./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w --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 b2b2bb654bf56c4e17e833d277e8505998c0901a0fe529242a0e0db923034741 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:26:18,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:26:18,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:26:18,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:26:18,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:26:18,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:26:18,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:26:18,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:26:18,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:26:18,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:26:18,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:26:18,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:26:18,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:26:18,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:26:18,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:26:18,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:26:18,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:26:18,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:26:18,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:26:18,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:26:18,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:26:18,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:26:18,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:26:18,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:26:18,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:26:18,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:26:18,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:26:18,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:26:18,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:26:18,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:26:18,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:26:18,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:26:18,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:26:18,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:26:18,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:26:18,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:26:18,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:26:18,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:26:18,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:26:18,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:26:18,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:26:18,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 09:26:18,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:26:18,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:26:18,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:26:18,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:26:18,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:26:18,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:26:18,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:26:18,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:26:18,355 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:26:18,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:26:18,355 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:26:18,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:26:18,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:26:18,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:26:18,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:26:18,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:26:18,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:26:18,358 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:26:18,358 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:26:18,358 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_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b2bb654bf56c4e17e833d277e8505998c0901a0fe529242a0e0db923034741 [2022-12-13 09:26:18,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:26:18,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:26:18,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:26:18,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:26:18,546 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:26:18,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2022-12-13 09:26:21,130 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:26:21,280 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:26:21,281 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c [2022-12-13 09:26:21,286 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/data/9f1b7dda0/a9a7f3891f904800a4ba5fcaaf603144/FLAG4990fbb9a [2022-12-13 09:26:21,297 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/data/9f1b7dda0/a9a7f3891f904800a4ba5fcaaf603144 [2022-12-13 09:26:21,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:26:21,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:26:21,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:26:21,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:26:21,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:26:21,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548fd242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21, skipping insertion in model container [2022-12-13 09:26:21,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:26:21,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:26:21,466 WARN L237 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_b45d21d7-5fe3-47fc-9502-4a9499695cc8/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c[2975,2988] [2022-12-13 09:26:21,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:26:21,480 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:26:21,498 WARN L237 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_b45d21d7-5fe3-47fc-9502-4a9499695cc8/sv-benchmarks/c/weaver/unroll-cond-5.wvr.c[2975,2988] [2022-12-13 09:26:21,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:26:21,512 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:26:21,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21 WrapperNode [2022-12-13 09:26:21,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:26:21,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:26:21,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:26:21,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:26:21,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,544 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 204 [2022-12-13 09:26:21,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:26:21,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:26:21,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:26:21,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:26:21,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:26:21,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:26:21,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:26:21,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:26:21,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (1/1) ... [2022-12-13 09:26:21,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:26:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:26:21,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:26:21,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:26:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:26:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 09:26:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 09:26:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 09:26:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 09:26:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:26:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:26:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:26:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:26:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:26:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:26:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:26:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:26:21,628 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:26:21,708 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:26:21,709 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:26:21,993 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:26:22,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:26:22,001 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 09:26:22,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:26:22 BoogieIcfgContainer [2022-12-13 09:26:22,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:26:22,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:26:22,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:26:22,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:26:22,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:26:21" (1/3) ... [2022-12-13 09:26:22,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba47e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:26:22, skipping insertion in model container [2022-12-13 09:26:22,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:26:21" (2/3) ... [2022-12-13 09:26:22,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba47e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:26:22, skipping insertion in model container [2022-12-13 09:26:22,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:26:22" (3/3) ... [2022-12-13 09:26:22,009 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2022-12-13 09:26:22,015 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:26:22,023 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:26:22,023 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 09:26:22,023 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:26:22,096 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 09:26:22,132 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:26:22,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:26:22,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:26:22,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:26:22,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:26:22,161 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:26:22,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 09:26:22,175 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@649b06e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:26:22,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 09:26:22,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:26:22,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:22,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1247078252, now seen corresponding path program 1 times [2022-12-13 09:26:22,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:22,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697371039] [2022-12-13 09:26:22,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:22,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 09:26:22,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:22,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697371039] [2022-12-13 09:26:22,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697371039] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:22,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:26:22,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:26:22,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825762150] [2022-12-13 09:26:22,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:22,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:26:22,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:22,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:26:22,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:26:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:22,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:26:22,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 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) [2022-12-13 09:26:22,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:22,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:26:22,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:26:22,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:22,774 INFO L85 PathProgramCache]: Analyzing trace with hash -474339630, now seen corresponding path program 1 times [2022-12-13 09:26:22,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:22,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877083874] [2022-12-13 09:26:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:22,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:23,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:23,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877083874] [2022-12-13 09:26:23,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877083874] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:26:23,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204983766] [2022-12-13 09:26:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:23,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:26:23,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:26:23,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:26:23,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 09:26:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:23,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 09:26:23,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:26:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:23,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:26:23,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204983766] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:26:23,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 09:26:23,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2022-12-13 09:26:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241024469] [2022-12-13 09:26:23,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:26:23,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 09:26:23,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 09:26:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-12-13 09:26:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:23,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:26:23,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.375) internal successors, (155), 8 states have internal predecessors, (155), 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) [2022-12-13 09:26:23,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:23,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:26:24,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 09:26:24,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-13 09:26:24,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:26:24,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:24,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1079275789, now seen corresponding path program 1 times [2022-12-13 09:26:24,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:24,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450973344] [2022-12-13 09:26:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:24,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 09:26:24,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:24,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450973344] [2022-12-13 09:26:24,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450973344] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:26:24,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882491705] [2022-12-13 09:26:24,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:24,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:26:24,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:26:24,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:26:24,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 09:26:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:24,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-13 09:26:24,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:26:25,505 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-12-13 09:26:25,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2022-12-13 09:26:25,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:25,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:26:26,159 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-12-13 09:26:26,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-12-13 09:26:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:26:26,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882491705] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:26:26,870 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:26:26,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18, 18] total 36 [2022-12-13 09:26:26,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163892270] [2022-12-13 09:26:26,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:26:26,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-12-13 09:26:26,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:26,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-12-13 09:26:26,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1146, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 09:26:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:26,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:26:26,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 11.722222222222221) internal successors, (422), 36 states have internal predecessors, (422), 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) [2022-12-13 09:26:26,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:26,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:26:26,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:26:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:26:28,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 09:26:28,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:26:28,510 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:26:28,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:28,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1276875454, now seen corresponding path program 1 times [2022-12-13 09:26:28,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:28,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305372261] [2022-12-13 09:26:28,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:28,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:26:30,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:30,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305372261] [2022-12-13 09:26:30,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305372261] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:26:30,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020406288] [2022-12-13 09:26:30,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:26:30,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:26:30,066 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:26:30,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 09:26:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:30,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-13 09:26:30,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:26:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:26:31,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:26:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:26:33,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020406288] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:26:33,836 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:26:33,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 25, 25] total 63 [2022-12-13 09:26:33,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721021227] [2022-12-13 09:26:33,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:26:33,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-12-13 09:26:33,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:26:33,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-12-13 09:26:33,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=3607, Unknown=0, NotChecked=0, Total=3906 [2022-12-13 09:26:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:33,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:26:33,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.253968253968255) internal successors, (520), 63 states have internal predecessors, (520), 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) [2022-12-13 09:26:33,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:33,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:26:33,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:26:33,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:26:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:26:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:26:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:26:47,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 09:26:48,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:26:48,128 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:26:48,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:26:48,128 INFO L85 PathProgramCache]: Analyzing trace with hash 106266338, now seen corresponding path program 2 times [2022-12-13 09:26:48,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:26:48,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845127886] [2022-12-13 09:26:48,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:26:48,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:26:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:26:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:26:51,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:26:51,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845127886] [2022-12-13 09:26:51,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845127886] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:26:51,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931869104] [2022-12-13 09:26:51,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:26:51,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:26:51,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:26:51,238 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:26:51,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 09:26:51,668 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:26:51,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:26:51,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 94 conjunts are in the unsatisfiable core [2022-12-13 09:26:51,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:26:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:26:55,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:27:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 268 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:27:02,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931869104] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:27:02,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:27:02,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 49, 49] total 131 [2022-12-13 09:27:02,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096471478] [2022-12-13 09:27:02,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:27:02,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-12-13 09:27:02,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:27:02,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-12-13 09:27:02,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=937, Invalid=16093, Unknown=0, NotChecked=0, Total=17030 [2022-12-13 09:27:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:27:02,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:27:02,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 7.2748091603053435) internal successors, (953), 131 states have internal predecessors, (953), 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) [2022-12-13 09:27:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:27:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:27:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:27:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:27:02,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:33:14,007 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 3) 4294967296) 1)) (.cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296) 1)) (.cse1 (mod (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse4 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 1) 4294967296)) (.cse2 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296) 1))) (and (< (mod (+ |c_thread1Thread1of1ForFork1_#t~post2#1| 3) 4294967296) .cse0) (< .cse1 .cse0) (< .cse1 .cse2) (< (mod (+ |c_thread1Thread1of1ForFork1_#t~post2#1| 1) 4294967296) .cse3) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296) 1)) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296) 1)) (< .cse4 (+ (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) 1)) (< (mod (+ |c_thread1Thread1of1ForFork1_#t~post2#1| 2) 4294967296) .cse2) (< .cse1 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296) 1)) (< .cse1 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296) 1)) (< (mod |c_thread1Thread1of1ForFork1_~i~0#1| 4294967296) .cse3) (< (mod (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296) .cse0) (< .cse1 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296) 1)) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296) 1)) (< .cse1 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296) 1)) (< .cse4 .cse2))) is different from false [2022-12-13 09:34:58,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:34:58,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:34:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:34:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:34:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2022-12-13 09:34:58,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 09:34:58,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:34:58,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:34:58,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:34:58,913 INFO L85 PathProgramCache]: Analyzing trace with hash 929460770, now seen corresponding path program 3 times [2022-12-13 09:34:58,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:34:58,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888524973] [2022-12-13 09:34:58,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:34:58,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:34:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:35:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1669 backedges. 0 proven. 1660 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:35:09,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:35:09,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888524973] [2022-12-13 09:35:09,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888524973] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:35:09,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552047459] [2022-12-13 09:35:09,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:35:09,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:35:09,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:35:09,130 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:35:09,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45d21d7-5fe3-47fc-9502-4a9499695cc8/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 09:35:13,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-12-13 09:35:13,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:35:13,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 190 conjunts are in the unsatisfiable core [2022-12-13 09:35:13,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:35:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1669 backedges. 0 proven. 1660 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:35:18,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:35:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1669 backedges. 0 proven. 1660 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:35:47,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552047459] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:35:47,231 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:35:47,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 97, 97] total 222 [2022-12-13 09:35:47,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685279572] [2022-12-13 09:35:47,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:35:47,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2022-12-13 09:35:47,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:35:47,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2022-12-13 09:35:47,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3107, Invalid=45954, Unknown=1, NotChecked=0, Total=49062 [2022-12-13 09:35:47,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:35:47,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:35:47,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 6.675675675675675) internal successors, (1482), 222 states have internal predecessors, (1482), 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) [2022-12-13 09:35:47,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:35:47,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-12-13 09:35:47,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:35:47,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:35:47,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2022-12-13 09:35:47,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:37:19,544 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 28) 4294967296) 1)) (.cse6 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296) 1)) (.cse11 (+ (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) 1)) (.cse2 (mod (+ 5 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse0 (mod (+ 6 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse8 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296) 1)) (.cse1 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 33) 4294967296) 1)) (.cse7 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 4) 4294967296)) (.cse9 (mod (+ 3 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse4 (mod (+ 7 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse5 (mod (+ 2 |c_thread1Thread1of1ForFork1_~i~0#1|) 4294967296)) (.cse12 (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 1) 4294967296)) (.cse10 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296) 1))) (and (< .cse0 .cse1) (< .cse2 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296) 1)) (< .cse0 .cse3) (<= (+ (* 4294967296 (div (+ 38 (- (mod c_~n~0 4294967296))) 4294967296)) 4294967266) |c_thread1Thread1of1ForFork1_~i~0#1|) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 37) 4294967296) 1)) (< .cse2 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296) 1)) (< .cse5 .cse6) (< .cse7 .cse8) (< .cse9 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296) 1)) (< .cse5 .cse10) (<= |c_thread1Thread1of1ForFork1_~i~0#1| 8) (< .cse2 .cse11) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 36) 4294967296) 1)) (< .cse5 (+ (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 13) 4294967296) 1)) (< .cse2 .cse3) (< .cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 30) 4294967296) 1)) (< .cse2 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 26) 4294967296) 1)) (< .cse12 (+ (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) 1)) (< .cse7 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296) 1)) (<= 8 |c_thread1Thread1of1ForFork1_~i~0#1|) (< .cse2 (+ (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 28) 4294967296) 1)) (< .cse5 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296) 1)) (< .cse12 (+ (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 8) 4294967296) 1)) (< .cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 29) 4294967296) 1)) (< .cse5 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296) 1)) (< .cse7 (+ (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) 1)) (< .cse7 (+ (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 23) 4294967296) 1)) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 35) 4294967296) 1)) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 34) 4294967296) 1)) (< .cse9 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296) 1)) (< .cse9 .cse6) (< .cse7 .cse11) (< .cse7 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296) 1)) (< .cse9 (+ (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 18) 4294967296) 1)) (< .cse2 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 27) 4294967296) 1)) (< .cse9 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296) 1)) (< .cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 33) 4294967296) 1)) (< .cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 32) 4294967296) 1)) (< .cse0 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 31) 4294967296) 1)) (< .cse5 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296) 1)) (< .cse9 .cse8) (< .cse4 .cse1) (< .cse7 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296) 1)) (< .cse9 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296) 1)) (< .cse4 (+ (mod (+ |c_thread2Thread1of1ForFork0_#t~post4#1| 38) 4294967296) 1)) (< .cse5 (+ (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296) 1)) (< .cse12 .cse10))) is different from false [2022-12-13 09:41:09,685 WARN L233 SmtUtils]: Spent 16.73s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)