./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3 --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 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 04:56:49,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 04:56:49,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 04:56:49,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 04:56:49,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 04:56:49,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 04:56:49,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 04:56:49,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 04:56:49,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 04:56:49,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 04:56:49,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 04:56:49,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 04:56:49,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 04:56:49,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 04:56:49,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 04:56:50,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 04:56:50,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 04:56:50,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 04:56:50,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 04:56:50,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 04:56:50,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 04:56:50,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 04:56:50,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 04:56:50,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 04:56:50,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 04:56:50,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 04:56:50,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 04:56:50,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 04:56:50,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 04:56:50,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 04:56:50,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 04:56:50,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 04:56:50,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 04:56:50,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 04:56:50,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 04:56:50,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 04:56:50,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 04:56:50,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 04:56:50,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 04:56:50,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 04:56:50,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 04:56:50,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-07 04:56:50,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 04:56:50,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 04:56:50,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 04:56:50,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 04:56:50,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 04:56:50,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 04:56:50,101 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 04:56:50,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 04:56:50,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 04:56:50,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 04:56:50,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 04:56:50,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 04:56:50,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 04:56:50,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 04:56:50,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 04:56:50,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 04:56:50,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 04:56:50,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 04:56:50,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 04:56:50,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 04:56:50,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 04:56:50,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-07 04:56:50,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 04:56:50,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:50,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 04:56:50,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 04:56:50,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 04:56:50,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 04:56:50,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 04:56:50,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 04:56:50,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-07 04:56:50,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 04:56:50,110 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-07 04:56:50,111 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-07 04:56:50,111 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_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 [2021-11-07 04:56:50,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 04:56:50,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 04:56:50,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 04:56:50,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 04:56:50,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 04:56:50,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-07 04:56:50,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/data/eea8cc275/a399759a258249b5ac1772bdcce36c15/FLAG80930b50b [2021-11-07 04:56:51,017 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 04:56:51,022 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-07 04:56:51,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/data/eea8cc275/a399759a258249b5ac1772bdcce36c15/FLAG80930b50b [2021-11-07 04:56:51,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/data/eea8cc275/a399759a258249b5ac1772bdcce36c15 [2021-11-07 04:56:51,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 04:56:51,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 04:56:51,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:51,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 04:56:51,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 04:56:51,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0feafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51, skipping insertion in model container [2021-11-07 04:56:51,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 04:56:51,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 04:56:51,714 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_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-07 04:56:51,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:51,743 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 04:56:51,789 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_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-07 04:56:51,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 04:56:51,825 INFO L208 MainTranslator]: Completed translation [2021-11-07 04:56:51,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51 WrapperNode [2021-11-07 04:56:51,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 04:56:51,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:51,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 04:56:51,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 04:56:51,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 04:56:51,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 04:56:51,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 04:56:51,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 04:56:51,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 04:56:51,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 04:56:51,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 04:56:51,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 04:56:51,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (1/1) ... [2021-11-07 04:56:51,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 04:56:51,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:52,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:52,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 04:56:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 04:56:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 04:56:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 04:56:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-07 04:56:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-07 04:56:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-07 04:56:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-07 04:56:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-07 04:56:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-07 04:56:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-07 04:56:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-07 04:56:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 04:56:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-07 04:56:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-07 04:56:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 04:56:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 04:56:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 04:56:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 04:56:52,071 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 04:56:52,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 04:56:52,767 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-07 04:56:52,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52 BoogieIcfgContainer [2021-11-07 04:56:52,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 04:56:52,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 04:56:52,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 04:56:52,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 04:56:52,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:56:51" (1/3) ... [2021-11-07 04:56:52,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff18ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:52, skipping insertion in model container [2021-11-07 04:56:52,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:51" (2/3) ... [2021-11-07 04:56:52,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ff18ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:52, skipping insertion in model container [2021-11-07 04:56:52,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52" (3/3) ... [2021-11-07 04:56:52,784 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2021-11-07 04:56:52,791 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 04:56:52,791 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 04:56:52,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 04:56:52,792 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 04:56:52,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,848 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,848 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,848 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,849 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,849 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,850 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,850 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,852 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,855 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,855 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,855 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,856 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,856 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,856 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,857 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,857 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,858 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,858 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,858 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,858 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,858 