./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.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_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/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_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/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_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/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 a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:04:39,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:04:39,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:04:39,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:04:39,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:04:39,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:04:39,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:04:39,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:04:39,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:04:39,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:04:39,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:04:39,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:04:39,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:04:39,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:04:39,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:04:39,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:04:39,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:04:39,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:04:39,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:04:39,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:04:39,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:04:39,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:04:39,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:04:39,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:04:39,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:04:39,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:04:39,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:04:39,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:04:39,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:04:39,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:04:40,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:04:40,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:04:40,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:04:40,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:04:40,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:04:40,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:04:40,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:04:40,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:04:40,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:04:40,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:04:40,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:04:40,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:04:40,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:04:40,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:04:40,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:04:40,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:04:40,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:04:40,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:04:40,060 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:04:40,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:04:40,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:04:40,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:04:40,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:04:40,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:04:40,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:04:40,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:04:40,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:04:40,064 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:04:40,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:04:40,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:04:40,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:04:40,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:04:40,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:04:40,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:04:40,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:04:40,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:40,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:04:40,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:04:40,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:04:40,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:04:40,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:04:40,068 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:04:40,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:04:40,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:04:40,069 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:04:40,069 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:04:40,070 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_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f [2021-11-02 22:04:40,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:04:40,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:04:40,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:04:40,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:04:40,406 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:04:40,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2021-11-02 22:04:40,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/data/ce562be6d/5a9ed52b876247308872e62276390bc6/FLAG1a980b5d5 [2021-11-02 22:04:41,016 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:04:41,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2021-11-02 22:04:41,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/data/ce562be6d/5a9ed52b876247308872e62276390bc6/FLAG1a980b5d5 [2021-11-02 22:04:41,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/data/ce562be6d/5a9ed52b876247308872e62276390bc6 [2021-11-02 22:04:41,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:04:41,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:04:41,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:41,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:04:41,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:04:41,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bcef933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41, skipping insertion in model container [2021-11-02 22:04:41,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:04:41,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:04:41,740 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_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2021-11-02 22:04:41,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:41,757 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:04:41,787 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_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2021-11-02 22:04:41,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:41,806 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:04:41,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41 WrapperNode [2021-11-02 22:04:41,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:41,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:41,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:04:41,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:04:41,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:41,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:04:41,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:04:41,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:04:41,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:04:41,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:04:41,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:04:41,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:04:41,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (1/1) ... [2021-11-02 22:04:41,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:41,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:42,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:42,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:04:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:04:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:04:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:04:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-02 22:04:42,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-02 22:04:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-02 22:04:42,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-02 22:04:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-02 22:04:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-02 22:04:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-02 22:04:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-02 22:04:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:04:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-02 22:04:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-02 22:04:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-02 22:04:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-02 22:04:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:04:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:04:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:04:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:04:42,070 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 22:04:42,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:04:42,962 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-11-02 22:04:42,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:42 BoogieIcfgContainer [2021-11-02 22:04:42,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:04:42,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:04:42,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:04:42,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:04:42,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:04:41" (1/3) ... [2021-11-02 22:04:42,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7414aaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:42, skipping insertion in model container [2021-11-02 22:04:42,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:41" (2/3) ... [2021-11-02 22:04:42,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7414aaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:42, skipping insertion in model container [2021-11-02 22:04:42,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:42" (3/3) ... [2021-11-02 22:04:42,975 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2021-11-02 22:04:42,981 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:04:42,982 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:04:42,982 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:04:42,982 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:04:43,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,042 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,043 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,043 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,043 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,044 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,044 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,046 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,048 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,049 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,050 