./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:06:33,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:06:33,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:06:33,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:06:33,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:06:33,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:06:33,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:06:33,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:06:33,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:06:33,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:06:33,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:06:33,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:06:33,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:06:33,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:06:33,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:06:33,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:06:33,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:06:33,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:06:33,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:06:33,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:06:33,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:06:33,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:06:33,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:06:33,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:06:33,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:06:33,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:06:33,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:06:33,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:06:33,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:06:33,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:06:33,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:06:33,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:06:33,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:06:33,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:06:33,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:06:33,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:06:33,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:06:33,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:06:33,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:06:33,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:06:33,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:06:33,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:06:33,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:06:33,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:06:33,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:06:33,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:06:33,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:06:33,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:06:33,715 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:06:33,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:06:33,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:06:33,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:06:33,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:06:33,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:06:33,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:06:33,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:06:33,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:06:33,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:06:33,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:06:33,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:06:33,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:06:33,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:06:33,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:06:33,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:06:33,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:06:33,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:06:33,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:06:33,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:06:33,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:06:33,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:06:33,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:06:33,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:06:33,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:06:33,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:06:33,724 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:06:33,724 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:06:33,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 [2021-11-02 22:06:33,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:06:34,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:06:34,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:06:34,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:06:34,039 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:06:34,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2021-11-02 22:06:34,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/data/a1bdb136c/a39d9099785d466c8ecb73e70a8872fb/FLAG1a22d0b41 [2021-11-02 22:06:34,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:06:34,639 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c [2021-11-02 22:06:34,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/data/a1bdb136c/a39d9099785d466c8ecb73e70a8872fb/FLAG1a22d0b41 [2021-11-02 22:06:35,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/data/a1bdb136c/a39d9099785d466c8ecb73e70a8872fb [2021-11-02 22:06:35,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:06:35,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:06:35,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:35,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:06:35,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:06:35,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da203db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35, skipping insertion in model container [2021-11-02 22:06:35,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:06:35,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:06:35,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2021-11-02 22:06:35,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:06:35,305 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:06:35,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/sv-benchmarks/c/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2021-11-02 22:06:35,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:06:35,340 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:06:35,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35 WrapperNode [2021-11-02 22:06:35,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:35,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:06:35,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:06:35,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:06:35,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:06:35,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:06:35,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:06:35,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:06:35,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:06:35,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:06:35,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:06:35,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:06:35,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:06:35,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:06:35,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:06:35,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:06:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-02 22:06:35,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-02 22:06:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-02 22:06:35,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-02 22:06:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-02 22:06:35,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-02 22:06:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:06:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:06:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:06:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-02 22:06:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-02 22:06:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:06:35,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:06:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:06:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:06:35,516 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:06:35,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:06:35,863 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-02 22:06:35,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:35 BoogieIcfgContainer [2021-11-02 22:06:35,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:06:35,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:06:35,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:06:35,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:06:35,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:06:35" (1/3) ... [2021-11-02 22:06:35,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ce208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:06:35, skipping insertion in model container [2021-11-02 22:06:35,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (2/3) ... [2021-11-02 22:06:35,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ce208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:06:35, skipping insertion in model container [2021-11-02 22:06:35,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:35" (3/3) ... [2021-11-02 22:06:35,875 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2021-11-02 22:06:35,880 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:06:35,881 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:06:35,881 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:06:35,881 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:06:35,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,916 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,919 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,919 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,919 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,919 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,929 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,930 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:06:35,943 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-02 22:06:36,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:06:36,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:06:36,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:06:36,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-02 22:06:36,065 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-02 