21,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 00:05:21,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62685874] [2020-10-26 00:05:21,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-26 00:05:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:05:21,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-26 00:05:21,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 00:05:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:05:21,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-26 00:05:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:05:21,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62685874] [2020-10-26 00:05:21,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:05:21,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-26 00:05:21,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124309730] [2020-10-26 00:05:21,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 00:05:21,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-26 00:05:21,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 00:05:21,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:05:21,503 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-26 00:05:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:05:21,624 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-10-26 00:05:21,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 00:05:21,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-26 00:05:21,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:05:21,635 INFO L225 Difference]: With dead ends: 19 [2020-10-26 00:05:21,636 INFO L226 Difference]: Without dead ends: 18 [2020-10-26 00:05:21,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:05:21,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-26 00:05:21,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-26 00:05:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-26 00:05:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-10-26 00:05:21,675 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-10-26 00:05:21,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:05:21,675 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-26 00:05:21,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 00:05:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-10-26 00:05:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-26 00:05:21,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:05:21,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 00:05:21,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-26 00:05:21,891 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:05:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:05:21,892 INFO L82 PathProgramCache]: Analyzing trace with hash -387655911, now seen corresponding path program 1 times [2020-10-26 00:05:21,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 00:05:21,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405507834] [2020-10-26 00:05:21,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-26 00:05:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:05:22,009 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:05:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:05:22,069 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:05:22,125 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-26 00:05:22,125 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 00:05:22,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-26 00:05:22,341 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-26 00:05:22,341 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-26 00:05:22,348 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [286] [286] L-1-6-->thread2EXIT: Formula: (and (= |#memory_int_Out-400688145| (store |#memory_int_In-400688145| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-400688145| (store (select |#memory_int_In-400688145| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-400688145|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-400688145| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-400688145|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-400688145|)))) (= |thread2Thread1of1ForFork1_#res.base_Out-400688145| (_ bv0 32)) (= (_ bv0 8) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-400688145|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-400688145| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-400688145|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-400688145| ((_ extract 7 0) (select (select |#memory_int_In-400688145| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-400688145|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-400688145| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-400688145|)))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-400688145| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-400688145|) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out-400688145|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-400688145|, #memory_int=|#memory_int_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-400688145|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-400688145|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-400688145|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out-400688145|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out-400688145|, #memory_int=|#memory_int_Out-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-400688145|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-400688145|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-10-26 00:05:22,350 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [278] [278] L1118-->L1099-1: Formula: (let ((.cse0 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1939240530| (_ bv1 32))) (.cse1 (= ULTIMATE.start___VERIFIER_assert_~expression_Out-1939240530 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1939240530|)) (.cse2 (= (_ bv0 32) ~v~0.base_In-1939240530)) (.cse3 (= (_ bv0 32) ~v~0.offset_In-1939240530))) (or (and .cse0 (= |ULTIMATE.start_main_#t~mem12_In-1939240530| |ULTIMATE.start_main_#t~mem12_Out-1939240530|) .cse1 |ULTIMATE.start_main_#t~short13_Out-1939240530| .cse2 .cse3) (let ((.cse4 (not |ULTIMATE.start_main_#t~short13_Out-1939240530|))) (and (= ((_ extract 7 0) (select (select |#memory_int_In-1939240530| ~v~0.base_In-1939240530) ~v~0.offset_In-1939240530)) |ULTIMATE.start_main_#t~mem12_Out-1939240530|) (or (and (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1939240530| (_ bv0 32)) .cse4) (and .cse0 |ULTIMATE.start_main_#t~short13_Out-1939240530|)) (let ((.cse5 (= (_ bv66 32) ((_ sign_extend 24) |ULTIMATE.start_main_#t~mem12_Out-1939240530|)))) (or (and (not .cse5) .cse4) (and |ULTIMATE.start_main_#t~short13_Out-1939240530| .cse5))) .cse1 (or (not .cse2) (not .cse3)))))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In-1939240530|, ~v~0.offset=~v~0.offset_In-1939240530, #memory_int=|#memory_int_In-1939240530|, ~v~0.base=~v~0.base_In-1939240530} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out-1939240530|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1939240530, ~v~0.offset=~v~0.offset_In-1939240530, #memory_int=|#memory_int_In-1939240530|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out-1939240530|, ~v~0.base=~v~0.base_In-1939240530, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1939240530|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-10-26 00:05:22,375 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,380 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,381 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,381 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,382 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,382 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,382 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:22,382 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,383 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,384 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:22,384 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,385 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,386 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:22,386 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,387 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,388 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:22,388 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,389 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:22,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-26 00:05:22,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-26 00:05:22,393 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-26 00:05:22,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 12:05:22 BasicIcfg [2020-10-26 00:05:22,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 00:05:22,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 00:05:22,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 00:05:22,431 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 00:05:22,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:05:16" (3/4) ... [2020-10-26 00:05:22,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 00:05:22,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 00:05:22,437 INFO L168 Benchmark]: Toolchain (without parser) took 7730.18 ms. Allocated memory was 52.4 MB in the beginning and 102.8 MB in the end (delta: 50.3 MB). Free memory was 27.0 MB in the beginning and 27.5 MB in the end (delta: -417.6 kB). Peak memory consumption was 52.5 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:22,438 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:05:22,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1040.59 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 37.0 MB in the beginning and 42.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:22,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.11 ms. Allocated memory is still 69.2 MB. Free memory was 42.8 MB in the beginning and 40.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:22,441 INFO L168 Benchmark]: Boogie Preprocessor took 52.43 ms. Allocated memory is still 69.2 MB. Free memory was 40.3 MB in the beginning and 38.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:22,442 INFO L168 Benchmark]: RCFGBuilder took 530.38 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 38.2 MB in the beginning and 53.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:22,443 INFO L168 Benchmark]: TraceAbstraction took 5990.50 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.5 MB in the beginning and 27.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2020-10-26 00:05:22,443 INFO L168 Benchmark]: Witness Printer took 5.91 ms. Allocated memory is still 102.8 MB. Free memory is still 27.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:05:22,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory was 34.0 MB in the beginning and 34.0 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1040.59 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 37.0 MB in the beginning and 42.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.11 ms. Allocated memory is still 69.2 MB. Free memory was 42.8 MB in the beginning and 40.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.43 ms. Allocated memory is still 69.2 MB. Free memory was 40.3 MB in the beginning and 38.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 530.38 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 38.2 MB in the beginning and 53.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5990.50 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.5 MB in the beginning and 27.5 MB in the end (delta: 25.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.91 ms. Allocated memory is still 102.8 MB. Free memory is still 27.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 81 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.6s, 79 PlacesBefore, 24 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 83 TotalNumberOfCompositions, 235 MoverChecksTotal - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1108. Possible FailurePath: [L1100] 0 char *v; [L1113] 0 pthread_t t1, t2; [L1114] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1115] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1103] 1 v = malloc(sizeof(char) * 8) [L1104] 1 return 0; [L1115] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1116] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1117] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1108] COND TRUE 2 \read(*v) [L1108] CALL 2 strcpy(v, "Bigshot") [L1117] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1099] COND TRUE 0 !expression [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 14 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 1 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...