./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw --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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:20:38,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:20:38,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:20:38,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:20:38,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:20:38,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:20:38,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:20:38,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:20:38,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:20:38,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:20:38,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:20:38,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:20:38,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:20:38,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:20:38,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:20:38,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:20:38,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:20:38,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:20:38,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:20:38,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:20:38,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:20:38,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:20:38,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:20:38,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:20:38,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:20:38,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:20:38,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:20:38,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:20:38,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:20:38,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:20:38,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:20:38,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:20:38,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:20:38,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:20:38,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:20:38,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:20:38,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:20:38,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:20:38,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:20:38,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:20:38,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:20:38,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:20:38,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:20:38,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:20:38,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:20:38,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:20:38,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:20:38,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:20:38,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:20:38,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:20:38,647 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:20:38,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:20:38,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:20:38,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:20:38,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:20:38,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:20:38,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:20:38,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:20:38,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:20:38,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:20:38,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:20:38,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:20:38,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:20:38,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:20:38,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:20:38,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:20:38,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:20:38,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:38,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:20:38,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:20:38,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:20:38,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:20:38,654 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:20:38,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:20:38,655 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:20:38,655 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:20:38,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:20:38,656 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:20:38,656 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:20:38,656 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_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2021-11-23 14:20:38,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:20:39,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:20:39,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:20:39,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:20:39,028 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:20:39,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2021-11-23 14:20:39,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/data/5d1221d61/8f850d7413aa47f7ace9809873053832/FLAG22054e31d [2021-11-23 14:20:39,664 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:20:39,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2021-11-23 14:20:39,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/data/5d1221d61/8f850d7413aa47f7ace9809873053832/FLAG22054e31d [2021-11-23 14:20:39,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/data/5d1221d61/8f850d7413aa47f7ace9809873053832 [2021-11-23 14:20:39,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:20:39,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:20:39,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:39,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:20:39,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:20:39,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:39" (1/1) ... [2021-11-23 14:20:39,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576296ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:39, skipping insertion in model container [2021-11-23 14:20:39,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:39" (1/1) ... [2021-11-23 14:20:39,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:20:40,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:20:40,651 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_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2021-11-23 14:20:40,668 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,669 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,669 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,670 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:40,725 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:20:40,763 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_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2021-11-23 14:20:40,767 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,767 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,768 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,768 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-23 14:20:40,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:40,889 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:20:40,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40 WrapperNode [2021-11-23 14:20:40,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:40,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:40,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:20:40,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:20:40,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:40,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,017 INFO L137 Inliner]: procedures = 279, calls = 51, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 223 [2021-11-23 14:20:41,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:41,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:20:41,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:20:41,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:20:41,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:20:41,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:20:41,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:20:41,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:20:41,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (1/1) ... [2021-11-23 14:20:41,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:41,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:41,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:41,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:20:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:20:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 14:20:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:20:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:20:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:20:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 14:20:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 14:20:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:20:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 14:20:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 14:20:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 14:20:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:20:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:20:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:20:41,179 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:20:41,317 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:20:41,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:20:41,705 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:20:41,716 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:20:41,720 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-23 14:20:41,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:41 BoogieIcfgContainer [2021-11-23 14:20:41,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:20:41,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:20:41,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:20:41,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:20:41,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:39" (1/3) ... [2021-11-23 14:20:41,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b24927f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:41, skipping insertion in model container [2021-11-23 14:20:41,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:40" (2/3) ... [2021-11-23 14:20:41,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b24927f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:41, skipping insertion in model container [2021-11-23 14:20:41,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:41" (3/3) ... [2021-11-23 14:20:41,734 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2021-11-23 14:20:41,741 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:20:41,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:20:41,741 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 14:20:41,742 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:20:41,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,872 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,873 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,880 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,881 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,882 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,883 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,884 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,885 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,892 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,893 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:41,899 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-23 14:20:41,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:20:41,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:41,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:41,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:20:42,022 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-23 14:20:42,041 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:20:42,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:20:42,311 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:42,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:42,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1041516827, now seen corresponding path program 1 times [2021-11-23 14:20:42,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:42,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310168151] [2021-11-23 14:20:42,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:42,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:42,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:42,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310168151] [2021-11-23 14:20:42,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310168151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:42,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:42,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:20:42,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640634813] [2021-11-23 14:20:42,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:42,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:20:42,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:42,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:20:42,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:20:42,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:42,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:42,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.0) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:42,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:20:42,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:42,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:42,695 INFO L85 PathProgramCache]: Analyzing trace with hash 609401242, now seen corresponding path program 1 times [2021-11-23 14:20:42,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:42,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576426455] [2021-11-23 14:20:42,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:42,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:42,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:42,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576426455] [2021-11-23 14:20:42,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576426455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:42,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:42,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:20:42,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826544576] [2021-11-23 14:20:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:42,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:20:42,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:20:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:20:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:42,835 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:42,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:42,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:42,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:42,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:42,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:42,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:20:42,961 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:42,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1924798816, now seen corresponding path program 1 times [2021-11-23 14:20:42,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:42,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424057119] [2021-11-23 14:20:42,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:42,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:43,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:43,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424057119] [2021-11-23 14:20:43,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424057119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:43,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:43,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:20:43,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617827795] [2021-11-23 14:20:43,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:43,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:20:43,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:43,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:20:43,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:20:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:43,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:43,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:43,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:20:43,225 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:43,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:43,227 INFO L85 PathProgramCache]: Analyzing trace with hash -682343254, now seen corresponding path program 1 times [2021-11-23 14:20:43,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:43,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082861339] [2021-11-23 14:20:43,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:43,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:43,280 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 14:20:43,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374426026] [2021-11-23 14:20:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:43,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:43,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:43,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:20:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:43,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:20:43,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 14:20:43,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:20:43,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:43,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082861339] [2021-11-23 14:20:43,878 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 14:20:43,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374426026] [2021-11-23 14:20:43,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374426026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:43,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:43,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:20:43,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975848677] [2021-11-23 14:20:43,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:43,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:20:43,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:43,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:20:43,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:20:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:43,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:43,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:43,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:43,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:44,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:44,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:44,192 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:44,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash -981728828, now seen corresponding path program 1 times [2021-11-23 14:20:44,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:44,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928966486] [2021-11-23 14:20:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:44,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:44,210 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 14:20:44,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522664864] [2021-11-23 14:20:44,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:44,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:44,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:44,212 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:44,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:20:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:44,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:20:44,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:44,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:44,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:44,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928966486] [2021-11-23 14:20:44,984 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 14:20:44,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522664864] [2021-11-23 14:20:44,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522664864] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:44,990 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 14:20:44,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-23 14:20:44,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680548450] [2021-11-23 14:20:44,991 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:44,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 14:20:44,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:44,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 14:20:44,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:20:44,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:44,993 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:44,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.875) internal successors, (199), 8 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:44,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:44,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:44,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:44,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:44,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:45,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:45,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:45,317 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:45,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:45,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1002645508, now seen corresponding path program 2 times [2021-11-23 14:20:45,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:45,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802319610] [2021-11-23 14:20:45,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:45,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:45,338 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 14:20:45,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551441802] [2021-11-23 14:20:45,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:20:45,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:45,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:45,341 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:45,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:20:45,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:20:45,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:45,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:20:45,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:45,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 14:20:46,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:46,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802319610] [2021-11-23 14:20:46,504 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 14:20:46,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551441802] [2021-11-23 14:20:46,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551441802] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:46,505 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 14:20:46,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-23 14:20:46,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813074507] [2021-11-23 14:20:46,505 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:46,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-23 14:20:46,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:46,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-23 14:20:46,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-23 14:20:46,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:46,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 21.6875) internal successors, (347), 16 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:46,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:46,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:46,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:46,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:46,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:46,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:46,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 14:20:46,949 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:46,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:46,949 INFO L85 PathProgramCache]: Analyzing trace with hash -872479612, now seen corresponding path program 3 times [2021-11-23 14:20:46,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:46,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277774594] [2021-11-23 14:20:46,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:46,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:46,969 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 14:20:46,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899859978] [2021-11-23 14:20:46,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:20:46,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:46,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:46,971 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:46,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 14:20:47,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 14:20:47,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:47,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:20:47,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-11-23 14:20:47,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-11-23 14:20:48,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:48,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277774594] [2021-11-23 14:20:48,795 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 14:20:48,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899859978] [2021-11-23 14:20:48,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899859978] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:48,803 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 14:20:48,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-23 14:20:48,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893869613] [2021-11-23 14:20:48,804 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:48,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 14:20:48,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:48,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 14:20:48,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:20:48,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:48,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 8 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:48,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:48,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:48,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:48,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:48,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:49,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:49,157 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:49,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:49,157 INFO L85 PathProgramCache]: Analyzing trace with hash -791105916, now seen corresponding path program 4 times [2021-11-23 14:20:49,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:49,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063728395] [2021-11-23 14:20:49,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:49,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:49,193 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 14:20:49,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455316967] [2021-11-23 14:20:49,194 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 14:20:49,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:49,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:49,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:49,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 14:20:49,632 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 14:20:49,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:49,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:20:49,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2021-11-23 14:20:51,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 5526 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2021-11-23 14:20:53,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:53,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063728395] [2021-11-23 14:20:53,375 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 14:20:53,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455316967] [2021-11-23 14:20:53,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455316967] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:53,376 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-23 14:20:53,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-23 14:20:53,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865744136] [2021-11-23 14:20:53,376 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:53,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-23 14:20:53,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:53,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-23 14:20:53,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-23 14:20:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:53,380 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:53,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 26.0625) internal successors, (417), 16 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:53,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:53,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:53,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:53,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:53,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:53,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:53,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:53,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:53,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:53,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:53,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:53,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:53,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:53,965 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:53,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:53,966 INFO L85 PathProgramCache]: Analyzing trace with hash 149717636, now seen corresponding path program 5 times [2021-11-23 14:20:53,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:53,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409325530] [2021-11-23 14:20:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:53,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:54,041 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 14:20:54,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [319038626] [2021-11-23 14:20:54,042 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 14:20:54,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:54,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:54,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b3bdd45-9bd7-49db-b7f4-7179fd4c631f/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process