22:06:36,075 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:06:36,075 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-02 22:06:36,367 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:06:36,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:36,380 INFO L85 PathProgramCache]: Analyzing trace with hash -942737150, now seen corresponding path program 1 times [2021-11-02 22:06:36,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:36,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315177575] [2021-11-02 22:06:36,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:36,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:06:36,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:36,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315177575] [2021-11-02 22:06:36,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315177575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:36,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:36,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:06:36,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259369867] [2021-11-02 22:06:36,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:06:36,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:36,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:06:36,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:06:36,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:36,635 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:06:36,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:36,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:36,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:06:36,656 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:06:36,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:36,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1482757309, now seen corresponding path program 1 times [2021-11-02 22:06:36,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:36,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448021191] [2021-11-02 22:06:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:36,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:06:37,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:37,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448021191] [2021-11-02 22:06:37,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448021191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:37,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:37,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-02 22:06:37,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104165813] [2021-11-02 22:06:37,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-02 22:06:37,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:37,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-02 22:06:37,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-02 22:06:37,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:37,526 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:06:37,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:37,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:37,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:06:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 22:06:37,991 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:06:37,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:06:37,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-02 22:06:37,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-02 22:06:37,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:06:38,007 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-02 22:06:38,011 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:06:38,016 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:06:38,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:06:38 BasicIcfg [2021-11-02 22:06:38,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:06:38,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:06:38,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:06:38,026 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:06:38,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:35" (3/4) ... [2021-11-02 22:06:38,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:06:38,036 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-02 22:06:38,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-02 22:06:38,037 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-02 22:06:38,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-02 22:06:38,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 22:06:38,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:06:38,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:06:38,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/witness.graphml [2021-11-02 22:06:38,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:06:38,112 INFO L168 Benchmark]: Toolchain (without parser) took 3079.35 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 67.5 MB in the beginning and 95.5 MB in the end (delta: -28.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:06:38,112 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 77.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:06:38,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.34 ms. Allocated memory is still 102.8 MB. Free memory was 67.3 MB in the beginning and 78.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:38,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.87 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 76.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:38,114 INFO L168 Benchmark]: Boogie Preprocessor took 55.39 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 75.0 MB in the end (delta: 990.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:38,114 INFO L168 Benchmark]: RCFGBuilder took 426.31 ms. Allocated memory is still 102.8 MB. Free memory was 75.0 MB in the beginning and 62.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:38,115 INFO L168 Benchmark]: TraceAbstraction took 2157.60 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 61.9 MB in the beginning and 98.6 MB in the end (delta: -36.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:38,115 INFO L168 Benchmark]: Witness Printer took 82.44 ms. Allocated memory is still 123.7 MB. Free memory was 98.6 MB in the beginning and 95.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:06:38,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 77.0 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.34 ms. Allocated memory is still 102.8 MB. Free memory was 67.3 MB in the beginning and 78.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.87 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 76.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.39 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 75.0 MB in the end (delta: 990.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 426.31 ms. Allocated memory is still 102.8 MB. Free memory was 75.0 MB in the beginning and 62.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2157.60 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 61.9 MB in the beginning and 98.6 MB in the end (delta: -36.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * Witness Printer took 82.44 ms. Allocated memory is still 123.7 MB. Free memory was 98.6 MB in the beginning and 95.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 606, positive: 597, positive conditional: 198, positive unconditional: 399, negative: 9, negative conditional: 6, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 198, positive unconditional: 399, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 198, positive unconditional: 399, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 66, positive unconditional: 531, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 600, positive: 597, positive conditional: 62, positive unconditional: 535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 62, positive unconditional: 535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 411, positive: 408, positive conditional: 0, positive unconditional: 408, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 411, positive: 405, positive conditional: 0, positive unconditional: 405, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 600, positive: 189, positive conditional: 62, positive unconditional: 127, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 411, unknown conditional: 0, unknown unconditional: 411] , Statistics on independence cache: Total cache size (in pairs): 411, Positive cache size: 408, Positive conditional cache size: 0, Positive unconditional cache size: 408, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 4, Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 193, Number of persistent set computation: 71, Number of trivial persistent sets: 44, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 402, positive: 399, positive conditional: 0, positive unconditional: 399, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 606, positive: 597, positive conditional: 198, positive unconditional: 399, negative: 9, negative conditional: 6, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 198, positive unconditional: 399, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 198, positive unconditional: 399, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 66, positive unconditional: 531, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 600, positive: 597, positive conditional: 62, positive unconditional: 535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 600, positive: 597, positive conditional: 62, positive unconditional: 535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 411, positive: 408, positive conditional: 0, positive unconditional: 408, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 411, positive: 405, positive conditional: 0, positive unconditional: 405, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 600, positive: 189, positive conditional: 62, positive unconditional: 127, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 411, unknown conditional: 0, unknown unconditional: 411] , Statistics on independence cache: Total cache size (in pairs): 411, Positive cache size: 408, Positive conditional cache size: 0, Positive unconditional cache size: 408, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 4, Maximal queried relation: 0, Independence queries for same thread: 6 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 103 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.7s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 1381 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-02 22:06:38,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:06:38,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e1573f3-f67f-436a-9fec-98f269ce2dbd/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE