./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longer-2.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_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/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_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/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_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:18:57,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:18:57,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:18:57,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:18:57,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:18:57,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:18:57,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:18:57,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:18:57,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:18:57,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:18:57,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:18:57,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:18:57,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:18:57,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:18:57,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:18:57,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:18:57,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:18:57,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:18:58,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:18:58,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:18:58,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:18:58,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:18:58,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:18:58,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:18:58,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:18:58,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:18:58,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:18:58,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:18:58,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:18:58,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:18:58,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:18:58,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:18:58,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:18:58,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:18:58,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:18:58,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:18:58,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:18:58,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:18:58,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:18:58,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:18:58,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:18:58,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:18:58,106 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:18:58,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:18:58,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:18:58,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:18:58,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:18:58,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:18:58,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:18:58,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:18:58,120 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:18:58,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:18:58,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:18:58,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:18:58,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:18:58,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:18:58,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:18:58,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:18:58,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:18:58,124 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:18:58,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:18:58,124 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:18:58,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:18:58,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:18:58,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:18:58,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:18:58,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:18:58,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:18:58,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:18:58,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:18:58,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:18:58,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:18:58,130 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:18:58,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:18:58,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:18:58,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:18:58,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:18:58,131 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:18:58,132 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:18:58,132 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_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2021-11-23 14:18:58,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:18:58,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:18:58,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:18:58,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:18:58,564 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:18:58,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread/stack_longer-2.i [2021-11-23 14:18:58,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/data/47baeef3a/e8fe7c135d4a4935b8d83d90f56b1ded/FLAG1880487ef [2021-11-23 14:18:59,402 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:18:59,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/sv-benchmarks/c/pthread/stack_longer-2.i [2021-11-23 14:18:59,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/data/47baeef3a/e8fe7c135d4a4935b8d83d90f56b1ded/FLAG1880487ef [2021-11-23 14:18:59,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/data/47baeef3a/e8fe7c135d4a4935b8d83d90f56b1ded [2021-11-23 14:18:59,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:18:59,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:18:59,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:18:59,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:18:59,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:18:59,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:59" (1/1) ... [2021-11-23 14:18:59,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7640b4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:59, skipping insertion in model container [2021-11-23 14:18:59,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:59" (1/1) ... [2021-11-23 14:18:59,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:18:59,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:19:00,538 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_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2021-11-23 14:19:00,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:00,610 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:19:00,685 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_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/sv-benchmarks/c/pthread/stack_longer-2.i[41529,41542] [2021-11-23 14:19:00,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:00,828 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:19:00,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00 WrapperNode [2021-11-23 14:19:00,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:00,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:00,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:19:00,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:19:00,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,928 INFO L137 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 150 [2021-11-23 14:19:00,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:00,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:19:00,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:19:00,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:19:00,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:19:00,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:19:00,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:19:00,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:19:00,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (1/1) ... [2021-11-23 14:19:00,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:01,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:01,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:01,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:19:01,086 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 14:19:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 14:19:01,087 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 14:19:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 14:19:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:19:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:19:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:19:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:19:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 14:19:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:19:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:19:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:19:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:19:01,091 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 14:19:01,242 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:19:01,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:19:01,590 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:19:01,602 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:19:01,603 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:19:01,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:01 BoogieIcfgContainer [2021-11-23 14:19:01,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:19:01,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:19:01,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:19:01,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:19:01,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:18:59" (1/3) ... [2021-11-23 14:19:01,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760dba06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:01, skipping insertion in model container [2021-11-23 14:19:01,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:00" (2/3) ... [2021-11-23 14:19:01,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760dba06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:01, skipping insertion in model container [2021-11-23 14:19:01,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:01" (3/3) ... [2021-11-23 14:19:01,617 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2021-11-23 14:19:01,623 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:19:01,624 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:19:01,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 14:19:01,624 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:19:01,718 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,725 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,726 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,726 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,727 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,728 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,728 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,728 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,729 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,730 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,731 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,734 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,735 