./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 47ea0209
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3 --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-47ea020
[2021-11-07 04:56:32,477 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-07 04:56:32,479 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-07 04:56:32,522 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-07 04:56:32,523 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-07 04:56:32,526 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-07 04:56:32,528 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-07 04:56:32,532 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-07 04:56:32,535 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-07 04:56:32,540 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-07 04:56:32,541 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-07 04:56:32,543 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-07 04:56:32,544 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-07 04:56:32,546 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-07 04:56:32,549 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-07 04:56:32,554 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-07 04:56:32,556 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-07 04:56:32,559 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-07 04:56:32,562 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-07 04:56:32,573 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-07 04:56:32,575 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-07 04:56:32,576 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-07 04:56:32,580 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-07 04:56:32,581 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-07 04:56:32,590 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-07 04:56:32,590 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-07 04:56:32,591 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-07 04:56:32,593 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-07 04:56:32,594 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-07 04:56:32,595 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-07 04:56:32,596 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-07 04:56:32,597 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-07 04:56:32,599 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-07 04:56:32,600 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-07 04:56:32,602 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-07 04:56:32,602 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-07 04:56:32,603 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-07 04:56:32,603 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-07 04:56:32,603 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-07 04:56:32,604 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-07 04:56:32,605 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-07 04:56:32,606 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2021-11-07 04:56:32,647 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-07 04:56:32,647 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-07 04:56:32,648 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-07 04:56:32,648 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-07 04:56:32,655 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-07 04:56:32,656 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-07 04:56:32,656 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-07 04:56:32,656 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-07 04:56:32,656 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-07 04:56:32,656 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-07 04:56:32,657 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-07 04:56:32,658 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-07 04:56:32,658 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-07 04:56:32,658 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-07 04:56:32,658 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-07 04:56:32,658 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-07 04:56:32,659 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-07 04:56:32,659 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-07 04:56:32,659 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-07 04:56:32,659 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-07 04:56:32,659 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-07 04:56:32,660 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-11-07 04:56:32,660 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-07 04:56:32,660 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-07 04:56:32,660 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-07 04:56:32,661 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-07 04:56:32,661 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-07 04:56:32,661 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-07 04:56:32,661 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-07 04:56:32,663 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-07 04:56:32,663 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-07 04:56:32,663 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-07 04:56:32,663 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-07 04:56:32,664 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-07 04:56:32,664 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_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/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_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3
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 -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90
[2021-11-07 04:56:32,938 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-07 04:56:32,974 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-07 04:56:32,976 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-07 04:56:32,978 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-07 04:56:32,978 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-07 04:56:32,980 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/../../sv-benchmarks/c/pthread/stack_longest-1.i
[2021-11-07 04:56:33,075 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/data/c78df128f/00c60388a01649048de6fcf7b48aabe6/FLAG9ade61335
[2021-11-07 04:56:33,653 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-07 04:56:33,654 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/sv-benchmarks/c/pthread/stack_longest-1.i
[2021-11-07 04:56:33,669 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/data/c78df128f/00c60388a01649048de6fcf7b48aabe6/FLAG9ade61335
[2021-11-07 04:56:33,892 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/data/c78df128f/00c60388a01649048de6fcf7b48aabe6
[2021-11-07 04:56:33,894 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-07 04:56:33,895 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-07 04:56:33,904 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-07 04:56:33,904 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-07 04:56:33,907 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-07 04:56:33,907 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:33" (1/1) ...
[2021-11-07 04:56:33,908 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3967bf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:33, skipping insertion in model container
[2021-11-07 04:56:33,909 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:56:33" (1/1) ...
[2021-11-07 04:56:33,915 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-07 04:56:33,969 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-07 04:56:34,433 WARN  L228   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_649aab8a-7b3f-4897-beaf-c8e23f14ee05/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543]
[2021-11-07 04:56:34,479 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-07 04:56:34,490 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-07 04:56:34,545 WARN  L228   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_649aab8a-7b3f-4897-beaf-c8e23f14ee05/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543]
[2021-11-07 04:56:34,555 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-07 04:56:34,645 INFO  L208         MainTranslator]: Completed translation
[2021-11-07 04:56:34,646 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34 WrapperNode
[2021-11-07 04:56:34,646 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-07 04:56:34,647 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-07 04:56:34,647 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-07 04:56:34,648 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-07 04:56:34,655 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,699 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,738 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-07 04:56:34,739 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-07 04:56:34,740 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-07 04:56:34,740 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-07 04:56:34,749 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,749 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,766 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,767 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,775 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,794 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,796 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,799 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-07 04:56:34,808 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-07 04:56:34,808 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-07 04:56:34,808 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-07 04:56:34,809 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (1/1) ...
[2021-11-07 04:56:34,819 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-07 04:56:34,830 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:34,842 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-07 04:56:34,870 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-07 04:56:34,889 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2021-11-07 04:56:34,889 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2021-11-07 04:56:34,889 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2021-11-07 04:56:34,890 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2021-11-07 04:56:34,890 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-07 04:56:34,890 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-07 04:56:34,890 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-07 04:56:34,890 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-07 04:56:34,890 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2021-11-07 04:56:34,890 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-07 04:56:34,891 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-07 04:56:34,891 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-07 04:56:34,892 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-07 04:56:35,384 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-07 04:56:35,423 INFO  L299             CfgBuilder]: Removed 26 assume(true) statements.
[2021-11-07 04:56:35,426 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:35 BoogieIcfgContainer
[2021-11-07 04:56:35,426 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-07 04:56:35,428 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-07 04:56:35,428 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-07 04:56:35,438 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-07 04:56:35,438 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:56:33" (1/3) ...