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,859 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,859 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,859 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,860 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,860 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,861 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,861 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,862 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,862 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,863 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,863 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,864 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,864 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,864 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,865 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,865 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,865 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,866 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,866 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,866 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,866 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,867 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,867 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,868 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,868 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,868 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,869 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,869 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,872 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,873 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,873 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,874 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,874 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,876 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,876 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,900 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,900 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,900 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,901 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,901 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,901 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,901 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,902 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,902 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,905 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,905 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,906 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,906 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,908 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,909 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,909 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,910 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,911 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,911 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,913 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,913 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,914 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:52,923 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-07 04:56:52,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-07 04:56:52,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:52,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-07 04:56:52,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-07 04:56:53,020 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-07 04:56:53,026 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 [2021-11-07 04:56:53,026 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-07 04:56:53,342 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:53,368 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:53,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:53,406 INFO L85 PathProgramCache]: Analyzing trace with hash -515106252, now seen corresponding path program 1 times [2021-11-07 04:56:53,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:53,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213201144] [2021-11-07 04:56:53,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:53,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:53,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:53,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213201144] [2021-11-07 04:56:53,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213201144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:53,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:53,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 04:56:53,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343942675] [2021-11-07 04:56:53,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 04:56:53,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:53,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 04:56:53,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 04:56:53,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,648 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:53,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 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) [2021-11-07 04:56:53,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:53,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 04:56:53,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:53,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash -772842841, now seen corresponding path program 1 times [2021-11-07 04:56:53,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:53,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703478030] [2021-11-07 04:56:53,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:53,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:54,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:54,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703478030] [2021-11-07 04:56:54,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703478030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:54,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:54,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:56:54,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987210685] [2021-11-07 04:56:54,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:56:54,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:56:54,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:56:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,019 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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) [2021-11-07 04:56:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,100 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,107 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,117 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:54,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 04:56:54,158 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:54,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:54,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1460987626, now seen corresponding path program 1 times [2021-11-07 04:56:54,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:54,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450418275] [2021-11-07 04:56:54,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:54,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 04:56:54,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:54,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450418275] [2021-11-07 04:56:54,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450418275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:56:54,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:56:54,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 04:56:54,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325141640] [2021-11-07 04:56:54,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 04:56:54,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:54,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 04:56:54,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 04:56:54,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:54,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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) [2021-11-07 04:56:54,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:54,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:54,494 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,588 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,602 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:54,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,404 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,413 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,434 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,618 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,626 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,635 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,661 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:55,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:55,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:55,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:55,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 04:56:55,707 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:55,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:55,710 INFO L85 PathProgramCache]: Analyzing trace with hash 697123789, now seen corresponding path program 1 times [2021-11-07 04:56:55,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:55,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028715872] [2021-11-07 04:56:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:55,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:55,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:55,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:55,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028715872] [2021-11-07 04:56:55,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028715872] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:55,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157739496] [2021-11-07 04:56:55,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:55,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:55,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:55,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:55,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 04:56:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:56,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:56,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:56:56,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157739496] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:56,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:56,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-11-07 04:56:56,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898872368] [2021-11-07 04:56:56,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:56,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:56,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:56,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:56,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 10 states have internal predecessors, (128), 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) [2021-11-07 04:56:56,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:56,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:56,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,689 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:56,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:56,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:56,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:56,941 