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,736 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,737 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,738 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,739 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,740 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,741 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,742 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,743 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,746 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,747 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,748 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,749 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,750 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,751 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,752 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,752 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,753 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,754 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,754 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,755 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,756 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,756 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,756 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,757 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,758 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,759 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,760 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,761 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,762 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,763 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,764 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,765 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,766 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,767 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,767 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,768 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,769 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,769 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,769 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,770 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,771 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,772 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,772 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,773 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,773 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,773 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,774 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,775 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,776 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,777 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,777 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,778 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,779 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,780 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,781 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,782 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,782 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,782 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,783 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,783 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,783 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,783 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,789 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,790 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,791 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,792 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,793 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,794 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,796 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,797 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,800 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,800 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,801 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,802 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,803 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,803 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,803 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,804 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,804 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,804 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,804 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,805 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,806 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,807 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,807 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,808 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,809 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,810 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,812 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,813 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,814 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,814 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,815 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,816 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,820 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,821 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,822 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,823 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,824 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,832 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,833 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,834 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,835 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,843 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,844 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,844 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,844 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,844 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,845 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,846 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,847 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,850 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,850 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,850 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,854 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,857 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,857 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,857 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,858 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,859 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,861 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,861 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,862 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,863 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,863 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,863 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,863 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,864 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,864 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,864 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,867 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,867 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,868 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,868 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,868 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,868 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,869 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,869 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,869 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,869 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,870 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,870 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,870 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,870 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,870 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,871 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,871 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,871 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:01,879 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-23 14:19:01,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:19:01,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:01,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:01,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:19:02,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2021-11-23 14:19:02,036 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 14:19:02,036 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:19:02,361 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:02,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:02,368 INFO L85 PathProgramCache]: Analyzing trace with hash -54909865, now seen corresponding path program 1 times [2021-11-23 14:19:02,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:02,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119567927] [2021-11-23 14:19:02,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:02,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:02,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:02,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119567927] [2021-11-23 14:19:02,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119567927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:02,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:02,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:19:02,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192932544] [2021-11-23 14:19:02,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:02,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:19:02,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:02,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:19:02,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:19:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:02,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:02,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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 14:19:02,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:02,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:19:02,765 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:02,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:02,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1639952899, now seen corresponding path program 1 times [2021-11-23 14:19:02,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:02,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059677091] [2021-11-23 14:19:02,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:02,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:03,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:03,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059677091] [2021-11-23 14:19:03,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059677091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:03,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:03,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:03,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000114254] [2021-11-23 14:19:03,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:03,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:03,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:03,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:03,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,061 