./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e7e1d85f63f5db62c0766d87dec12398108cf8053838b2df867ce8148d55e54 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:04:32,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:04:32,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:04:32,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:04:32,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:04:32,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:04:32,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:04:32,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:04:32,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:04:32,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:04:32,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:04:32,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:04:32,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:04:32,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:04:32,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:04:32,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:04:32,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:04:32,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:04:32,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:04:32,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:04:32,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:04:32,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:04:32,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:04:32,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:04:32,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:04:32,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:04:32,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:04:32,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:04:32,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:04:32,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:04:32,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:04:32,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:04:32,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:04:32,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:04:32,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:04:32,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:04:32,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:04:32,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:04:32,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:04:32,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:04:32,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:04:32,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:04:32,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:04:32,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:04:32,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:04:32,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:04:32,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:04:32,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:04:32,318 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:04:32,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:04:32,318 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:04:32,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:04:32,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:04:32,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:04:32,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:04:32,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:04:32,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:04:32,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:04:32,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:04:32,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:04:32,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:04:32,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:04:32,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:04:32,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:04:32,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:04:32,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:32,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:04:32,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:04:32,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:04:32,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:04:32,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:04:32,323 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:04:32,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:04:32,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:04:32,324 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:04:32,324 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:04:32,324 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_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7e1d85f63f5db62c0766d87dec12398108cf8053838b2df867ce8148d55e54 [2021-11-02 22:04:32,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:04:32,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:04:32,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:04:32,721 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:04:32,722 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:04:32,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2021-11-02 22:04:32,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/data/dc60b580b/bb5b45d61b4a42cb902627b12a916f91/FLAG85aab96c5 [2021-11-02 22:04:33,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:04:33,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2021-11-02 22:04:33,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/data/dc60b580b/bb5b45d61b4a42cb902627b12a916f91/FLAG85aab96c5 [2021-11-02 22:04:33,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/data/dc60b580b/bb5b45d61b4a42cb902627b12a916f91 [2021-11-02 22:04:33,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:04:33,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:04:33,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:33,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:04:33,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:04:33,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:33" (1/1) ... [2021-11-02 22:04:33,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7537a252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33, skipping insertion in model container [2021-11-02 22:04:33,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:33" (1/1) ... [2021-11-02 22:04:33,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:04:33,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:04:34,023 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_d6e283f8-2e15-4070-97e0-d65c25c09354/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c[3057,3070] [2021-11-02 22:04:34,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:34,039 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:04:34,066 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_d6e283f8-2e15-4070-97e0-d65c25c09354/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c[3057,3070] [2021-11-02 22:04:34,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:34,084 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:04:34,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34 WrapperNode [2021-11-02 22:04:34,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:34,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:34,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:04:34,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:04:34,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:34,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:04:34,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:04:34,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:04:34,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:04:34,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:04:34,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:04:34,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:04:34,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (1/1) ... [2021-11-02 22:04:34,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:34,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:34,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:34,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:04:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-02 22:04:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-02 22:04:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-02 22:04:34,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-02 22:04:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-02 22:04:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-02 22:04:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:04:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:04:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:04:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-02 22:04:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-02 22:04:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:04:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:04:34,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:04:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:04:34,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:04:34,267 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:04:35,039 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:04:35,040 INFO L299 CfgBuilder]: Removed 19 assume(true) statements. [2021-11-02 22:04:35,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:35 BoogieIcfgContainer [2021-11-02 22:04:35,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:04:35,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:04:35,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:04:35,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:04:35,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:04:33" (1/3) ... [2021-11-02 22:04:35,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a53e7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:35, skipping insertion in model container [2021-11-02 22:04:35,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:34" (2/3) ... [2021-11-02 22:04:35,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a53e7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:35, skipping insertion in model container [2021-11-02 22:04:35,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:35" (3/3) ... [2021-11-02 22:04:35,052 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2021-11-02 22:04:35,058 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:04:35,059 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:04:35,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:04:35,059 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:04:35,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,098 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,099 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,100 