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:56,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:56,942 INFO L85 PathProgramCache]: Analyzing trace with hash -921152222, now seen corresponding path program 1 times [2021-11-07 04:56:56,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:56,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587931114] [2021-11-07 04:56:56,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:56,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:56:57,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:57,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587931114] [2021-11-07 04:56:57,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587931114] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:57,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7023006] [2021-11-07 04:56:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:57,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:57,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:57,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:57,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 04:56:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:57,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 04:56:57,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:56:57,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7023006] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:57,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:57,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-11-07 04:56:57,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259122724] [2021-11-07 04:56:57,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 04:56:57,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:57,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 04:56:57,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-07 04:56:57,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,663 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:57,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 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) [2021-11-07 04:56:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:57,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:57,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:57,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:57,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:57,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 04:56:58,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:58,003 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:56:58,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:56:58,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2116747691, now seen corresponding path program 1 times [2021-11-07 04:56:58,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:56:58,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805184202] [2021-11-07 04:56:58,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:58,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:56:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:56:58,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:56:58,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805184202] [2021-11-07 04:56:58,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805184202] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:58,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041314058] [2021-11-07 04:56:58,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:56:58,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:56:58,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:56:58,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:56:58,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 04:56:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:56:58,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 04:56:58,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:56:59,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 04:56:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:56:59,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041314058] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:56:59,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:56:59,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16] total 21 [2021-11-07 04:56:59,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308334452] [2021-11-07 04:56:59,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-07 04:56:59,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:56:59,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-07 04:56:59,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2021-11-07 04:56:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:56:59,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 10.333333333333334) internal successors, (217), 21 states have internal predecessors, (217), 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) [2021-11-07 04:56:59,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:56:59,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:59,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:59,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:56:59,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:56:59,635 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:59,750 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:56:59,882 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,034 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,044 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,050 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,056 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,076 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,086 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,092 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,100 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,118 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,123 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:00,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:00,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-07 04:57:00,427 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:00,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2038968941, now seen corresponding path program 2 times [2021-11-07 04:57:00,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:00,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345726772] [2021-11-07 04:57:00,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:00,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 04:57:00,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:00,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345726772] [2021-11-07 04:57:00,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345726772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:00,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:00,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:00,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553088915] [2021-11-07 04:57:00,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:00,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:00,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:00,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,603 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:00,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 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) [2021-11-07 04:57:00,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:00,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:00,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:00,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:00,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-07 04:57:00,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:00,640 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,700 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,709 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,715 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,837 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,852 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,857 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,874 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,880 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,892 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,914 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:00,934 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,008 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,058 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,085 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,091 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,103 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,174 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,195 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,203 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,275 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,301 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,312 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,337 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,441 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 04:57:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:01,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 04:57:01,513 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:01,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:01,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1331775063, now seen corresponding path program 3 times [2021-11-07 04:57:01,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:01,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204231522] [2021-11-07 04:57:01,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:01,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:01,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:01,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204231522] [2021-11-07 04:57:01,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204231522] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:01,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122102282] [2021-11-07 04:57:01,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 04:57:01,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:01,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:01,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:01,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 04:57:02,225 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 04:57:02,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:02,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-07 04:57:02,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:02,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 04:57:02,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-07 04:57:02,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:02,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122102282] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:02,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:02,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 24 [2021-11-07 04:57:02,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088504886] [2021-11-07 04:57:02,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-07 04:57:02,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:02,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-07 04:57:02,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2021-11-07 04:57:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:02,942 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:02,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.041666666666666) internal successors, (217), 24 states have internal predecessors, (217), 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) [2021-11-07 