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:03,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 14:19:03,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:03,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:19:03,147 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:03,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:03,148 INFO L85 PathProgramCache]: Analyzing trace with hash 422301768, now seen corresponding path program 1 times [2021-11-23 14:19:03,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:03,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974825339] [2021-11-23 14:19:03,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:03,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:03,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:03,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974825339] [2021-11-23 14:19:03,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974825339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:03,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:03,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:19:03,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314685551] [2021-11-23 14:19:03,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:03,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 14:19:03,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:03,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 14:19:03,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 14:19:03,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:03,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 14:19:03,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:03,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:03,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:19:03,444 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:03,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1344169316, now seen corresponding path program 1 times [2021-11-23 14:19:03,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:03,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989790250] [2021-11-23 14:19:03,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:03,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:03,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:03,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989790250] [2021-11-23 14:19:03,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989790250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:03,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:03,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:03,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333648464] [2021-11-23 14:19:03,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:03,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:03,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:03,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:03,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,693 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:03,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:03,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:03,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:03,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 14:19:03,871 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:03,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:03,872 INFO L85 PathProgramCache]: Analyzing trace with hash -452830361, now seen corresponding path program 1 times [2021-11-23 14:19:03,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:03,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071185909] [2021-11-23 14:19:03,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:03,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:04,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:04,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071185909] [2021-11-23 14:19:04,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071185909] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:04,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:04,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:04,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204905171] [2021-11-23 14:19:04,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:04,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:04,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:04,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:04,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:04,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:04,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 14:19:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:04,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:19:04,174 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:04,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:04,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1452781697, now seen corresponding path program 1 times [2021-11-23 14:19:04,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:04,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684759822] [2021-11-23 14:19:04,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:04,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:04,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:04,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684759822] [2021-11-23 14:19:04,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684759822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:04,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:04,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:04,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087438761] [2021-11-23 14:19:04,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:04,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:04,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:04,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:04,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:04,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,383 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:04,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 14:19:04,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:04,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:04,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 14:19:04,464 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:04,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:04,466 INFO L85 PathProgramCache]: Analyzing trace with hash 876858301, now seen corresponding path program 1 times [2021-11-23 14:19:04,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:04,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415890440] [2021-11-23 14:19:04,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:04,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:04,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:04,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415890440] [2021-11-23 14:19:04,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415890440] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:04,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863937587] [2021-11-23 14:19:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:04,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:04,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:04,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:04,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:19:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:04,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 14:19:04,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:19:05,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:19:05,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863937587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:05,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:19:05,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2021-11-23 14:19:05,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857090717] [2021-11-23 14:19:05,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:05,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:19:05,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:05,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:19:05,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:19:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:05,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:05,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:05,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:05,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:05,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:05,926 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:05,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:05,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2133192065, now seen corresponding path program 1 times [2021-11-23 14:19:05,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:05,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873465718] [2021-11-23 14:19:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:05,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:06,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:06,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873465718] [2021-11-23 14:19:06,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873465718] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:06,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62663773] [2021-11-23 14:19:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:06,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:06,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:06,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:19:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:06,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:19:06,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:06,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 128 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:07,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62663773] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:07,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:07,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:19:07,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875246222] [2021-11-23 14:19:07,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:07,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:19:07,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:19:07,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:19:07,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:07,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:07,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 42.4) internal successors, (424), 10 states have internal predecessors, (424), 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 14:19:07,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:07,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:07,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:07,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:07,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:07,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:07,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:07,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:07,710 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:07,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:07,711 INFO L85 PathProgramCache]: Analyzing trace with hash -2043027265, now seen corresponding path program 2 times [2021-11-23 14:19:07,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:07,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826918551] [2021-11-23 14:19:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:07,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 256 proven. 360 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:08,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:08,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826918551] [2021-11-23 14:19:08,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826918551] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:08,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509462680] [2021-11-23 14:19:08,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:19:08,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:08,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:08,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:08,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:19:08,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:19:08,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:08,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:19:08,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 256 proven. 360 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:09,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:10,265 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 256 proven. 360 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:10,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509462680] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:10,265 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:10,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-23 14:19:10,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148476353] [2021-11-23 14:19:10,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:10,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 14:19:10,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:10,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 14:19:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-23 14:19:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:10,272 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:10,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 40.666666666666664) internal successors, (732), 18 states have internal predecessors, (732), 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 14:19:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:10,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:10,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:10,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:10,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:10,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:10,863 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:10,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:10,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1483895489, now seen corresponding path program 3 times [2021-11-23 14:19:10,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:10,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296318036] [2021-11-23 14:19:10,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:10,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 512 proven. 1918 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:19:11,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:11,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296318036] [2021-11-23 14:19:11,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296318036] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:11,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730862074] [2021-11-23 14:19:11,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:19:11,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:11,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:11,409 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:11,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 14:19:12,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-11-23 14:19:12,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:12,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 14:19:12,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 36 proven. 498 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2021-11-23 14:19:14,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 36 proven. 498 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2021-11-23 14:19:15,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730862074] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:15,936 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:15,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 29 [2021-11-23 14:19:15,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94504429] [2021-11-23 14:19:15,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:15,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-23 14:19:15,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:15,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-23 14:19:15,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=686, Unknown=0, NotChecked=0, Total=812 [2021-11-23 14:19:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:15,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:15,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 35.86206896551724) internal successors, (1040), 29 states have internal predecessors, (1040), 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 14:19:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:15,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:15,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:17,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-11-23 14:19:17,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:17,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 14:19:17,958 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:17,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:17,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1566765256, now seen corresponding path program 4 times [2021-11-23 14:19:17,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:17,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151690573] [2021-11-23 14:19:17,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:17,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4550 backedges. 1710 proven. 2500 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-23 14:19:18,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:18,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151690573] [2021-11-23 14:19:18,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151690573] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:18,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134622531] [2021-11-23 14:19:18,769 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 14:19:18,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:18,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:18,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 14:19:22,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 14:19:22,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:22,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 1517 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 14:19:22,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4550 backedges. 1710 proven. 2500 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-23 14:19:24,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4550 backedges. 1710 proven. 2500 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-23 14:19:26,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134622531] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:26,486 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:26,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 38 [2021-11-23 14:19:26,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198998776] [2021-11-23 14:19:26,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:26,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-23 14:19:26,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:26,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-23 14:19:26,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 14:19:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:26,495 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:26,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 39.526315789473685) internal successors, (1502), 38 states have internal predecessors, (1502), 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 14:19:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-11-23 14:19:26,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:27,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:19:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:19:27,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:27,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:27,798 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash -120387394, now seen corresponding path program 5 times [2021-11-23 14:19:27,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:27,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574274588] [2021-11-23 14:19:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:27,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 14963 backedges. 3420 proven. 11203 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-23 14:19:29,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:29,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574274588] [2021-11-23 14:19:29,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574274588] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:29,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271079299] [2021-11-23 14:19:29,812 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 14:19:29,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:29,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:29,815 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:29,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 14:19:46,138 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-11-23 14:19:46,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:46,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 14:19:46,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 14963 backedges. 3420 proven. 11203 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-23 14:19:49,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14963 backedges. 3420 proven. 11203 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-23 14:19:53,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271079299] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:53,531 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:53,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 74 [2021-11-23 14:19:53,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057343419] [2021-11-23 14:19:53,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:53,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-11-23 14:19:53,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:53,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-11-23 14:19:53,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=3996, Unknown=0, NotChecked=0, Total=5402 [2021-11-23 14:19:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:53,542 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:53,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 39.027027027027025) internal successors, (2888), 74 states have internal predecessors, (2888), 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 14:19:53,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:53,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:53,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:53,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:19:53,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:19:53,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:19:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:19:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:19:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:19:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:19:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:19:56,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:57,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:57,101 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:57,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:57,102 INFO L85 PathProgramCache]: Analyzing trace with hash -91055874, now seen corresponding path program 6 times [2021-11-23 14:19:57,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:57,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789420561] [2021-11-23 14:19:57,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:57,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 54500 backedges. 6840 proven. 47320 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-11-23 14:20:02,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:02,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789420561] [2021-11-23 14:20:02,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789420561] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:02,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664114192] [2021-11-23 14:20:02,178 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-23 14:20:02,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:02,188 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:02,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 14:22:20,695 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2021-11-23 14:22:20,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:22:20,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 4865 conjuncts, 168 conjunts are in the unsatisfiable core [2021-11-23 14:22:20,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 54500 backedges. 230 proven. 7124 refuted. 0 times theorem prover too weak. 47146 trivial. 0 not checked. [2021-11-23 14:22:27,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:32,968 INFO L134 CoverageAnalysis]: Checked inductivity of 54500 backedges. 160 proven. 7020 refuted. 0 times theorem prover too weak. 47320 trivial. 0 not checked. [2021-11-23 14:22:32,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664114192] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:32,969 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:32,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 17, 14] total 100 [2021-11-23 14:22:32,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295169110] [2021-11-23 14:22:32,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:32,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2021-11-23 14:22:32,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:32,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2021-11-23 14:22:32,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1570, Invalid=8330, Unknown=0, NotChecked=0, Total=9900 [2021-11-23 14:22:32,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:32,983 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:32,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 34.56) internal successors, (3456), 100 states have internal predecessors, (3456), 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 14:22:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:22:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:32,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:22:32,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:22:32,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:22:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:22:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:22:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 430 states. [2021-11-23 14:22:51,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-23 14:22:52,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-23 14:22:52,037 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:52,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:52,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1621731446, now seen corresponding path program 7 times [2021-11-23 14:22:52,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:52,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484068078] [2021-11-23 14:22:52,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:52,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 68522 backedges. 16354 proven. 50058 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-23 14:22:57,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:57,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484068078] [2021-11-23 14:22:57,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484068078] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:57,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243417638] [2021-11-23 14:22:57,590 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-23 14:22:57,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:57,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:57,592 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:57,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 14:22:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:58,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 5397 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-23 14:22:58,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:23:03,551 INFO L134 CoverageAnalysis]: Checked inductivity of 68522 backedges. 16354 proven. 50058 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-23 14:23:03,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:23:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 68522 backedges. 16354 proven. 50058 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-23 14:23:11,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243417638] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:23:11,968 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:23:11,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 150 [2021-11-23 14:23:11,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941924241] [2021-11-23 14:23:11,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:23:11,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2021-11-23 14:23:11,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:23:11,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2021-11-23 14:23:11,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5700, Invalid=16650, Unknown=0, NotChecked=0, Total=22350 [2021-11-23 14:23:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:11,983 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:23:11,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 38.76) internal successors, (5814), 150 states have internal predecessors, (5814), 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 14:23:11,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:11,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:11,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:23:11,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:23:11,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:23:11,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 430 states. [2021-11-23 14:23:11,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:22,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:23:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2021-11-23 14:23:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2021-11-23 14:23:22,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-23 14:23:22,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:23:22,802 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:23:22,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:23:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1671195516, now seen corresponding path program 8 times [2021-11-23 14:23:22,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:23:22,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764945281] [2021-11-23 14:23:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:22,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:23:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 240313 backedges. 32708 proven. 205495 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-23 14:23:37,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:23:37,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764945281] [2021-11-23 14:23:37,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764945281] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:23:37,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953368404] [2021-11-23 14:23:37,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:23:37,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:23:37,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:23:37,301 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:23:37,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-23 14:23:38,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:23:38,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:23:38,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 9985 conjuncts, 148 conjunts are in the unsatisfiable core [2021-11-23 14:23:38,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:23:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 240313 backedges. 32708 proven. 205495 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-23 14:23:47,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:24:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 240313 backedges. 32708 proven. 205495 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2021-11-23 14:24:10,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953368404] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:24:10,788 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:24:10,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [149, 149, 149] total 298 [2021-11-23 14:24:10,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47593973] [2021-11-23 14:24:10,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:24:10,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 298 states [2021-11-23 14:24:10,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:24:10,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 298 interpolants. [2021-11-23 14:24:10,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22350, Invalid=66156, Unknown=0, NotChecked=0, Total=88506 [2021-11-23 14:24:10,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:10,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:24:10,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 298 states, 298 states have (on average 38.630872483221474) internal successors, (11512), 298 states have internal predecessors, (11512), 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 14:24:10,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:10,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2021-11-23 14:24:10,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:25:05,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-11-23 14:25:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-23 14:25:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:25:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2021-11-23 14:25:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2021-11-23 14:25:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 441 states. [2021-11-23 14:25:05,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:25:06,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e4ee9c5-9a0e-4e68-ad52-bf416a6e5a0b/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-23 14:25:06,094 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:25:06,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:25:06,096 INFO L85 PathProgramCache]: Analyzing trace with hash 842484412, now seen corresponding path program 9 times [2021-11-23 14:25:06,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:25:06,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465212512] [2021-11-23 14:25:06,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:25:06,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:25:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat