./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/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_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r --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-0f8a17c [2021-11-19 05:41:13,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:41:13,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:41:13,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:41:13,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:41:13,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:41:13,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:41:13,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:41:13,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:41:13,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:41:13,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:41:13,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:41:13,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:41:13,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:41:13,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:41:13,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:41:13,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:41:13,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:41:13,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:41:13,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:41:13,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:41:13,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:41:13,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:41:13,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:41:13,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:41:13,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:41:13,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:41:13,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:41:13,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:41:13,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:41:13,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:41:13,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:41:13,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:41:13,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:41:13,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:41:13,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:41:13,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:41:13,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:41:13,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:41:13,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:41:13,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:41:13,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-19 05:41:13,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:41:13,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:41:13,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:41:13,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:41:13,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:41:13,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:41:13,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:41:13,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:41:13,461 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:41:13,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:41:13,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:41:13,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:41:13,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:41:13,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:41:13,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:41:13,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:41:13,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:41:13,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:41:13,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:41:13,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:41:13,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:41:13,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:41:13,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:41:13,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-19 05:41:13,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:41:13,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:41:13,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:41:13,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:41:13,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:41:13,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:41:13,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:41:13,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:41:13,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-19 05:41:13,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:41:13,466 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-19 05:41:13,466 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-19 05:41:13,466 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_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7e1d85f63f5db62c0766d87dec12398108cf8053838b2df867ce8148d55e54 [2021-11-19 05:41:13,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:41:13,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:41:13,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:41:13,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:41:13,815 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:41:13,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/../../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2021-11-19 05:41:13,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/data/83f355e6f/428623d6dfc8420a89e85dfbd2a80482/FLAG73a85af52 [2021-11-19 05:41:14,440 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:41:14,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2021-11-19 05:41:14,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/data/83f355e6f/428623d6dfc8420a89e85dfbd2a80482/FLAG73a85af52 [2021-11-19 05:41:14,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/data/83f355e6f/428623d6dfc8420a89e85dfbd2a80482 [2021-11-19 05:41:14,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:41:14,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:41:14,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:41:14,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:41:14,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:41:14,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:14" (1/1) ... [2021-11-19 05:41:14,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45976604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:14, skipping insertion in model container [2021-11-19 05:41:14,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:14" (1/1) ... [2021-11-19 05:41:14,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:41:14,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:41:15,216 WARN L230 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_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c[3057,3070] [2021-11-19 05:41:15,225 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:41:15,234 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:41:15,259 WARN L230 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_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c[3057,3070] [2021-11-19 05:41:15,263 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:41:15,278 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:41:15,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15 WrapperNode [2021-11-19 05:41:15,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:41:15,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:41:15,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:41:15,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:41:15,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,367 INFO L137 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2021-11-19 05:41:15,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:41:15,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:41:15,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:41:15,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:41:15,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:41:15,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:41:15,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:41:15,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:41:15,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (1/1) ... [2021-11-19 05:41:15,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:41:15,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:15,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:41:15,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:41:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:41:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:41:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:41:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:41:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-19 05:41:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-19 05:41:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-19 05:41:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-19 05:41:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-19 05:41:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-19 05:41:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:41:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 05:41:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 05:41:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:41:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:41:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:41:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:41:15,578 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:41:15,687 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:41:15,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:41:16,123 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:41:16,187 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:41:16,187 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 05:41:16,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:41:16 BoogieIcfgContainer [2021-11-19 05:41:16,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:41:16,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:41:16,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:41:16,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:41:16,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:41:14" (1/3) ... [2021-11-19 05:41:16,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463b2272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:41:16, skipping insertion in model container [2021-11-19 05:41:16,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:15" (2/3) ... [2021-11-19 05:41:16,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463b2272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:41:16, skipping insertion in model container [2021-11-19 05:41:16,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:41:16" (3/3) ... [2021-11-19 05:41:16,199 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2021-11-19 05:41:16,205 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:41:16,205 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:41:16,206 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:41:16,206 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:41:16,262 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,263 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,263 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,263 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,264 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,264 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,264 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,264 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,266 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,269 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,270 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,271 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,272 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,272 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,274 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,274 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,274 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,275 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,275 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,275 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,277 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,279 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,281 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,281 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,282 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,282 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,291 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,292 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,292 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,292 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,292 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,293 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,295 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,299 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,300 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,300 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,300 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,300 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,301 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,308 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-19 05:41:16,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-19 05:41:16,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:16,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-19 05:41:16,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-19 05:41:16,412 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-19 05:41:16,419 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 [2021-11-19 05:41:16,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-19 05:41:16,629 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,675 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:16,713 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:41:16,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:16,722 INFO L85 PathProgramCache]: Analyzing trace with hash 238160881, now seen corresponding path program 1 times [2021-11-19 05:41:16,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:16,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103969475] [2021-11-19 05:41:16,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:16,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:41:17,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:17,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103969475] [2021-11-19 05:41:17,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103969475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:17,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:41:17,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:41:17,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971876514] [2021-11-19 05:41:17,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:17,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:41:17,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:17,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:41:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:41:17,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:17,102 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:17,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.0) internal successors, (136), 2 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) [2021-11-19 05:41:17,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:17,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:41:17,158 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:41:17,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:17,159 INFO L85 PathProgramCache]: Analyzing trace with hash -439759850, now seen corresponding path program 1 times [2021-11-19 05:41:17,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:17,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141167162] [2021-11-19 05:41:17,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:17,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:41:17,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:17,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141167162] [2021-11-19 05:41:17,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141167162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:17,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:41:17,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:41:17,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936355462] [2021-11-19 05:41:17,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:17,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:41:17,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:17,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:41:17,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:41:17,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:17,742 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:17,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 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) [2021-11-19 05:41:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:17,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:17,887 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:17,906 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:17,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:41:17,975 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:41:17,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:17,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1230614436, now seen corresponding path program 1 times [2021-11-19 05:41:17,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:17,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355218673] [2021-11-19 05:41:17,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:17,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:41:18,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:18,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355218673] [2021-11-19 05:41:18,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355218673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:18,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:41:18,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 05:41:18,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489278930] [2021-11-19 05:41:18,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:18,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:41:18,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:18,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:41:18,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:41:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:18,252 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:18,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 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) [2021-11-19 05:41:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:18,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:18,434 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:18,521 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:18,536 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:18,567 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:18,616 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:18,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:41:18,679 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:41:18,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:18,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1826657095, now seen corresponding path program 1 times [2021-11-19 05:41:18,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:18,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62985834] [2021-11-19 05:41:18,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:18,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:41:18,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:18,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62985834] [2021-11-19 05:41:18,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62985834] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:41:18,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138044986] [2021-11-19 05:41:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:18,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:41:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:18,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:41:18,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:41:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:19,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 05:41:19,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:41:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:41:19,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:41:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:41:20,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138044986] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:41:20,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:41:20,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-11-19 05:41:20,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491273771] [2021-11-19 05:41:20,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:20,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:41:20,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:20,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:41:20,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:41:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:20,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:20,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 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) [2021-11-19 05:41:20,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:20,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:20,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:20,221 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:20,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:20,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:41:20,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:41:20,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:41:20,462 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:41:20,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:20,463 INFO L85 PathProgramCache]: Analyzing trace with hash -572390035, now seen corresponding path program 1 times [2021-11-19 05:41:20,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:20,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49713060] [2021-11-19 05:41:20,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:20,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 05:41:20,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:20,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49713060] [2021-11-19 05:41:20,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49713060] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:41:20,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268053183] [2021-11-19 05:41:20,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:20,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:41:20,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:20,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:41:20,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:41:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:21,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-19 05:41:21,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:41:21,736 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 11 treesize of output 7 [2021-11-19 05:41:22,222 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 [2021-11-19 05:41:22,326 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 [2021-11-19 05:41:22,404 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 [2021-11-19 05:41:22,711 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 [2021-11-19 05:41:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:41:22,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:41:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 05:41:23,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268053183] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:41:23,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:41:23,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13, 22] total 36 [2021-11-19 05:41:23,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99572686] [2021-11-19 05:41:23,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:23,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:41:23,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:23,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:41:23,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1121, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 05:41:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:23,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:23,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.8) internal successors, (148), 10 states have internal predecessors, (148), 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) [2021-11-19 05:41:23,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:23,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:23,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:23,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:41:23,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:23,691 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:23,741 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:41:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:41:23,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:41:24,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:41:24,080 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:41:24,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:24,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1473881049, now seen corresponding path program 2 times [2021-11-19 05:41:24,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:24,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480654591] [2021-11-19 05:41:24,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:24,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 05:41:24,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:24,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480654591] [2021-11-19 05:41:24,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480654591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:24,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:41:24,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-19 05:41:24,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330387351] [2021-11-19 05:41:24,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:24,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-19 05:41:24,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:24,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-19 05:41:24,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2021-11-19 05:41:24,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:24,934 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:24,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.481481481481482) internal successors, (148), 27 states have internal predecessors, (148), 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) [2021-11-19 05:41:24,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:24,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:24,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:24,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:41:24,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:41:24,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:26,425 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:26,654 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:26,662 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:26,678 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:26,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:26,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:26,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:26,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:41:26,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:41:26,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-19 05:41:26,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:41:26,843 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:41:26,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:41:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash -351760857, now seen corresponding path program 3 times [2021-11-19 05:41:26,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:41:26,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425550625] [2021-11-19 05:41:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:41:26,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:41:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:41:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-19 05:41:27,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:41:27,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425550625] [2021-11-19 05:41:27,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425550625] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:41:27,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793351088] [2021-11-19 05:41:27,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 05:41:27,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:41:27,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 [2021-11-19 05:41:27,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:41:27,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:41:27,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-19 05:41:27,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:41:27,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 05:41:27,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:41:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 05:41:27,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:41:27,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793351088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:41:27,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:41:27,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 17 [2021-11-19 05:41:27,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627757053] [2021-11-19 05:41:27,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:41:27,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:41:27,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:41:27,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:41:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:41:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:27,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-19 05:41:27,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 8 states have internal predecessors, (148), 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) [2021-11-19 05:41:27,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:27,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:27,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:27,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:41:27,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:41:27,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-11-19 05:41:27,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:28,134 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:28,152 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:28,162 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:28,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem9_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:28,232 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:28,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem4_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:41:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:41:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:41:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:41:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:41:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:41:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-19 05:41:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:41:28,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-19 05:41:28,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-19 05:41:28,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-19 05:41:28,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-19 05:41:28,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:41:28,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-19 05:41:28,922 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2021-11-19 05:41:28,927 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 05:41:28,927 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:41:28,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:41:28 BasicIcfg [2021-11-19 05:41:28,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:41:28,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:41:28,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:41:28,937 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:41:28,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:41:16" (3/4) ... [2021-11-19 05:41:28,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:41:28,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-11-19 05:41:28,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-11-19 05:41:28,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-11-19 05:41:28,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-19 05:41:28,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 05:41:28,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:41:28,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:41:29,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/witness.graphml [2021-11-19 05:41:29,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:41:29,038 INFO L158 Benchmark]: Toolchain (without parser) took 14113.65ms. Allocated memory was 115.3MB in the beginning and 220.2MB in the end (delta: 104.9MB). Free memory was 72.4MB in the beginning and 68.9MB in the end (delta: 3.6MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2021-11-19 05:41:29,039 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:41:29,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.34ms. Allocated memory is still 115.3MB. Free memory was 72.3MB in the beginning and 88.2MB in the end (delta: -15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:41:29,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.71ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:41:29,040 INFO L158 Benchmark]: Boogie Preprocessor took 82.64ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:41:29,041 INFO L158 Benchmark]: RCFGBuilder took 731.44ms. Allocated memory is still 115.3MB. Free memory was 84.6MB in the beginning and 66.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-19 05:41:29,041 INFO L158 Benchmark]: TraceAbstraction took 12743.51ms. Allocated memory was 115.3MB in the beginning and 220.2MB in the end (delta: 104.9MB). Free memory was 65.7MB in the beginning and 72.0MB in the end (delta: -6.3MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2021-11-19 05:41:29,042 INFO L158 Benchmark]: Witness Printer took 100.64ms. Allocated memory is still 220.2MB. Free memory was 72.0MB in the beginning and 68.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:41:29,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.34ms. Allocated memory is still 115.3MB. Free memory was 72.3MB in the beginning and 88.2MB in the end (delta: -15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.71ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.64ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 84.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 731.44ms. Allocated memory is still 115.3MB. Free memory was 84.6MB in the beginning and 66.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12743.51ms. Allocated memory was 115.3MB in the beginning and 220.2MB in the end (delta: 104.9MB). Free memory was 65.7MB in the beginning and 72.0MB in the end (delta: -6.3MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * Witness Printer took 100.64ms. Allocated memory is still 220.2MB. Free memory was 72.0MB in the beginning and 68.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5198, positive: 4501, positive conditional: 3160, positive unconditional: 1341, negative: 697, negative conditional: 667, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4831, positive: 4501, positive conditional: 3160, positive unconditional: 1341, negative: 330, negative conditional: 300, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4831, positive: 4501, positive conditional: 3160, positive unconditional: 1341, negative: 330, negative conditional: 300, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5575, positive: 4501, positive conditional: 3020, positive unconditional: 1481, negative: 1074, negative conditional: 744, negative unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5575, positive: 4501, positive conditional: 1320, positive unconditional: 3181, negative: 1074, negative conditional: 147, negative unconditional: 927, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5575, positive: 4501, positive conditional: 1320, positive unconditional: 3181, negative: 1074, negative conditional: 147, negative unconditional: 927, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1286, positive: 1245, positive conditional: 27, positive unconditional: 1218, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1286, positive: 1224, positive conditional: 0, positive unconditional: 1224, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 21, positive conditional: 20, positive unconditional: 1, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 348, positive: 92, positive conditional: 88, positive unconditional: 4, negative: 256, negative conditional: 66, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5575, positive: 3256, positive conditional: 1293, positive unconditional: 1963, negative: 1033, negative conditional: 136, negative unconditional: 897, unknown: 1286, unknown conditional: 38, unknown unconditional: 1248] , Statistics on independence cache: Total cache size (in pairs): 1286, Positive cache size: 1245, Positive conditional cache size: 27, Positive unconditional cache size: 1218, Negative cache size: 41, Negative conditional cache size: 11, Negative unconditional cache size: 30, Eliminated conditions: 2297, Maximal queried relation: 5, Independence queries for same thread: 367 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 401, Number of trivial persistent sets: 241, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1371, positive: 1341, positive conditional: 0, positive unconditional: 1341, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5198, positive: 4501, positive conditional: 3160, positive unconditional: 1341, negative: 697, negative conditional: 667, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4831, positive: 4501, positive conditional: 3160, positive unconditional: 1341, negative: 330, negative conditional: 300, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4831, positive: 4501, positive conditional: 3160, positive unconditional: 1341, negative: 330, negative conditional: 300, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5575, positive: 4501, positive conditional: 3020, positive unconditional: 1481, negative: 1074, negative conditional: 744, negative unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5575, positive: 4501, positive conditional: 1320, positive unconditional: 3181, negative: 1074, negative conditional: 147, negative unconditional: 927, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5575, positive: 4501, positive conditional: 1320, positive unconditional: 3181, negative: 1074, negative conditional: 147, negative unconditional: 927, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1286, positive: 1245, positive conditional: 27, positive unconditional: 1218, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1286, positive: 1224, positive conditional: 0, positive unconditional: 1224, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 21, positive conditional: 20, positive unconditional: 1, negative: 41, negative conditional: 11, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 348, positive: 92, positive conditional: 88, positive unconditional: 4, negative: 256, negative conditional: 66, negative unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5575, positive: 3256, positive conditional: 1293, positive unconditional: 1963, negative: 1033, negative conditional: 136, negative unconditional: 897, unknown: 1286, unknown conditional: 38, unknown unconditional: 1248] , Statistics on independence cache: Total cache size (in pairs): 1286, Positive cache size: 1245, Positive conditional cache size: 27, Positive unconditional cache size: 1218, Negative cache size: 41, Negative conditional cache size: 11, Negative unconditional cache size: 30, Eliminated conditions: 2297, Maximal queried relation: 5, Independence queries for same thread: 367 - 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, 194 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 1429 NumberOfCodeBlocks, 1412 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1708 ConstructedInterpolants, 0 QuantifiedInterpolants, 7032 SizeOfPredicates, 50 NumberOfNonLiveVariables, 857 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 18/25 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! [2021-11-19 05:41:29,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:41:29,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88f3110-b6b8-480c-aabb-a8f3d3d526fd/bin/ugemcutter-Ozs8LMUF8r/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