04:57:02,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:02,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:02,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:02,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:02,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:02,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-11-07 04:57:02,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:02,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:03,242 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,503 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:03,767 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,039 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,046 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,052 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,062 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,069 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,077 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,083 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,091 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,098 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,149 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,169 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:04,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:04,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:04,472 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:04,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:04,474 INFO L85 PathProgramCache]: Analyzing trace with hash 64340475, now seen corresponding path program 4 times [2021-11-07 04:57:04,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:04,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324448727] [2021-11-07 04:57:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:04,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:04,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 04:57:04,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:04,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324448727] [2021-11-07 04:57:04,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324448727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 04:57:04,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 04:57:04,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 04:57:04,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36070032] [2021-11-07 04:57:04,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 04:57:04,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:04,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 04:57:04,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 04:57:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,673 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:04,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 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) [2021-11-07 04:57:04,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:04,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:04,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:04,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-11-07 04:57:04,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,711 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,729 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:04,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:04,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:57:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:04,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 04:57:04,757 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:04,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:04,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1960470166, now seen corresponding path program 5 times [2021-11-07 04:57:04,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:04,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261337055] [2021-11-07 04:57:04,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:04,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:57:04,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:04,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261337055] [2021-11-07 04:57:04,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261337055] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:04,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131495682] [2021-11-07 04:57:04,871 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-07 04:57:04,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:04,872 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:04,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 04:57:05,201 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-11-07 04:57:05,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:05,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 04:57:05,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:57:05,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131495682] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:05,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:05,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2021-11-07 04:57:05,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381240919] [2021-11-07 04:57:05,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 04:57:05,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:05,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 04:57:05,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2021-11-07 04:57:05,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,598 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:05,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.0) internal successors, (216), 18 states have internal predecessors, (216), 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) [2021-11-07 04:57:05,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:05,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:05,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:05,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:05,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:05,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-07 04:57:05,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:05,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-07 04:57:05,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:05,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:06,037 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,075 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,080 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,086 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,110 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,130 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,216 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,237 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,243 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,256 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,269 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,278 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,354 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,719 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,741 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,747 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,758 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,947 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,953 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,962 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,981 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,987 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:06,994 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,011 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,348 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,368 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,377 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,393 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,423 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,428 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,432 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,521 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,526 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:07,581 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:57:08,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:08,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:08,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-07 04:57:09,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:09,147 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:09,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:09,148 INFO L85 PathProgramCache]: Analyzing trace with hash -31170067, now seen corresponding path program 6 times [2021-11-07 04:57:09,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:09,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378623491] [2021-11-07 04:57:09,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:09,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 04:57:09,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:09,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378623491] [2021-11-07 04:57:09,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378623491] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:09,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172686318] [2021-11-07 04:57:09,441 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-07 04:57:09,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:09,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:09,442 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:09,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 04:57:09,931 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-11-07 04:57:09,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 04:57:09,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-07 04:57:09,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:09,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 04:57:10,080 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-07 04:57:10,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-07 04:57:10,585 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 04:57:10,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 04:57:10,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 04:57:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 04:57:10,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172686318] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:10,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:10,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 27 [2021-11-07 04:57:10,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214639181] [2021-11-07 04:57:10,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-07 04:57:10,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:10,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-07 04:57:10,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2021-11-07 04:57:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:10,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:10,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.037037037037036) internal successors, (217), 27 states have internal predecessors, (217), 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) [2021-11-07 04:57:10,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:10,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:10,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:57:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:10,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:10,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:11,328 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,340 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,404 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,486 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,528 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,533 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,543 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,558 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,565 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,583 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,734 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,754 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,805 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,811 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,823 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:11,934 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,042 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,054 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,063 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,074 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,169 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,245 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,295 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,308 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,313 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,339 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,384 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,391 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,402 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,411 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,503 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,566 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,573 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,579 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,592 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,827 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,834 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:57:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:12,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:12,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 04:57:12,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:13,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-07 04:57:13,096 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-07 04:57:13,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 04:57:13,098 INFO L85 PathProgramCache]: Analyzing trace with hash -963782487, now seen corresponding path program 7 times [2021-11-07 04:57:13,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 04:57:13,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182996374] [2021-11-07 04:57:13,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 04:57:13,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 04:57:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 04:57:13,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 04:57:13,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182996374] [2021-11-07 04:57:13,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182996374] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:13,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615579073] [2021-11-07 04:57:13,590 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 04:57:13,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 04:57:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 [2021-11-07 04:57:13,595 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 04:57:13,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 04:57:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 04:57:13,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-07 04:57:13,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 04:57:14,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 04:57:14,102 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 04:57:14,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 04:57:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 04:57:14,512 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-07 04:57:14,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 14 [2021-11-07 04:57:14,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 04:57:15,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 04:57:15,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 04:57:15,322 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 04:57:15,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 04:57:15,438 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 04:57:15,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-11-07 04:57:15,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 04:57:15,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 04:57:15,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615579073] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 04:57:15,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 04:57:15,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25] total 38 [2021-11-07 04:57:15,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576623866] [2021-11-07 04:57:15,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-07 04:57:15,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 04:57:15,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-07 04:57:15,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1280, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 04:57:15,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,857 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-07 04:57:15,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.315789473684211) internal successors, (240), 38 states have internal predecessors, (240), 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) [2021-11-07 04:57:15,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:15,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:15,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:15,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:15,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:15,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:15,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:15,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:57:15,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:15,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-07 04:57:15,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-07 04:57:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:16,930 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:16,944 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,171 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,290 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,303 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,399 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,619 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,631 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,691 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,858 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:17,983 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,001 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,012 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,018 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,022 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,026 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,033 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,128 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,331 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,336 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,343 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,354 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,361 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,376 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,391 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,425 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,442 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,677 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,682 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,686 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,691 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,697 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,701 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,713 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,718 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,722 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,727 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,732 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,738 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,744 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,767 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,774 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,781 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,788 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,832 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,840 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,844 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,884 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,918 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,923 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,931 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,940 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,950 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:18,964 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:19,523 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,053 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,489 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,500 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,506 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,512 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,516 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,520 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,647 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,670 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,675 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,696 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,704 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,719 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,738 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,751 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,759 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,767 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,779 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,801 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,808 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:20,972 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,131 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,134 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,153 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,160 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,302 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,309 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,316 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,332 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,353 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,460 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,470 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,474 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,762 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,768 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:21,775 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:22,150 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:22,161 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:22,182 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:22,186 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:22,726 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,653 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,658 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,674 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,688 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,694 