[2021-11-07 04:56:35,439 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731df9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:35, skipping insertion in model container
[2021-11-07 04:56:35,440 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:56:34" (2/3) ...
[2021-11-07 04:56:35,440 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731df9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:56:35, skipping insertion in model container
[2021-11-07 04:56:35,440 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:56:35" (3/3) ...
[2021-11-07 04:56:35,442 INFO  L111   eAbstractionObserver]: Analyzing ICFG stack_longest-1.i
[2021-11-07 04:56:35,450 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-07 04:56:35,451 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-07 04:56:35,451 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2021-11-07 04:56:35,451 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-07 04:56:35,521 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,522 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,522 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,523 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,523 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,523 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,524 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,524 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,524 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,524 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,524 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,525 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,525 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,525 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,525 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,526 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,527 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,527 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,527 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,527 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,528 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,528 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,528 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,529 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,529 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,530 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,530 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,530 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,531 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,531 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,532 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,532 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,532 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,533 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,533 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,533 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,534 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,534 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,534 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,534 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,534 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,535 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,535 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,535 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,535 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,536 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,536 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,536 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,537 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,537 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,537 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,537 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,538 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,539 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,539 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,539 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,540 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,540 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,540 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,540 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,540 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,541 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,541 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,541 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,541 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,541 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,542 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,542 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,543 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,543 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,544 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,544 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,544 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,544 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,545 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,545 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,545 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,545 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,546 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,546 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,546 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,546 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,547 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,547 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,547 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,548 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,549 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,552 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,552 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,553 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,554 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,557 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,557 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,557 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,557 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,559 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,564 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,565 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,565 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,565 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,565 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,565 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,566 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,566 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,566 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,566 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,566 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,567 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,567 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,567 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,567 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,567 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,568 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,568 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,568 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,568 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,568 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,569 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,569 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,569 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,569 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,570 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,570 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,570 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,570 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,570 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,570 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,571 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,572 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,572 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,572 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,572 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,572 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,573 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,573 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,574 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,575 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,575 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,575 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,576 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,576 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,576 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,576 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,576 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,577 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,577 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,577 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,577 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,577 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,578 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,578 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,578 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,578 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,578 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,579 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,579 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,580 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,580 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,580 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,580 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,582 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,582 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,583 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,583 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,583 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,583 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,583 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,584 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,584 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,584 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,584 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,584 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,584 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,585 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,585 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,585 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,585 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,585 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,585 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,586 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,586 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,586 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,586 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,586 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,587 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,587 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,587 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,587 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,588 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,588 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,588 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,588 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,588 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,589 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,589 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,589 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,589 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,589 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,590 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,590 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,590 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,590 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,590 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,590 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,591 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,591 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,591 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,591 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,591 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,592 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,592 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,592 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,600 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,601 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,606 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,606 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,606 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,606 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,606 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,606 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,607 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,607 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,607 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,607 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,607 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,607 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,607 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,608 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,608 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,608 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,608 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,608 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,608 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,608 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,609 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,610 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,610 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,610 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,610 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,610 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,610 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,610 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,611 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,611 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,611 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,611 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,611 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,611 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,611 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,612 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,613 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,613 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,616 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,616 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,616 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,616 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,616 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,616 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,617 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,617 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,617 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,617 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,617 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,617 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,617 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,618 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,618 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,618 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,618 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,618 WARN  L322   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,618 WARN  L322   ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,640 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,640 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,640 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,640 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,640 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,641 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,641 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,641 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,641 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,641 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,641 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,641 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,642 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,642 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,642 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,642 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,642 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,642 WARN  L322   ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,642 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,643 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,643 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,643 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,643 WARN  L322   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-07 04:56:35,659 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-11-07 04:56:35,710 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-07 04:56:35,711 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:35,712 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-07 04:56:35,716 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-07 04:56:35,747 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ========
[2021-11-07 04:56:35,753 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
[2021-11-07 04:56:35,754 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-07 04:56:35,923 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:35,928 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:35,929 INFO  L85        PathProgramCache]: Analyzing trace with hash -502782061, now seen corresponding path program 1 times
[2021-11-07 04:56:35,939 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:35,939 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2772771]
[2021-11-07 04:56:35,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:35,940 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:36,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:36,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:36,169 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:36,170 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2772771]
[2021-11-07 04:56:36,170 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2772771] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-07 04:56:36,171 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-07 04:56:36,171 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-07 04:56:36,173 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480993868]
[2021-11-07 04:56:36,178 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-07 04:56:36,208 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:36,226 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-07 04:56:36,227 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-07 04:56:36,228 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,230 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:36,232 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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)
[2021-11-07 04:56:36,233 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,247 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-07 04:56:36,247 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:36,248 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:36,248 INFO  L85        PathProgramCache]: Analyzing trace with hash 198346269, now seen corresponding path program 1 times
[2021-11-07 04:56:36,248 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:36,248 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483570589]
[2021-11-07 04:56:36,248 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:36,249 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:36,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:36,444 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:36,444 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:36,444 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483570589]
[2021-11-07 04:56:36,445 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483570589] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-07 04:56:36,445 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-07 04:56:36,445 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-07 04:56:36,445 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682760526]
[2021-11-07 04:56:36,447 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-07 04:56:36,447 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:36,448 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-07 04:56:36,448 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-07 04:56:36,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,449 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:36,449 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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)
[2021-11-07 04:56:36,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,509 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:36,512 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-07 04:56:36,512 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:36,512 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:36,512 INFO  L85        PathProgramCache]: Analyzing trace with hash -1090071929, now seen corresponding path program 1 times
[2021-11-07 04:56:36,513 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:36,513 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272682387]
[2021-11-07 04:56:36,513 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:36,513 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:36,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:36,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:36,664 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:36,664 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272682387]
[2021-11-07 04:56:36,664 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272682387] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-07 04:56:36,664 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-07 04:56:36,664 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-07 04:56:36,665 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058091036]
[2021-11-07 04:56:36,665 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-07 04:56:36,665 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:36,666 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-07 04:56:36,666 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-07 04:56:36,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,667 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:36,667 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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)
[2021-11-07 04:56:36,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:36,667 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:36,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:36,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:36,736 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-07 04:56:36,737 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:36,737 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:36,737 INFO  L85        PathProgramCache]: Analyzing trace with hash 1993787743, now seen corresponding path program 1 times
[2021-11-07 04:56:36,738 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:36,738 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868495749]
[2021-11-07 04:56:36,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:36,738 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:36,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:36,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:36,914 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:36,914 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868495749]
[2021-11-07 04:56:36,914 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868495749] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:36,914 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804535814]
[2021-11-07 04:56:36,914 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:36,915 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:36,915 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:36,918 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:36,949 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-07 04:56:37,075 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:37,078 INFO  L263         TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-07 04:56:37,086 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:37,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:37,454 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804535814] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:37,454 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:37,454 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2021-11-07 04:56:37,454 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39223918]
[2021-11-07 04:56:37,455 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-07 04:56:37,455 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:37,456 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-07 04:56:37,456 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-11-07 04:56:37,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:37,457 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:37,457 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-07 04:56:37,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:37,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:37,458 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:37,458 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:37,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:37,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:37,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:37,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:37,565 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:37,739 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:37,740 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:37,740 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:37,740 INFO  L85        PathProgramCache]: Analyzing trace with hash -1855967523, now seen corresponding path program 2 times
[2021-11-07 04:56:37,740 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:37,741 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248548110]
[2021-11-07 04:56:37,741 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:37,741 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:37,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:37,964 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:37,964 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:37,964 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248548110]
[2021-11-07 04:56:37,964 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248548110] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:37,965 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966005600]
[2021-11-07 04:56:37,965 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-07 04:56:37,965 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:37,965 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:37,966 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:37,986 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-07 04:56:38,160 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-07 04:56:38,160 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:38,165 INFO  L263         TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-07 04:56:38,177 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:38,602 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:38,603 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [966005600] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:38,603 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:38,603 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2021-11-07 04:56:38,604 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585809387]
[2021-11-07 04:56:38,605 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-11-07 04:56:38,605 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:38,606 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-11-07 04:56:38,607 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2021-11-07 04:56:38,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:38,607 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:38,607 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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)
[2021-11-07 04:56:38,608 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:38,608 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:38,608 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:38,608 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:38,608 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:38,711 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:38,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:38,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:38,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:38,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:38,741 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:38,931 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:38,932 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:38,932 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:38,932 INFO  L85        PathProgramCache]: Analyzing trace with hash -1970116449, now seen corresponding path program 3 times
[2021-11-07 04:56:38,932 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:38,933 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55428146]
[2021-11-07 04:56:38,933 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:38,933 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:38,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:39,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:39,117 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:39,117 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55428146]
[2021-11-07 04:56:39,117 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55428146] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:39,118 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914752308]
[2021-11-07 04:56:39,118 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-07 04:56:39,118 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:39,118 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:39,119 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:39,153 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-11-07 04:56:39,399 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2021-11-07 04:56:39,399 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:39,402 INFO  L263         TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-07 04:56:39,407 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:39,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:39,957 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914752308] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:39,958 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:39,958 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11
[2021-11-07 04:56:39,958 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102873532]
[2021-11-07 04:56:39,959 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2021-11-07 04:56:39,959 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:39,960 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2021-11-07 04:56:39,960 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2021-11-07 04:56:39,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:39,960 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:39,961 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 18.727272727272727) internal successors, (206), 11 states have internal predecessors, (206), 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)
[2021-11-07 04:56:39,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:39,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:39,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:39,962 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:39,962 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:39,962 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:40,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:40,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:40,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:40,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:40,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:40,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:40,116 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:40,299 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2021-11-07 04:56:40,300 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:40,300 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:40,300 INFO  L85        PathProgramCache]: Analyzing trace with hash 529942429, now seen corresponding path program 4 times
[2021-11-07 04:56:40,300 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:40,301 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560410147]
[2021-11-07 04:56:40,301 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:40,301 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:40,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:40,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 12 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:40,530 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:40,531 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560410147]
[2021-11-07 04:56:40,531 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560410147] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:40,531 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374222331]
[2021-11-07 04:56:40,531 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-07 04:56:40,531 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:40,532 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:40,536 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:40,555 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-11-07 04:56:40,897 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-07 04:56:40,897 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:40,900 INFO  L263         TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-11-07 04:56:40,906 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:41,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 12 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:41,489 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [374222331] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:41,489 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:41,489 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13
[2021-11-07 04:56:41,490 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551824885]
[2021-11-07 04:56:41,490 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-07 04:56:41,491 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:41,491 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-07 04:56:41,493 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2021-11-07 04:56:41,493 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:41,494 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:41,494 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 18.53846153846154) internal successors, (241), 13 states have internal predecessors, (241), 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)
[2021-11-07 04:56:41,494 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:41,494 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:41,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:41,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:41,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:41,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:41,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:41,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:41,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:41,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:41,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:41,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:41,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:41,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:41,679 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:41,863 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2021-11-07 04:56:41,864 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:41,864 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:41,864 INFO  L85        PathProgramCache]: Analyzing trace with hash 1028626399, now seen corresponding path program 5 times
[2021-11-07 04:56:41,864 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:41,864 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71693763]
[2021-11-07 04:56:41,865 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:41,865 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:41,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:42,109 INFO  L134       CoverageAnalysis]: Checked inductivity of 440 backedges. 15 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:42,110 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:42,110 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71693763]
[2021-11-07 04:56:42,110 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71693763] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:42,110 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291855462]
[2021-11-07 04:56:42,110 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-07 04:56:42,111 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:42,111 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:42,112 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:42,138 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-11-07 04:56:42,538 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2021-11-07 04:56:42,538 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:42,541 INFO  L263         TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-07 04:56:42,545 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:43,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 440 backedges. 15 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:43,225 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [291855462] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:43,225 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:43,225 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15
[2021-11-07 04:56:43,228 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033073210]
[2021-11-07 04:56:43,230 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2021-11-07 04:56:43,232 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:43,233 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2021-11-07 04:56:43,233 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210
[2021-11-07 04:56:43,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:43,234 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:43,234 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 15 states have (on average 18.4) internal successors, (276), 15 states have internal predecessors, (276), 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)
[2021-11-07 04:56:43,234 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:43,234 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:43,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:43,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:43,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:43,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:43,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:43,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:43,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:43,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:43,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:43,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:43,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:43,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:43,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:43,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:43,463 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:43,647 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:43,647 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:43,648 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:43,648 INFO  L85        PathProgramCache]: Analyzing trace with hash 1994444893, now seen corresponding path program 6 times
[2021-11-07 04:56:43,648 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:43,648 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848887118]
[2021-11-07 04:56:43,648 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:43,649 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:43,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:43,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 633 backedges. 18 proven. 615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:43,962 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:43,963 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848887118]
[2021-11-07 04:56:43,963 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848887118] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:43,963 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791441079]
[2021-11-07 04:56:43,963 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-07 04:56:43,963 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:43,964 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:43,964 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:43,986 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-11-07 04:56:44,754 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s)
[2021-11-07 04:56:44,754 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:44,759 INFO  L263         TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-11-07 04:56:44,764 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:45,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 633 backedges. 18 proven. 615 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:45,562 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791441079] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:45,562 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:45,563 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17
[2021-11-07 04:56:45,563 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726302494]
[2021-11-07 04:56:45,564 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2021-11-07 04:56:45,564 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:45,565 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-11-07 04:56:45,565 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272
[2021-11-07 04:56:45,565 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:45,566 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:45,566 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 17 states, 17 states have (on average 18.294117647058822) internal successors, (311), 17 states have internal predecessors, (311), 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)
[2021-11-07 04:56:45,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:45,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:45,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:45,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:45,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:45,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:45,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:45,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:45,567 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:45,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:45,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:45,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:45,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:45,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:45,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:45,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:45,799 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:45,800 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:45,843 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:46,014 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:46,014 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:46,015 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:46,015 INFO  L85        PathProgramCache]: Analyzing trace with hash -1759357153, now seen corresponding path program 7 times
[2021-11-07 04:56:46,015 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:46,015 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666763844]
[2021-11-07 04:56:46,015 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:46,015 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:46,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:46,307 INFO  L134       CoverageAnalysis]: Checked inductivity of 861 backedges. 21 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:46,308 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:46,308 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666763844]
[2021-11-07 04:56:46,308 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666763844] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:46,308 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827675565]
[2021-11-07 04:56:46,309 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-07 04:56:46,309 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:46,309 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:46,310 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:46,332 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-11-07 04:56:46,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:46,959 INFO  L263         TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-11-07 04:56:46,964 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:47,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 861 backedges. 21 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:47,802 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827675565] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:47,802 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:47,803 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19
[2021-11-07 04:56:47,805 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886486654]
[2021-11-07 04:56:47,807 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2021-11-07 04:56:47,807 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:47,808 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2021-11-07 04:56:47,808 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342
[2021-11-07 04:56:47,808 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:47,808 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:47,809 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 18.210526315789473) internal successors, (346), 19 states have internal predecessors, (346), 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)
[2021-11-07 04:56:47,809 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:47,809 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:47,809 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:47,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:47,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:47,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:47,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:47,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:47,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:47,810 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:48,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:48,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:48,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:48,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:48,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:48,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:48,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:48,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:48,083 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:48,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:56:48,126 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:48,303 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2021-11-07 04:56:48,304 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:48,304 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:48,304 INFO  L85        PathProgramCache]: Analyzing trace with hash -156514019, now seen corresponding path program 8 times
[2021-11-07 04:56:48,304 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:48,304 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529996496]
[2021-11-07 04:56:48,305 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:48,305 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:48,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:48,659 INFO  L134       CoverageAnalysis]: Checked inductivity of 1124 backedges. 24 proven. 1100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:48,659 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:48,659 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529996496]
[2021-11-07 04:56:48,659 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529996496] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:48,660 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004337030]
[2021-11-07 04:56:48,660 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-07 04:56:48,660 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:48,660 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:48,661 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:48,682 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-11-07 04:56:49,367 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-07 04:56:49,367 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:49,371 INFO  L263         TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-11-07 04:56:49,376 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:50,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 1124 backedges. 24 proven. 1100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:50,269 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004337030] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:50,269 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:50,270 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 21
[2021-11-07 04:56:50,270 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939537334]
[2021-11-07 04:56:50,271 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2021-11-07 04:56:50,272 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:50,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2021-11-07 04:56:50,273 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420
[2021-11-07 04:56:50,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:50,273 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:50,275 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 18.142857142857142) internal successors, (381), 21 states have internal predecessors, (381), 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)
[2021-11-07 04:56:50,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:50,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:50,275 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:50,276 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:50,276 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:50,276 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:50,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:50,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:50,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:50,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:56:50,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:50,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:50,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:50,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:50,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:50,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:50,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:50,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:50,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:50,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:50,559 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:56:50,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:56:50,600 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:50,787 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:50,787 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:50,788 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:50,788 INFO  L85        PathProgramCache]: Analyzing trace with hash -1591826849, now seen corresponding path program 9 times
[2021-11-07 04:56:50,788 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:50,788 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103924067]
[2021-11-07 04:56:50,788 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:50,788 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:50,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:51,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 1422 backedges. 27 proven. 1395 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:51,128 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:51,128 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103924067]
[2021-11-07 04:56:51,128 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103924067] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:51,128 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249921470]
[2021-11-07 04:56:51,129 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-07 04:56:51,129 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:51,129 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:51,130 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:51,132 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2021-11-07 04:56:52,150 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s)
[2021-11-07 04:56:52,150 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:52,154 INFO  L263         TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 20 conjunts are in the unsatisfiable core
[2021-11-07 04:56:52,159 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:53,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 1422 backedges. 27 proven. 1395 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:53,325 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249921470] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:53,325 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:53,325 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 23
[2021-11-07 04:56:53,326 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130506754]
[2021-11-07 04:56:53,326 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2021-11-07 04:56:53,326 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:53,327 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2021-11-07 04:56:53,327 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2021-11-07 04:56:53,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:53,328 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:53,328 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 18.08695652173913) internal successors, (416), 23 states have internal predecessors, (416), 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)
[2021-11-07 04:56:53,328 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:53,328 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:53,328 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:53,328 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:53,328 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:53,328 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:53,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:53,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:53,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:53,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:56:53,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:56:53,329 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:53,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:53,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:53,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:53,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:53,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:53,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:53,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:53,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:53,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:53,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:56:53,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:56:53,674 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:56:53,703 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:53,891 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2021-11-07 04:56:53,891 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:53,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:53,892 INFO  L85        PathProgramCache]: Analyzing trace with hash 1566781917, now seen corresponding path program 10 times
[2021-11-07 04:56:53,892 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:53,892 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052353904]
[2021-11-07 04:56:53,892 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:53,893 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:53,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:54,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 1755 backedges. 30 proven. 1725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:54,286 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:54,286 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052353904]
[2021-11-07 04:56:54,287 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052353904] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:54,287 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547924754]
[2021-11-07 04:56:54,287 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-07 04:56:54,287 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:54,287 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:54,292 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:54,315 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2021-11-07 04:56:55,512 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-07 04:56:55,512 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:55,516 INFO  L263         TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 22 conjunts are in the unsatisfiable core
[2021-11-07 04:56:55,522 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:56:56,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 1755 backedges. 30 proven. 1725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:56,577 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547924754] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:56,578 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:56:56,578 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25
[2021-11-07 04:56:56,578 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776289165]
[2021-11-07 04:56:56,579 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2021-11-07 04:56:56,579 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:56:56,580 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2021-11-07 04:56:56,581 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600
[2021-11-07 04:56:56,581 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:56,581 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:56:56,581 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 18.04) internal successors, (451), 25 states have internal predecessors, (451), 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)
[2021-11-07 04:56:56,581 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:56,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:56,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:56:56,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:56:56,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:56:56,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:56,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:56:56,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:56:56,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:56:56,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:56:56,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:56:56,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:56:56,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:56:56,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:56:56,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:56:56,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:56:56,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:56:56,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:56:56,977 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:56:57,008 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2021-11-07 04:56:57,192 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:57,193 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:56:57,194 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:56:57,194 INFO  L85        PathProgramCache]: Analyzing trace with hash -1520925281, now seen corresponding path program 11 times
[2021-11-07 04:56:57,195 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:56:57,195 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404519671]
[2021-11-07 04:56:57,196 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:56:57,196 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:56:57,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:56:57,683 INFO  L134       CoverageAnalysis]: Checked inductivity of 2123 backedges. 33 proven. 2090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:56:57,683 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:56:57,683 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404519671]
[2021-11-07 04:56:57,683 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404519671] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:56:57,683 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034104462]
[2021-11-07 04:56:57,683 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-07 04:56:57,684 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:56:57,684 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:56:57,685 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:56:57,703 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2021-11-07 04:56:59,093 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s)
[2021-11-07 04:56:59,093 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:56:59,099 INFO  L263         TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 24 conjunts are in the unsatisfiable core
[2021-11-07 04:56:59,106 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:00,344 INFO  L134       CoverageAnalysis]: Checked inductivity of 2123 backedges. 33 proven. 2090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:00,344 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034104462] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:00,344 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:00,344 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 27
[2021-11-07 04:57:00,345 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122806991]
[2021-11-07 04:57:00,346 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2021-11-07 04:57:00,346 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:00,346 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2021-11-07 04:57:00,347 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702
[2021-11-07 04:57:00,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:00,347 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:00,347 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 18.0) internal successors, (486), 27 states have internal predecessors, (486), 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)
[2021-11-07 04:57:00,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:00,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:00,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:00,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:00,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:00,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:00,348 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:00,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:00,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:00,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:00,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:00,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:00,349 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:00,350 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:00,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:00,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:00,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:00,760 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:00,783 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:00,960 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2021-11-07 04:57:00,961 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:00,962 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:00,963 INFO  L85        PathProgramCache]: Analyzing trace with hash -2005726563, now seen corresponding path program 12 times
[2021-11-07 04:57:00,963 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:00,964 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909266819]
[2021-11-07 04:57:00,964 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:00,965 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:01,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:01,550 INFO  L134       CoverageAnalysis]: Checked inductivity of 2526 backedges. 36 proven. 2490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:01,550 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:01,550 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909266819]
[2021-11-07 04:57:01,550 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909266819] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:01,550 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408713890]
[2021-11-07 04:57:01,550 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-07 04:57:01,551 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:01,551 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:01,551 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:01,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2021-11-07 04:57:03,613 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s)
[2021-11-07 04:57:03,614 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:57:03,618 INFO  L263         TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 26 conjunts are in the unsatisfiable core
[2021-11-07 04:57:03,625 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:04,908 INFO  L134       CoverageAnalysis]: Checked inductivity of 2526 backedges. 36 proven. 2490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:04,908 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408713890] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:04,909 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:04,909 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 29
[2021-11-07 04:57:04,909 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329879417]
[2021-11-07 04:57:04,910 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2021-11-07 04:57:04,911 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:04,911 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2021-11-07 04:57:04,912 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812
[2021-11-07 04:57:04,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:04,912 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:04,913 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 29 states, 29 states have (on average 17.96551724137931) internal successors, (521), 29 states have internal predecessors, (521), 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)
[2021-11-07 04:57:04,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:04,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:04,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:04,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:04,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:04,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:04,913 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:04,914 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:05,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:05,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:05,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:05,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:05,409 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:05,409 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:05,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:05,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:05,411 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:05,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:05,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:05,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:05,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:05,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:05,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:05,441 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:05,627 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2021-11-07 04:57:05,628 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:05,629 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:05,630 INFO  L85        PathProgramCache]: Analyzing trace with hash 1860433119, now seen corresponding path program 13 times
[2021-11-07 04:57:05,630 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:05,630 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254406562]
[2021-11-07 04:57:05,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:05,631 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:05,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:06,270 INFO  L134       CoverageAnalysis]: Checked inductivity of 2964 backedges. 39 proven. 2925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:06,270 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:06,270 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254406562]
[2021-11-07 04:57:06,271 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254406562] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:06,271 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582264468]
[2021-11-07 04:57:06,271 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-07 04:57:06,271 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:06,271 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:06,274 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:06,275 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2021-11-07 04:57:07,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:07,533 INFO  L263         TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 28 conjunts are in the unsatisfiable core
[2021-11-07 04:57:07,541 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:08,799 INFO  L134       CoverageAnalysis]: Checked inductivity of 2964 backedges. 39 proven. 2925 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:08,799 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [582264468] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:08,799 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:08,799 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 31
[2021-11-07 04:57:08,799 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35740080]
[2021-11-07 04:57:08,800 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2021-11-07 04:57:08,800 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:08,801 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2021-11-07 04:57:08,801 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930
[2021-11-07 04:57:08,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:08,802 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:08,802 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 17.93548387096774) internal successors, (556), 31 states have internal predecessors, (556), 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)
[2021-11-07 04:57:08,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:08,803 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:08,804 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:09,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:09,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:09,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:09,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:09,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:09,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:09,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:09,325 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:09,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:09,359 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:09,536 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-11-07 04:57:09,537 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:09,538 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:09,539 INFO  L85        PathProgramCache]: Analyzing trace with hash 877089629, now seen corresponding path program 14 times
[2021-11-07 04:57:09,539 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:09,539 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357669252]
[2021-11-07 04:57:09,540 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:09,540 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:09,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:10,083 INFO  L134       CoverageAnalysis]: Checked inductivity of 3437 backedges. 42 proven. 3395 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:10,083 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:10,083 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357669252]
[2021-11-07 04:57:10,084 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357669252] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:10,084 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001729640]
[2021-11-07 04:57:10,084 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-07 04:57:10,084 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:10,084 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:10,084 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:10,085 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2021-11-07 04:57:11,392 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-07 04:57:11,392 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:57:11,395 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 30 conjunts are in the unsatisfiable core
[2021-11-07 04:57:11,401 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:12,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 3437 backedges. 42 proven. 3395 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:12,724 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001729640] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:12,724 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:12,724 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 33
[2021-11-07 04:57:12,724 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790779368]
[2021-11-07 04:57:12,725 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2021-11-07 04:57:12,725 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:12,726 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2021-11-07 04:57:12,726 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056
[2021-11-07 04:57:12,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:12,726 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:12,727 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 33 states, 33 states have (on average 17.90909090909091) internal successors, (591), 33 states have internal predecessors, (591), 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)
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:12,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:12,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:12,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:12,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:12,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:12,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:12,728 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:13,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:13,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:13,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:13,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:13,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:13,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:13,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:13,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:13,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:13,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:13,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:13,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:13,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:13,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:13,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:13,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:13,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:13,427 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:13,615 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2021-11-07 04:57:13,616 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:13,617 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:13,619 INFO  L85        PathProgramCache]: Analyzing trace with hash -1982532577, now seen corresponding path program 15 times
[2021-11-07 04:57:13,619 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:13,620 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296413245]
[2021-11-07 04:57:13,620 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:13,621 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:13,720 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:14,342 INFO  L134       CoverageAnalysis]: Checked inductivity of 3945 backedges. 45 proven. 3900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:14,342 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:14,342 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296413245]
[2021-11-07 04:57:14,342 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296413245] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:14,342 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113788585]
[2021-11-07 04:57:14,342 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-07 04:57:14,343 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:14,343 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:14,344 INFO  L229       MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:14,364 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2021-11-07 04:57:19,804 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s)
[2021-11-07 04:57:19,804 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:57:19,814 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 32 conjunts are in the unsatisfiable core
[2021-11-07 04:57:19,821 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:21,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 3945 backedges. 45 proven. 3900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:21,212 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113788585] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:21,212 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:21,212 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 35
[2021-11-07 04:57:21,212 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113332275]
[2021-11-07 04:57:21,213 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2021-11-07 04:57:21,213 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:21,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2021-11-07 04:57:21,214 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190
[2021-11-07 04:57:21,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:21,215 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:21,215 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 35 states, 35 states have (on average 17.885714285714286) internal successors, (626), 35 states have internal predecessors, (626), 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)
[2021-11-07 04:57:21,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:21,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:21,216 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:21,217 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:21,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:21,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:21,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:21,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:21,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:21,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:21,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:21,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:21,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:21,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:21,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:21,924 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:22,092 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:22,093 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:22,093 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:22,094 INFO  L85        PathProgramCache]: Analyzing trace with hash -1135866851, now seen corresponding path program 16 times
[2021-11-07 04:57:22,094 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:22,094 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263943495]
[2021-11-07 04:57:22,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:22,095 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:22,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:22,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 4488 backedges. 48 proven. 4440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:22,857 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:22,857 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263943495]
[2021-11-07 04:57:22,857 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263943495] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:22,857 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993382095]
[2021-11-07 04:57:22,857 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-07 04:57:22,858 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:22,858 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:22,860 INFO  L229       MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:22,879 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2021-11-07 04:57:25,951 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-07 04:57:25,951 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:57:25,958 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 34 conjunts are in the unsatisfiable core
[2021-11-07 04:57:25,967 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:27,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 4488 backedges. 48 proven. 4440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:27,582 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993382095] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:27,583 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:27,583 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 37
[2021-11-07 04:57:27,583 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584267723]
[2021-11-07 04:57:27,585 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 37 states
[2021-11-07 04:57:27,585 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:27,586 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2021-11-07 04:57:27,586 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332
[2021-11-07 04:57:27,587 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:27,587 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:27,587 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 37 states, 37 states have (on average 17.864864864864863) internal successors, (661), 37 states have internal predecessors, (661), 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)
[2021-11-07 04:57:27,587 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:27,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:27,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:27,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:27,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:27,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:27,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:27,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:27,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:27,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:27,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:27,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:27,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:27,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:27,589 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:27,590 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:27,590 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:27,590 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:27,590 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:28,341 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:28,341 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:28,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:28,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:28,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:28,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:28,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:28,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:28,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:28,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:28,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:28,343 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:28,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:28,344 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:28,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:57:28,393 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:28,559 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:28,560 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:28,561 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:28,562 INFO  L85        PathProgramCache]: Analyzing trace with hash -2092989601, now seen corresponding path program 17 times
[2021-11-07 04:57:28,563 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:28,563 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365247090]
[2021-11-07 04:57:28,564 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:28,564 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:28,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:29,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 5066 backedges. 51 proven. 5015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:29,409 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:29,409 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365247090]
[2021-11-07 04:57:29,410 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365247090] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:29,410 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634749664]
[2021-11-07 04:57:29,410 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-07 04:57:29,410 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:29,410 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:29,416 INFO  L229       MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:29,435 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2021-11-07 04:57:34,310 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s)
[2021-11-07 04:57:34,310 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:57:34,320 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 36 conjunts are in the unsatisfiable core
[2021-11-07 04:57:34,326 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:35,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 5066 backedges. 51 proven. 5015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:35,857 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634749664] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:35,857 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:35,857 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 39
[2021-11-07 04:57:35,858 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281931536]
[2021-11-07 04:57:35,859 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 39 states
[2021-11-07 04:57:35,859 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:35,859 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants.
[2021-11-07 04:57:35,860 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1083, Unknown=0, NotChecked=0, Total=1482
[2021-11-07 04:57:35,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:35,860 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:35,860 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 39 states, 39 states have (on average 17.846153846153847) internal successors, (696), 39 states have internal predecessors, (696), 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)
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:35,861 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:35,862 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:35,862 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:35,862 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:35,862 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:57:35,862 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:36,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:36,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:36,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:36,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:36,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:36,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:36,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:36,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:36,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:36,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:36,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:36,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:36,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:57:36,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:57:36,734 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:36,907 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:36,908 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:36,909 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:36,910 INFO  L85        PathProgramCache]: Analyzing trace with hash -621988643, now seen corresponding path program 18 times
[2021-11-07 04:57:36,911 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:36,912 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805798828]
[2021-11-07 04:57:36,913 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:36,913 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:37,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:37,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 5679 backedges. 54 proven. 5625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:37,727 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:37,727 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805798828]
[2021-11-07 04:57:37,727 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805798828] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:37,728 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104915077]
[2021-11-07 04:57:37,728 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-07 04:57:37,728 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:37,728 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:37,731 INFO  L229       MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:37,732 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2021-11-07 04:57:51,730 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s)
[2021-11-07 04:57:51,730 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:57:51,750 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 38 conjunts are in the unsatisfiable core
[2021-11-07 04:57:51,761 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:53,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 5679 backedges. 54 proven. 5625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:53,558 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104915077] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:53,559 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:53,559 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 41