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,100 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,101 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,102 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,102 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,102 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,102 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,103 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,103 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,103 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,103 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,105 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,106 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,106 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,106 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,106 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,107 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,107 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,108 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,108 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,108 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,108 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,108 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,109 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,109 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,109 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,109 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,112 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,113 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,113 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,113 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,113 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,114 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,114 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,114 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,116 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,116 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,116 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,116 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,119 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,119 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,128 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-02 22:04:35,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:04:35,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:35,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:35,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-02 22:04:35,219 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-02 22:04:35,225 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:04:35,225 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-02 22:04:35,508 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,536 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:35,562 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:35,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:35,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1076390650, now seen corresponding path program 1 times [2021-11-02 22:04:35,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:35,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145684364] [2021-11-02 22:04:35,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:35,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:35,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:35,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145684364] [2021-11-02 22:04:35,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145684364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:35,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:35,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:04:35,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496978775] [2021-11-02 22:04:35,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:04:35,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:35,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:04:35,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:04:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:35,858 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:35,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:04:35,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:35,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:35,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:04:35,916 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:35,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:35,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1242291696, now seen corresponding path program 1 times [2021-11-02 22:04:35,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:35,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044075084] [2021-11-02 22:04:35,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:35,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:36,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:36,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044075084] [2021-11-02 22:04:36,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044075084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:36,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:36,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:04:36,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626717020] [2021-11-02 22:04:36,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:04:36,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:36,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:04:36,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:04:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:36,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:36,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:04:36,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:36,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:36,547 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:36,566 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:36,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:36,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:04:36,611 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:36,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:36,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1760421424, now seen corresponding path program 1 times [2021-11-02 22:04:36,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:36,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627213944] [2021-11-02 22:04:36,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:36,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:36,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:36,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627213944] [2021-11-02 22:04:36,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627213944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:36,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:36,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:04:36,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111080106] [2021-11-02 22:04:36,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:04:36,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:36,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:04:36,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:04:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:36,808 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:36,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 7 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:04:36,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:36,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:36,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:36,902 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:36,938 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:36,948 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:36,966 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:36,998 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:37,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:04:37,037 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:37,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2038990137, now seen corresponding path program 1 times [2021-11-02 22:04:37,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:37,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743757045] [2021-11-02 22:04:37,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:37,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:37,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:04:37,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:37,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743757045] [2021-11-02 22:04:37,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743757045] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:37,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215846151] [2021-11-02 22:04:37,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:37,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:04:37,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:37,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:04:37,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 22:04:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:37,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:04:37,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:04:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-02 22:04:37,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215846151] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:04:37,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:04:37,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-11-02 22:04:37,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892755633] [2021-11-02 22:04:37,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 22:04:37,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:37,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 22:04:37,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:04:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:37,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:37,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.6) internal successors, (136), 10 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:04:37,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:37,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:37,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:37,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:37,935 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:37,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:38,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-02 22:04:38,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:04:38,186 