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,052 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,053 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,053 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,054 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,056 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,058 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,059 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,060 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,062 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,062 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,062 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,063 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,063 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,063 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,064 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,064 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,065 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,065 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,065 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,066 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,067 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,067 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,067 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,068 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,069 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,072 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,073 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,075 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,075 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,079 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,080 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,087 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,088 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,088 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,088 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,089 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,089 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,089 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,089 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,090 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,090 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,090 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,091 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,091 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,091 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,091 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,092 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,092 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,093 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,093 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,093 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,093 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,093 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,094 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,094 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,094 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,094 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,094 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,095 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,095 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,096 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,096 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,096 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,096 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,097 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,097 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,097 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,097 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,098 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,098 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,098 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,099 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,099 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,106 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,106 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,106 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,108 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,112 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,112 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,115 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,115 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,115 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,116 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,116 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,116 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,116 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,116 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,117 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,118 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,119 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,119 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,120 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,122 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,122 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,123 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,123 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,123 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,123 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,123 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,124 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,124 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,139 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-11-02 22:04:43,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:04:43,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:43,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:43,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-02 22:04:43,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-02 22:04:43,245 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 22:04:43,246 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-02 22:04:43,662 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,692 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:43,736 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-11-02 22:04:43,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:43,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1835964777, now seen corresponding path program 1 times [2021-11-02 22:04:43,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:43,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24429607] [2021-11-02 22:04:43,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:43,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:43,970 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 22:04:43,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:43,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24429607] [2021-11-02 22:04:43,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24429607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:43,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:43,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:04:43,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388191559] [2021-11-02 22:04:43,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:04:43,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:43,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:04:43,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:04:43,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:43,998 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:44,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 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 22:04:44,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:44,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:04:44,028 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-11-02 22:04:44,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash 223869080, now seen corresponding path program 1 times [2021-11-02 22:04:44,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:44,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417634659] [2021-11-02 22:04:44,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:44,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:44,615 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 22:04:44,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:44,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417634659] [2021-11-02 22:04:44,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417634659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:44,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:44,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:04:44,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353790011] [2021-11-02 22:04:44,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:04:44,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:44,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:04:44,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:04:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:44,626 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:44,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 6 states have internal predecessors, (122), 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 22:04:44,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:44,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:44,729 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:44,736 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:44,744 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:44,757 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:44,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:44,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:44,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:04:44,825 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-11-02 22:04:44,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:44,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1550154952, now seen corresponding path program 1 times [2021-11-02 22:04:44,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:44,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589794199] [2021-11-02 22:04:44,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:44,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:45,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:45,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:45,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589794199] [2021-11-02 22:04:45,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589794199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:45,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:45,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:04:45,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634876710] [2021-11-02 22:04:45,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:04:45,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:45,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:04:45,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:04:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:45,097 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:45,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 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 22:04:45,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:45,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:45,244 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:45,346 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:45,838 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:45,846 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:45,852 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:45,870 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:45,922 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:52,611 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:52,622 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:52,732 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:53,903 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:53,910 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:53,932 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:54,061 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:54,068 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:54,076 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:54,099 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:54,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:54,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:04:54,145 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-11-02 22:04:54,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:54,146 INFO L85 PathProgramCache]: Analyzing trace with hash -375433340, now seen corresponding path program 1 times [2021-11-02 22:04:54,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:54,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101573899] [2021-11-02 22:04:54,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:54,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:04:54,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:54,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101573899] [2021-11-02 22:04:54,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101573899] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:54,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621443355] [2021-11-02 22:04:54,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:54,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:04:54,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:54,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:04:54,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 22:04:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:54,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:04:54,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:04:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:04:55,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621443355] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:55,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:04:55,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-11-02 22:04:55,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406669775] [2021-11-02 22:04:55,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 22:04:55,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:55,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 22:04:55,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:04:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:55,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:55,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 10 states have internal predecessors, (142), 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 22:04:55,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:55,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:55,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:55,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:55,305 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:55,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:55,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:55,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:04:55,566 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-11-02 22:04:55,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:55,567 INFO L85 PathProgramCache]: Analyzing trace with hash -513027074, now seen corresponding path program 1 times [2021-11-02 22:04:55,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:55,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423357001] [2021-11-02 22:04:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:55,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:04:55,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:55,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423357001] [2021-11-02 22:04:55,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423357001] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:55,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751433658] [2021-11-02 22:04:55,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:55,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:04:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:55,725 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:04:55,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 22:04:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:55,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:04:55,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:04:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:04:56,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751433658] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:56,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:04:56,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-11-02 22:04:56,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797697538] [2021-11-02 22:04:56,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 22:04:56,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:56,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 22:04:56,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:04:56,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:56,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:56,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.7) internal successors, (147), 10 states have internal predecessors, (147), 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 22:04:56,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:56,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:56,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:56,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:56,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:56,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:56,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:04:56,748 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-11-02 22:04:56,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:56,749 INFO L85 PathProgramCache]: Analyzing trace with hash 2056663366, now seen corresponding path program 1 times [2021-11-02 22:04:56,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:56,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931737461] [2021-11-02 22:04:56,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:56,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 22:04:56,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:56,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931737461] [2021-11-02 22:04:56,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931737461] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:56,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947658750] [2021-11-02 22:04:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:56,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:04:56,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:56,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:04:56,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-02 22:04:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:57,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:04:57,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:04:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 22:04:57,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947658750] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:57,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:04:57,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-11-02 22:04:57,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95837852] [2021-11-02 22:04:57,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 22:04:57,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:57,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 22:04:57,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:04:57,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:57,609 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:57,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.1) internal successors, (211), 10 states have internal predecessors, (211), 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 22:04:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:57,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:57,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:57,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:57,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:57,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:57,767 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:57,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:57,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:57,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:57,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:57,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:57,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:58,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-02 22:04:58,048 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-11-02 22:04:58,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash 917770112, now seen corresponding path program 1 times [2021-11-02 22:04:58,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:58,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532961938] [2021-11-02 22:04:58,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:58,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:04:58,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:58,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532961938] [2021-11-02 22:04:58,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532961938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:58,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:58,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 22:04:58,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845342922] [2021-11-02 22:04:58,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 22:04:58,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:58,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:04:58,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:04:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:58,257 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:58,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 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 22:04:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:58,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:58,841 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,179 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,199 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,205 