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,704 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,786 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,815 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,863 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,950 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:23,970 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,007 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,016 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,024 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,173 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,380 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,393 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,407 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 04:57:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 04:57:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 04:57:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 04:57:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 04:57:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 04:57:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 04:57:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-07 04:57:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-07 04:57:24,807 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 04:57:24,807 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 04:57:24,807 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-07 04:57:24,808 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-07 04:57:24,808 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-11-07 04:57:24,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:25,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-07 04:57:25,045 INFO L731 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1, 1] [2021-11-07 04:57:25,052 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 04:57:25,052 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 04:57:25,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:57:25 BasicIcfg [2021-11-07 04:57:25,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 04:57:25,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 04:57:25,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 04:57:25,059 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 04:57:25,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:52" (3/4) ... [2021-11-07 04:57:25,064 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 04:57:25,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-07 04:57:25,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-07 04:57:25,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-07 04:57:25,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2021-11-07 04:57:25,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-07 04:57:25,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 04:57:25,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 04:57:25,080 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 04:57:25,118 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/witness.graphml [2021-11-07 04:57:25,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 04:57:25,119 INFO L168 Benchmark]: Toolchain (without parser) took 33735.57 ms. Allocated memory was 90.2 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 57.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 489.4 MB. Max. memory is 16.1 GB. [2021-11-07 04:57:25,120 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:57:25,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.78 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 57.4 MB in the beginning and 89.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 04:57:25,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.46 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 87.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 04:57:25,123 INFO L168 Benchmark]: Boogie Preprocessor took 64.99 ms. Allocated memory is still 115.3 MB. Free memory was 87.1 MB in the beginning and 85.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 04:57:25,124 INFO L168 Benchmark]: RCFGBuilder took 807.39 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 63.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-07 04:57:25,124 INFO L168 Benchmark]: TraceAbstraction took 32286.05 ms. Allocated memory was 115.3 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 63.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 469.5 MB. Max. memory is 16.1 GB. [2021-11-07 04:57:25,124 INFO L168 Benchmark]: Witness Printer took 59.83 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 04:57:25,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 43.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.78 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 57.4 MB in the beginning and 89.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.46 ms. Allocated memory is still 115.3 MB. Free memory was 89.2 MB in the beginning and 87.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.99 ms. Allocated memory is still 115.3 MB. Free memory was 87.1 MB in the beginning and 85.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 807.39 ms. Allocated memory is still 115.3 MB. Free memory was 85.4 MB in the beginning and 63.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32286.05 ms. Allocated memory was 115.3 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 63.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 469.5 MB. Max. memory is 16.1 GB. * Witness Printer took 59.83 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 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: 938733, positive: 895483, positive conditional: 892563, positive unconditional: 2920, negative: 43250, negative conditional: 43195, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 902739, positive: 895483, positive conditional: 892563, positive unconditional: 2920, negative: 7256, negative conditional: 7201, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 902739, positive: 895483, positive conditional: 892563, positive unconditional: 2920, negative: 7256, negative conditional: 7201, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 998990, positive: 895483, positive conditional: 892219, positive unconditional: 3264, negative: 103507, negative conditional: 96251, negative unconditional: 7256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 998990, positive: 895483, positive conditional: 495259, positive unconditional: 400224, negative: 103507, negative conditional: 53585, negative unconditional: 49922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 998990, positive: 895483, positive conditional: 495259, positive unconditional: 400224, negative: 103507, negative conditional: 53585, negative unconditional: 49922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3112, positive: 2814, positive conditional: 241, positive unconditional: 2573, negative: 298, negative conditional: 243, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3112, positive: 2595, positive conditional: 0, positive unconditional: 2595, negative: 517, negative conditional: 0, negative unconditional: 517, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 517, positive: 219, positive conditional: 218, positive unconditional: 1, negative: 298, negative conditional: 243, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2234, positive: 849, positive conditional: 845, positive unconditional: 4, negative: 1385, negative conditional: 1085, negative unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 998990, positive: 892669, positive conditional: 495018, positive unconditional: 397651, negative: 103209, negative conditional: 53342, negative unconditional: 49867, unknown: 3112, unknown conditional: 484, unknown unconditional: 2628] , Statistics on independence cache: Total cache size (in pairs): 3112, Positive cache size: 2814, Positive conditional cache size: 241, Positive unconditional cache size: 2573, Negative cache size: 298, Negative conditional cache size: 243, Negative unconditional cache size: 55, Eliminated conditions: 439626, Maximal queried relation: 11, Independence queries for same thread: 35994 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 769, Number of persistent set computation: 3558, Number of trivial persistent sets: 1539, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2975, positive: 2920, positive conditional: 0, positive unconditional: 2920, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 938733, positive: 895483, positive conditional: 892563, positive unconditional: 2920, negative: 43250, negative conditional: 43195, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 902739, positive: 895483, positive conditional: 892563, positive unconditional: 2920, negative: 7256, negative conditional: 7201, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 902739, positive: 895483, positive conditional: 892563, positive unconditional: 2920, negative: 7256, negative conditional: 7201, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 998990, positive: 895483, positive conditional: 892219, positive unconditional: 3264, negative: 103507, negative conditional: 96251, negative unconditional: 7256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 998990, positive: 895483, positive conditional: 495259, positive unconditional: 400224, negative: 103507, negative conditional: 53585, negative unconditional: 49922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 998990, positive: 895483, positive conditional: 495259, positive unconditional: 400224, negative: 103507, negative conditional: 53585, negative unconditional: 49922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3112, positive: 2814, positive conditional: 241, positive unconditional: 2573, negative: 298, negative conditional: 243, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3112, positive: 2595, positive conditional: 0, positive unconditional: 2595, negative: 517, negative conditional: 0, negative unconditional: 517, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 517, positive: 219, positive conditional: 218, positive unconditional: 1, negative: 298, negative conditional: 243, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2234, positive: 849, positive conditional: 845, positive unconditional: 4, negative: 1385, negative conditional: 1085, negative unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 998990, positive: 892669, positive conditional: 495018, positive unconditional: 397651, negative: 103209, negative conditional: 53342, negative unconditional: 49867, unknown: 3112, unknown conditional: 484, unknown unconditional: 2628] , Statistics on independence cache: Total cache size (in pairs): 3112, Positive cache size: 2814, Positive conditional cache size: 241, Positive unconditional cache size: 2573, Negative cache size: 298, Negative conditional cache size: 243, Negative unconditional cache size: 55, Eliminated conditions: 439626, Maximal queried relation: 11, Independence queries for same thread: 35994 - 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: 120]: 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 9 procedures, 186 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 32.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 19.6s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 239, 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: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 2393 NumberOfCodeBlocks, 2393 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2374 ConstructedInterpolants, 0 QuantifiedInterpolants, 9118 SizeOfPredicates, 96 NumberOfNonLiveVariables, 2179 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 46/71 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! [2021-11-07 04:57:25,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-07 04:57:25,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19e57a7b-db9d-48b3-b4dc-0705cdb800ff/bin/ugemcutter-iGDDIIUDf3/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