./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2b75cbff790060dd08cb20d1dd55c70c6b5fffe ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:28:46,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:28:46,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:28:46,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:28:46,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:28:46,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:28:46,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:28:46,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:28:46,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:28:46,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:28:46,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:28:46,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:28:46,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:28:46,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:28:46,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:28:46,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:28:46,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:28:46,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:28:46,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:28:46,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:28:46,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:28:46,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:28:46,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:28:46,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:28:46,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:28:46,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:28:46,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:28:46,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:28:46,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:28:46,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:28:46,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:28:46,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:28:46,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:28:46,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:28:46,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:28:46,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:28:46,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:28:46,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:28:46,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:28:46,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:28:46,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:28:46,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:28:46,544 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:28:46,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:28:46,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:28:46,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:28:46,545 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:28:46,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:28:46,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:28:46,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:28:46,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:28:46,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:28:46,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:28:46,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:28:46,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:28:46,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:28:46,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:28:46,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:28:46,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:28:46,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:28:46,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:28:46,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:28:46,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:28:46,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:28:46,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2b75cbff790060dd08cb20d1dd55c70c6b5fffe [2019-12-07 10:28:46,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:28:46,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:28:46,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:28:46,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:28:46,666 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:28:46,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-12-07 10:28:46,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/data/d3446d292/748557fa75f64dd78d94b6ae0fe6abb0/FLAG8f5c32946 [2019-12-07 10:28:47,206 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:28:47,206 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2019-12-07 10:28:47,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/data/d3446d292/748557fa75f64dd78d94b6ae0fe6abb0/FLAG8f5c32946 [2019-12-07 10:28:47,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/data/d3446d292/748557fa75f64dd78d94b6ae0fe6abb0 [2019-12-07 10:28:47,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:28:47,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:28:47,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:28:47,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:28:47,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:28:47,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea8846b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47, skipping insertion in model container [2019-12-07 10:28:47,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:28:47,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:28:47,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:28:47,585 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:28:47,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:28:47,717 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:28:47,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47 WrapperNode [2019-12-07 10:28:47,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:28:47,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:28:47,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:28:47,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:28:47,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:28:47,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:28:47,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:28:47,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:28:47,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... [2019-12-07 10:28:47,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:28:47,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:28:47,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:28:47,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:28:47,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:28:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:28:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:28:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:28:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2019-12-07 10:28:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2019-12-07 10:28:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 10:28:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 10:28:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 10:28:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 10:28:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2019-12-07 10:28:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2019-12-07 10:28:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:28:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 10:28:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:28:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:28:47,824 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 10:28:48,046 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:28:48,047 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 10:28:48,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:28:48 BoogieIcfgContainer [2019-12-07 10:28:48,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:28:48,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:28:48,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:28:48,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:28:48,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:28:47" (1/3) ... [2019-12-07 10:28:48,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a10daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:28:48, skipping insertion in model container [2019-12-07 10:28:48,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:28:47" (2/3) ... [2019-12-07 10:28:48,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a10daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:28:48, skipping insertion in model container [2019-12-07 10:28:48,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:28:48" (3/3) ... [2019-12-07 10:28:48,053 INFO L109 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2019-12-07 10:28:48,060 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 10:28:48,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:28:48,064 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:28:48,065 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 10:28:48,095 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,095 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,095 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,096 WARN L315 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,096 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,096 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,096 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,096 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,097 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,097 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,097 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,097 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,097 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,098 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,098 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,098 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,098 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,099 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,099 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,099 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,099 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,100 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,100 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,100 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,100 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,100 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,101 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,101 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,101 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,101 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,101 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,102 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,102 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,102 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,102 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,102 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,103 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,103 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,103 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,103 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,103 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,104 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,104 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,104 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,104 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,104 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,104 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,105 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,105 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,105 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,105 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,105 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,106 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,106 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,106 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,106 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,106 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,106 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,107 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,107 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,107 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,107 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,107 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,107 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,108 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,108 WARN L315 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork3_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,108 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,108 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,108 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,109 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,109 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,109 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,109 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,109 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,109 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,110 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,110 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,110 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,110 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,110 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,111 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,111 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,111 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,111 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,111 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,111 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,112 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,112 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,112 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,112 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,112 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,112 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,113 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,113 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,113 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,113 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,113 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,114 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,114 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,114 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:28:48,236 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-12-07 10:28:48,249 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:28:48,249 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:28:48,249 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:28:48,249 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:28:48,249 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:28:48,249 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:28:48,250 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:28:48,250 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:28:48,261 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 250 transitions [2019-12-07 10:28:48,262 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 178 places, 250 transitions [2019-12-07 10:28:48,278 INFO L134 PetriNetUnfolder]: 0/26 cut-off events. [2019-12-07 10:28:48,278 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:28:48,282 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs. 46/72 useless extension candidates. Maximal degree in co-relation 30. Up to 1 conditions per place. [2019-12-07 10:28:48,283 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 178 places, 250 transitions [2019-12-07 10:28:48,287 INFO L134 PetriNetUnfolder]: 0/26 cut-off events. [2019-12-07 10:28:48,288 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:28:48,288 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs. 46/72 useless extension candidates. Maximal degree in co-relation 30. Up to 1 conditions per place. [2019-12-07 10:28:48,289 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 80 [2019-12-07 10:28:48,289 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 10:28:49,832 INFO L206 etLargeBlockEncoding]: Checked pairs total: 43 [2019-12-07 10:28:49,833 INFO L214 etLargeBlockEncoding]: Total number of compositions: 83 [2019-12-07 10:28:49,836 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 173 transitions [2019-12-07 10:28:49,844 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 14 states. [2019-12-07 10:28:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 10:28:49,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:28:49,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:28:49 BasicIcfg [2019-12-07 10:28:49,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:28:49,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:28:49,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:28:49,855 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:28:49,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:28:48" (3/4) ... [2019-12-07 10:28:49,859 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:28:49,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2019-12-07 10:28:49,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2019-12-07 10:28:49,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2019-12-07 10:28:49,864 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2019-12-07 10:28:49,868 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 10:28:49,868 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 10:28:49,869 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:28:49,898 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bf4f10fc-6c3f-4bde-bcdb-9f4b889a209e/bin/uautomizer/witness.graphml [2019-12-07 10:28:49,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:28:49,899 INFO L168 Benchmark]: Toolchain (without parser) took 2667.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:28:49,900 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:28:49,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:28:49,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:28:49,901 INFO L168 Benchmark]: Boogie Preprocessor took 21.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:28:49,901 INFO L168 Benchmark]: RCFGBuilder took 267.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:28:49,902 INFO L168 Benchmark]: TraceAbstraction took 1806.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.4 MB). Peak memory consumption was 230.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:28:49,902 INFO L168 Benchmark]: Witness Printer took 42.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:28:49,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 267.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1806.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.4 MB). Peak memory consumption was 230.5 MB. Max. memory is 11.5 GB. * Witness Printer took 42.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.5s, 178 ProgramPointsBefore, 100 ProgramPointsAfterwards, 250 TransitionsBefore, 173 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 7 FixpointIterations, 63 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 35 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 43 CheckedPairsTotal, 83 TotalNumberOfCompositions - PositiveResult [Line: 1088]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 98 locations, 1 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...