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:38,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:38,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1830505, now seen corresponding path program 1 times [2021-11-02 22:04:38,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:38,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101364467] [2021-11-02 22:04:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:38,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:04:38,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:38,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101364467] [2021-11-02 22:04:38,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101364467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:38,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:38,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-02 22:04:38,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017592808] [2021-11-02 22:04:38,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-02 22:04:38,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:38,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 22:04:38,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:04:38,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:38,383 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:38,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 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) [2021-11-02 22:04:38,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:38,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:38,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:38,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:38,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:38,647 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:38,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 22:04:38,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:04:38,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:04:38,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-02 22:04:38,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-02 22:04:38,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:04:38,694 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-02 22:04:38,696 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:04:38,696 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:04:38,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:04:38 BasicIcfg [2021-11-02 22:04:38,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:04:38,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:04:38,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:04:38,699 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:04:38,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:35" (3/4) ... [2021-11-02 22:04:38,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:04:38,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-02 22:04:38,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-02 22:04:38,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-02 22:04:38,715 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-02 22:04:38,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-02 22:04:38,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:04:38,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:04:38,764 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/witness.graphml [2021-11-02 22:04:38,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:04:38,766 INFO L168 Benchmark]: Toolchain (without parser) took 5034.96 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 73.1 MB in the beginning and 92.9 MB in the end (delta: -19.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:38,766 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory was 89.6 MB in the beginning and 89.4 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:04:38,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.05 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 83.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:38,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.38 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 81.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:38,768 INFO L168 Benchmark]: Boogie Preprocessor took 41.07 ms. Allocated memory is still 111.1 MB. Free memory was 81.4 MB in the beginning and 79.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:38,769 INFO L168 Benchmark]: RCFGBuilder took 870.53 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 60.2 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:38,769 INFO L168 Benchmark]: TraceAbstraction took 3654.08 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 59.3 MB in the beginning and 97.1 MB in the end (delta: -37.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:04:38,770 INFO L168 Benchmark]: Witness Printer took 65.22 ms. Allocated memory is still 134.2 MB. Free memory was 97.1 MB in the beginning and 92.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:38,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory was 89.6 MB in the beginning and 89.4 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.05 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 83.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.38 ms. Allocated memory is still 111.1 MB. Free memory was 83.3 MB in the beginning and 81.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.07 ms. Allocated memory is still 111.1 MB. Free memory was 81.4 MB in the beginning and 79.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 870.53 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 60.2 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3654.08 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 59.3 MB in the beginning and 97.1 MB in the end (delta: -37.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 65.22 ms. Allocated memory is still 134.2 MB. Free memory was 97.1 MB in the beginning and 92.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4466, positive: 3776, positive conditional: 2586, positive unconditional: 1190, negative: 690, negative conditional: 663, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4195, positive: 3776, positive conditional: 2586, positive unconditional: 1190, negative: 419, negative conditional: 392, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4195, positive: 3776, positive conditional: 2586, positive unconditional: 1190, negative: 419, negative conditional: 392, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5220, positive: 3776, positive conditional: 2446, positive unconditional: 1330, negative: 1444, negative conditional: 1025, negative unconditional: 419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5220, positive: 3776, positive conditional: 744, positive unconditional: 3032, negative: 1444, negative conditional: 14, negative unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5220, positive: 3776, positive conditional: 744, positive unconditional: 3032, negative: 1444, negative conditional: 14, negative unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1178, positive: 1148, positive conditional: 6, positive unconditional: 1142, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1178, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 239, negative conditional: 39, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5220, positive: 2628, positive conditional: 738, positive unconditional: 1890, negative: 1414, negative conditional: 11, negative unconditional: 1403, unknown: 1178, unknown conditional: 9, unknown unconditional: 1169] , Statistics on independence cache: Total cache size (in pairs): 1178, Positive cache size: 1148, Positive conditional cache size: 6, Positive unconditional cache size: 1142, Negative cache size: 30, Negative conditional cache size: 3, Negative unconditional cache size: 27, Eliminated conditions: 2713, Maximal queried relation: 4, Independence queries for same thread: 271 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 302, Number of persistent set computation: 282, Number of trivial persistent sets: 156, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1217, positive: 1190, positive conditional: 0, positive unconditional: 1190, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4466, positive: 3776, positive conditional: 2586, positive unconditional: 1190, negative: 690, negative conditional: 663, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4195, positive: 3776, positive conditional: 2586, positive unconditional: 1190, negative: 419, negative conditional: 392, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4195, positive: 3776, positive conditional: 2586, positive unconditional: 1190, negative: 419, negative conditional: 392, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5220, positive: 3776, positive conditional: 2446, positive unconditional: 1330, negative: 1444, negative conditional: 1025, negative unconditional: 419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5220, positive: 3776, positive conditional: 744, positive unconditional: 3032, negative: 1444, negative conditional: 14, negative unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5220, positive: 3776, positive conditional: 744, positive unconditional: 3032, negative: 1444, negative conditional: 14, negative unconditional: 1430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1178, positive: 1148, positive conditional: 6, positive unconditional: 1142, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1178, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 30, negative conditional: 3, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 239, negative conditional: 39, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5220, positive: 2628, positive conditional: 738, positive unconditional: 1890, negative: 1414, negative conditional: 11, negative unconditional: 1403, unknown: 1178, unknown conditional: 9, unknown unconditional: 1169] , Statistics on independence cache: Total cache size (in pairs): 1178, Positive cache size: 1148, Positive conditional cache size: 6, Positive unconditional cache size: 1142, Negative cache size: 30, Negative conditional cache size: 3, Negative unconditional cache size: 27, Eliminated conditions: 2713, Maximal queried relation: 4, Independence queries for same thread: 271 - 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: 115]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 178 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 1549 SizeOfPredicates, 5 NumberOfNonLiveVariables, 281 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 6/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-02 22:04:38,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:39,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6e283f8-2e15-4070-97e0-d65c25c09354/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE