./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA --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 dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:49:00,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:49:00,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:49:00,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:49:00,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:49:00,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:49:00,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:49:00,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:49:00,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:49:00,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:49:00,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:49:00,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:49:00,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:49:00,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:49:00,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:49:00,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:49:00,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:49:00,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:49:00,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:49:00,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:49:00,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:49:00,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:49:00,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:49:00,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:49:00,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:49:00,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:49:00,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:49:00,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:49:00,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:49:00,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:49:00,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:49:00,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:49:00,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:49:00,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:49:00,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:49:00,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:49:00,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:49:00,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:49:00,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:49:00,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:49:00,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:49:00,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:49:00,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:49:00,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:49:00,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:49:00,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:49:00,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:49:00,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:49:00,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:49:00,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:49:00,706 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:49:00,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:49:00,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:49:00,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:49:00,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:49:00,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:49:00,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:49:00,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:49:00,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:49:00,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:49:00,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:49:00,709 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:49:00,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:49:00,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:49:00,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:49:00,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:49:00,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:49:00,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:49:00,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:49:00,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:49:00,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:49:00,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:49:00,714 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:49:00,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:49:00,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:49:00,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:49:00,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:49:00,715 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:49:00,716 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:49:00,716 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_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2021-12-07 09:49:00,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:49:01,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:49:01,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:49:01,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:49:01,004 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:49:01,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2021-12-07 09:49:01,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/data/c4747c6d5/e24cb865447a454b9a85a61549b713e2/FLAG90818eb95 [2021-12-07 09:49:01,627 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:49:01,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2021-12-07 09:49:01,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/data/c4747c6d5/e24cb865447a454b9a85a61549b713e2/FLAG90818eb95 [2021-12-07 09:49:01,948 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/data/c4747c6d5/e24cb865447a454b9a85a61549b713e2 [2021-12-07 09:49:01,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:49:01,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:49:01,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:49:01,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:49:01,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:49:01,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:49:01" (1/1) ... [2021-12-07 09:49:01,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cc7e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:01, skipping insertion in model container [2021-12-07 09:49:01,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:49:01" (1/1) ... [2021-12-07 09:49:01,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:49:02,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:49:02,499 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_55aab221-a6ee-4730-a822-25ff132b1b99/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2021-12-07 09:49:02,511 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,511 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,512 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,512 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:49:02,548 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:49:02,579 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_55aab221-a6ee-4730-a822-25ff132b1b99/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2021-12-07 09:49:02,582 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,583 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,583 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,584 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-07 09:49:02,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:49:02,656 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:49:02,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02 WrapperNode [2021-12-07 09:49:02,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:49:02,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:49:02,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:49:02,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:49:02,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,718 INFO L137 Inliner]: procedures = 278, calls = 51, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 221 [2021-12-07 09:49:02,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:49:02,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:49:02,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:49:02,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:49:02,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:49:02,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:49:02,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:49:02,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:49:02,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (1/1) ... [2021-12-07 09:49:02,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:49:02,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:02,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:49:02,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:49:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:49:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 09:49:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:49:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 09:49:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:49:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-07 09:49:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 09:49:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:49:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 09:49:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-07 09:49:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-07 09:49:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:49:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:49:02,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:49:02,890 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:49:03,025 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:49:03,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:49:03,427 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:49:03,439 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:49:03,439 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-07 09:49:03,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:49:03 BoogieIcfgContainer [2021-12-07 09:49:03,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:49:03,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:49:03,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:49:03,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:49:03,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:49:01" (1/3) ... [2021-12-07 09:49:03,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28052960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:49:03, skipping insertion in model container [2021-12-07 09:49:03,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:49:02" (2/3) ... [2021-12-07 09:49:03,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28052960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:49:03, skipping insertion in model container [2021-12-07 09:49:03,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:49:03" (3/3) ... [2021-12-07 09:49:03,450 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2021-12-07 09:49:03,455 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:49:03,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:49:03,456 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 09:49:03,456 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:49:03,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,541 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,542 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,556 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,557 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,558 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,559 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,560 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,571 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,572 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,573 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,574 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,575 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,576 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,577 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,582 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:49:03,610 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-07 09:49:03,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:49:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:03,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:49:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:49:03,717 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-12-07 09:49:03,725 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 [2021-12-07 09:49:03,732 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 09:49:04,008 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:04,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1997035515, now seen corresponding path program 1 times [2021-12-07 09:49:04,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:04,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841252823] [2021-12-07 09:49:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:04,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:49:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:49:04,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:04,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841252823] [2021-12-07 09:49:04,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841252823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:49:04,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:49:04,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:49:04,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128243742] [2021-12-07 09:49:04,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:49:04,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 09:49:04,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:04,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 09:49:04,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 09:49:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,473 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:04,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 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) [2021-12-07 09:49:04,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:49:04,545 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:04,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:04,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1121257606, now seen corresponding path program 1 times [2021-12-07 09:49:04,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:04,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749996132] [2021-12-07 09:49:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:04,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:49:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:49:04,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:04,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749996132] [2021-12-07 09:49:04,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749996132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:49:04,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:49:04,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:49:04,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083309031] [2021-12-07 09:49:04,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:49:04,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:49:04,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:04,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:49:04,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:49:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,655 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:04,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-12-07 09:49:04,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:04,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 09:49:04,705 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:04,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:04,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1940012098, now seen corresponding path program 1 times [2021-12-07 09:49:04,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:04,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479892344] [2021-12-07 09:49:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:04,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:49:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:49:04,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:04,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479892344] [2021-12-07 09:49:04,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479892344] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:49:04,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:49:04,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:49:04,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650037773] [2021-12-07 09:49:04,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:49:04,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:49:04,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:04,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:49:04,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:49:04,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:04,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:49:04,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:04,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:04,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:04,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 09:49:04,940 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:04,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash 848228214, now seen corresponding path program 1 times [2021-12-07 09:49:04,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:04,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4492264] [2021-12-07 09:49:04,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:04,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:05,018 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 09:49:05,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1365697742] [2021-12-07 09:49:05,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:05,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:05,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:05,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:49:05,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 09:49:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:49:05,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 09:49:05,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:49:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 09:49:05,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 09:49:05,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:05,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4492264] [2021-12-07 09:49:05,667 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 09:49:05,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365697742] [2021-12-07 09:49:05,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365697742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:49:05,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:49:05,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:49:05,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172162111] [2021-12-07 09:49:05,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:49:05,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:49:05,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:05,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:49:05,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:49:05,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:05,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:05,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2021-12-07 09:49:05,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:05,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:05,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:05,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:05,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-07 09:49:05,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:05,950 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:05,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:05,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1175265878, now seen corresponding path program 1 times [2021-12-07 09:49:05,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:05,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809052470] [2021-12-07 09:49:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:05,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:06,014 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 09:49:06,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342647070] [2021-12-07 09:49:06,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:06,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:06,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:06,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:49:06,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 09:49:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:49:06,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 09:49:06,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:49:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:49:06,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:49:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:49:06,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:06,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809052470] [2021-12-07 09:49:06,931 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 09:49:06,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342647070] [2021-12-07 09:49:06,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342647070] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:49:06,943 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 09:49:06,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-07 09:49:06,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617371594] [2021-12-07 09:49:06,944 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 09:49:06,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 09:49:06,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:06,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 09:49:06,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 09:49:06,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:06,948 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:06,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.5) internal successors, (220), 8 states have internal predecessors, (220), 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) [2021-12-07 09:49:06,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:06,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:06,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:06,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:06,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:07,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-07 09:49:07,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:07,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:07,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:07,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1043294890, now seen corresponding path program 2 times [2021-12-07 09:49:07,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:07,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426165657] [2021-12-07 09:49:07,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:07,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:07,335 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 09:49:07,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358369710] [2021-12-07 09:49:07,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 09:49:07,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:07,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:07,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:49:07,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 09:49:07,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 09:49:07,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:49:07,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:49:07,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:49:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:49:08,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:49:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-07 09:49:08,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:08,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426165657] [2021-12-07 09:49:08,575 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 09:49:08,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358369710] [2021-12-07 09:49:08,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358369710] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:49:08,575 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 09:49:08,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-07 09:49:08,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659865841] [2021-12-07 09:49:08,576 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 09:49:08,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-07 09:49:08,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:08,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-07 09:49:08,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-07 09:49:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:08,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:08,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 23.0) internal successors, (368), 16 states have internal predecessors, (368), 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) [2021-12-07 09:49:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:08,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:49:08,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-07 09:49:09,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:09,053 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:09,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:09,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1956365482, now seen corresponding path program 3 times [2021-12-07 09:49:09,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:09,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459701870] [2021-12-07 09:49:09,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:09,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:09,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 09:49:09,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783309336] [2021-12-07 09:49:09,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 09:49:09,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:09,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:49:09,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 09:49:09,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-07 09:49:09,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:49:09,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 09:49:09,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:49:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-12-07 09:49:10,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:49:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-12-07 09:49:10,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:10,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459701870] [2021-12-07 09:49:10,933 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 09:49:10,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783309336] [2021-12-07 09:49:10,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783309336] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:49:10,934 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 09:49:10,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-07 09:49:10,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916430928] [2021-12-07 09:49:10,934 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 09:49:10,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 09:49:10,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:10,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 09:49:10,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-07 09:49:10,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:10,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:10,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.25) internal successors, (234), 8 states have internal predecessors, (234), 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) [2021-12-07 09:49:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:49:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:49:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:11,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-07 09:49:11,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:11,294 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:11,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:11,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1565579606, now seen corresponding path program 4 times [2021-12-07 09:49:11,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:11,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81024210] [2021-12-07 09:49:11,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:11,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:11,469 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 09:49:11,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296392209] [2021-12-07 09:49:11,470 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-07 09:49:11,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:11,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:11,473 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:49:11,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 09:49:12,353 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-07 09:49:12,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 09:49:12,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 3541 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 09:49:12,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 09:49:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2021-12-07 09:49:14,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 09:49:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2021-12-07 09:49:15,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:49:15,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81024210] [2021-12-07 09:49:15,988 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-07 09:49:15,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296392209] [2021-12-07 09:49:15,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296392209] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 09:49:15,988 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 09:49:15,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-07 09:49:15,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957800128] [2021-12-07 09:49:15,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 09:49:15,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-07 09:49:15,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:49:15,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-07 09:49:15,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-07 09:49:15,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:15,994 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:49:15,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 27.375) internal successors, (438), 16 states have internal predecessors, (438), 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) [2021-12-07 09:49:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:15,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:15,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:49:15,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:15,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:49:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:16,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:49:16,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:16,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:49:16,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 09:49:16,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-07 09:49:16,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-07 09:49:16,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:16,518 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 09:49:16,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:49:16,521 INFO L85 PathProgramCache]: Analyzing trace with hash -292317866, now seen corresponding path program 5 times [2021-12-07 09:49:16,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:49:16,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675192331] [2021-12-07 09:49:16,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:49:16,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:49:16,817 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-07 09:49:16,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600749277] [2021-12-07 09:49:16,818 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-07 09:49:16,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 09:49:16,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:49:16,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 09:49:16,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55aab221-a6ee-4730-a822-25ff132b1b99/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process