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,318 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,578 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,586 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,596 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:59,641 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:00,551 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:08,114 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:10,621 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:10,880 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:05:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:05:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:05:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:05:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:05:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:05:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:05:10,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:05:10,930 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:05:10,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:05:10,931 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-02 22:05:10,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-02 22:05:10,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-11-02 22:05:10,932 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-11-02 22:05:10,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:05:10,945 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:10,948 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:05:10,948 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:05:10,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:05:10 BasicIcfg [2021-11-02 22:05:10,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:05:10,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:05:10,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:05:10,952 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:05:10,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:42" (3/4) ... [2021-11-02 22:05:10,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:05:10,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-02 22:05:10,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-02 22:05:10,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-02 22:05:10,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2021-11-02 22:05:10,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2021-11-02 22:05:10,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-02 22:05:10,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 22:05:10,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:05:10,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:05:11,047 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/witness.graphml [2021-11-02 22:05:11,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:05:11,049 INFO L168 Benchmark]: Toolchain (without parser) took 29712.93 ms. Allocated memory was 127.9 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 90.3 MB in the beginning and 7.3 GB in the end (delta: -7.2 GB). Peak memory consumption was 546.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:11,049 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 127.9 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:05:11,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.92 ms. Allocated memory is still 127.9 MB. Free memory was 90.2 MB in the beginning and 101.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:11,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.54 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 99.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:11,051 INFO L168 Benchmark]: Boogie Preprocessor took 70.94 ms. Allocated memory is still 127.9 MB. Free memory was 99.3 MB in the beginning and 97.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:11,051 INFO L168 Benchmark]: RCFGBuilder took 1005.31 ms. Allocated memory is still 127.9 MB. Free memory was 97.8 MB in the beginning and 71.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:11,052 INFO L168 Benchmark]: TraceAbstraction took 27984.63 ms. Allocated memory was 127.9 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 71.1 MB in the beginning and 7.3 GB in the end (delta: -7.2 GB). Peak memory consumption was 524.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:11,052 INFO L168 Benchmark]: Witness Printer took 95.21 ms. Allocated memory is still 7.9 GB. Free memory was 7.3 GB in the beginning and 7.3 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:05:11,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 127.9 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 467.92 ms. Allocated memory is still 127.9 MB. Free memory was 90.2 MB in the beginning and 101.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.54 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 99.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.94 ms. Allocated memory is still 127.9 MB. Free memory was 99.3 MB in the beginning and 97.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1005.31 ms. Allocated memory is still 127.9 MB. Free memory was 97.8 MB in the beginning and 71.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27984.63 ms. Allocated memory was 127.9 MB in the beginning and 7.9 GB in the end (delta: 7.7 GB). Free memory was 71.1 MB in the beginning and 7.3 GB in the end (delta: -7.2 GB). Peak memory consumption was 524.3 MB. Max. memory is 16.1 GB. * Witness Printer took 95.21 ms. Allocated memory is still 7.9 GB. Free memory was 7.3 GB in the beginning and 7.3 GB in the end (delta: 4.2 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: 3007815, positive: 2812324, positive conditional: 2807603, positive unconditional: 4721, negative: 195491, negative conditional: 195411, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2932397, positive: 2812324, positive conditional: 2807603, positive unconditional: 4721, negative: 120073, negative conditional: 119993, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2932397, positive: 2812324, positive conditional: 2807603, positive unconditional: 4721, negative: 120073, negative conditional: 119993, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3543618, positive: 2812324, positive conditional: 2806949, positive unconditional: 5375, negative: 731294, negative conditional: 611221, negative unconditional: 120073, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3543618, positive: 2812324, positive conditional: 867413, positive unconditional: 1944911, negative: 731294, negative conditional: 27501, negative unconditional: 703793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3543618, positive: 2812324, positive conditional: 867413, positive unconditional: 1944911, negative: 731294, negative conditional: 27501, negative unconditional: 703793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4383, positive: 4267, positive conditional: 42, positive unconditional: 4225, negative: 116, negative conditional: 36, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4383, positive: 4266, positive conditional: 0, positive unconditional: 4266, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 116, negative conditional: 36, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 719, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 712, negative conditional: 225, negative unconditional: 487, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3543618, positive: 2808057, positive conditional: 867371, positive unconditional: 1940686, negative: 731178, negative conditional: 27465, negative unconditional: 703713, unknown: 4383, unknown conditional: 78, unknown unconditional: 4305] , Statistics on independence cache: Total cache size (in pairs): 4383, Positive cache size: 4267, Positive conditional cache size: 42, Positive unconditional cache size: 4225, Negative cache size: 116, Negative conditional cache size: 36, Negative unconditional cache size: 80, Eliminated conditions: 2523256, Maximal queried relation: 6, Independence queries for same thread: 75418 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 2368, Number of persistent set computation: 16984, Number of trivial persistent sets: 6557, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4801, positive: 4721, positive conditional: 0, positive unconditional: 4721, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3007815, positive: 2812324, positive conditional: 2807603, positive unconditional: 4721, negative: 195491, negative conditional: 195411, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2932397, positive: 2812324, positive conditional: 2807603, positive unconditional: 4721, negative: 120073, negative conditional: 119993, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2932397, positive: 2812324, positive conditional: 2807603, positive unconditional: 4721, negative: 120073, negative conditional: 119993, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3543618, positive: 2812324, positive conditional: 2806949, positive unconditional: 5375, negative: 731294, negative conditional: 611221, negative unconditional: 120073, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3543618, positive: 2812324, positive conditional: 867413, positive unconditional: 1944911, negative: 731294, negative conditional: 27501, negative unconditional: 703793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3543618, positive: 2812324, positive conditional: 867413, positive unconditional: 1944911, negative: 731294, negative conditional: 27501, negative unconditional: 703793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4383, positive: 4267, positive conditional: 42, positive unconditional: 4225, negative: 116, negative conditional: 36, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4383, positive: 4266, positive conditional: 0, positive unconditional: 4266, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 116, negative conditional: 36, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 719, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 712, negative conditional: 225, negative unconditional: 487, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3543618, positive: 2808057, positive conditional: 867371, positive unconditional: 1940686, negative: 731178, negative conditional: 27465, negative unconditional: 703713, unknown: 4383, unknown conditional: 78, unknown unconditional: 4305] , Statistics on independence cache: Total cache size (in pairs): 4383, Positive cache size: 4267, Positive conditional cache size: 42, Positive unconditional cache size: 4225, Negative cache size: 116, Negative conditional cache size: 36, Negative unconditional cache size: 80, Eliminated conditions: 2523256, Maximal queried relation: 6, Independence queries for same thread: 75418 - 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: 134]: 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 11 procedures, 217 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 22.9s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1358 NumberOfCodeBlocks, 1358 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1348 ConstructedInterpolants, 0 QuantifiedInterpolants, 2718 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1061 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 18/24 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 22:05:11,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:05:11,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1f1bcf0-ad5d-4f4a-97b2-b8f8d845f175/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