[2021-11-07 04:57:53,559 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810773279]
[2021-11-07 04:57:53,561 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2021-11-07 04:57:53,561 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:53,562 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2021-11-07 04:57:53,562 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=1200, Unknown=0, NotChecked=0, Total=1640
[2021-11-07 04:57:53,562 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:53,563 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:53,563 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 41 states, 41 states have (on average 17.829268292682926) internal successors, (731), 41 states have internal predecessors, (731), 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)
[2021-11-07 04:57:53,563 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:53,564 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:53,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:53,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:53,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:57:53,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:57:53,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:54,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:54,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:54,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:54,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:54,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:54,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:54,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:54,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:54,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:54,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:54,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:54,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:57:54,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:57:54,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:57:54,501 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0
[2021-11-07 04:57:54,675 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:54,675 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:57:54,676 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:57:54,676 INFO  L85        PathProgramCache]: Analyzing trace with hash 691511967, now seen corresponding path program 19 times
[2021-11-07 04:57:54,676 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:57:54,676 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115828850]
[2021-11-07 04:57:54,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:57:54,677 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:57:54,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:55,534 INFO  L134       CoverageAnalysis]: Checked inductivity of 6327 backedges. 57 proven. 6270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:55,535 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:57:55,535 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115828850]
[2021-11-07 04:57:55,535 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115828850] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:55,535 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455458149]
[2021-11-07 04:57:55,535 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-07 04:57:55,535 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:57:55,535 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:57:55,536 INFO  L229       MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:57:55,538 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2021-11-07 04:57:57,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:57:57,828 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 40 conjunts are in the unsatisfiable core
[2021-11-07 04:57:57,838 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:57:59,674 INFO  L134       CoverageAnalysis]: Checked inductivity of 6327 backedges. 57 proven. 6270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:57:59,674 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [455458149] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:57:59,674 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:57:59,675 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 43
[2021-11-07 04:57:59,675 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426439083]
[2021-11-07 04:57:59,676 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2021-11-07 04:57:59,676 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:57:59,676 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2021-11-07 04:57:59,677 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806
[2021-11-07 04:57:59,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:59,677 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:57:59,677 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 43 states have (on average 17.813953488372093) internal successors, (766), 43 states have internal predecessors, (766), 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)
[2021-11-07 04:57:59,677 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:57:59,678 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:57:59,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:57:59,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:57:59,679 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:00,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:00,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:58:00,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:58:00,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:58:00,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:58:00,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:58:00,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:58:00,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:58:00,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:58:00,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:58:00,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:58:00,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:58:00,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:58:00,689 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:58:00,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:58:00,721 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0
[2021-11-07 04:58:00,895 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2021-11-07 04:58:00,896 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:58:00,899 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:58:00,900 INFO  L85        PathProgramCache]: Analyzing trace with hash 1771490717, now seen corresponding path program 20 times
[2021-11-07 04:58:00,900 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:58:00,900 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664608528]
[2021-11-07 04:58:00,900 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:58:00,900 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:58:00,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:58:01,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 7010 backedges. 60 proven. 6950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:58:01,808 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:58:01,808 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664608528]
[2021-11-07 04:58:01,808 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664608528] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:58:01,808 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224611175]
[2021-11-07 04:58:01,808 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-07 04:58:01,809 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:58:01,809 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:58:01,832 INFO  L229       MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:58:01,836 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2021-11-07 04:58:04,283 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-07 04:58:04,283 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:58:04,289 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 42 conjunts are in the unsatisfiable core
[2021-11-07 04:58:04,301 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:58:06,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 7010 backedges. 60 proven. 6950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:58:06,254 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [224611175] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:58:06,254 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:58:06,255 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 45
[2021-11-07 04:58:06,255 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924986245]
[2021-11-07 04:58:06,257 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 45 states
[2021-11-07 04:58:06,257 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:58:06,257 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants.
[2021-11-07 04:58:06,258 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=1452, Unknown=0, NotChecked=0, Total=1980
[2021-11-07 04:58:06,258 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:06,258 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:58:06,259 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 45 states, 45 states have (on average 17.8) internal successors, (801), 45 states have internal predecessors, (801), 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)
[2021-11-07 04:58:06,259 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:06,259 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:58:06,261 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:58:06,261 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:58:06,261 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:58:06,261 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:58:06,261 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:58:06,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:58:06,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:58:06,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:58:06,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:58:06,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:58:06,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:58:06,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:58:06,263 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:58:06,264 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:07,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:07,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:58:07,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:58:07,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:58:07,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:58:07,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:58:07,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 04:58:07,263 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2021-11-07 04:58:07,435 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2021-11-07 04:58:07,435 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:58:07,436 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:58:07,436 INFO  L85        PathProgramCache]: Analyzing trace with hash -892251681, now seen corresponding path program 21 times
[2021-11-07 04:58:07,436 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:58:07,436 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825006086]
[2021-11-07 04:58:07,437 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:58:07,437 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:58:07,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:58:08,452 INFO  L134       CoverageAnalysis]: Checked inductivity of 7728 backedges. 63 proven. 7665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:58:08,452 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:58:08,452 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825006086]
[2021-11-07 04:58:08,453 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825006086] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:58:08,453 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578931066]
[2021-11-07 04:58:08,453 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-07 04:58:08,453 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:58:08,454 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:58:08,456 INFO  L229       MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:58:08,462 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2021-11-07 04:58:28,935 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s)
[2021-11-07 04:58:28,935 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:58:28,964 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 44 conjunts are in the unsatisfiable core
[2021-11-07 04:58:28,981 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:58:30,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 7728 backedges. 63 proven. 7665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:58:30,950 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578931066] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:58:30,950 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:58:30,951 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 47
[2021-11-07 04:58:30,951 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390791005]
[2021-11-07 04:58:30,952 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 47 states
[2021-11-07 04:58:30,953 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:58:30,953 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants.
[2021-11-07 04:58:30,954 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=1587, Unknown=0, NotChecked=0, Total=2162
[2021-11-07 04:58:30,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:30,955 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:58:30,955 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 47 states, 47 states have (on average 17.78723404255319) internal successors, (836), 47 states have internal predecessors, (836), 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)
[2021-11-07 04:58:30,955 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:58:30,956 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:58:30,957 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:58:30,958 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:58:30,958 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:58:30,958 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:58:30,958 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:58:30,958 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:58:30,958 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 04:58:30,958 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:31,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:31,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:58:31,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:58:31,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:58:31,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:58:31,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:58:31,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:58:31,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:58:31,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 04:58:31,994 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 04:58:32,032 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0
[2021-11-07 04:58:32,207 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2021-11-07 04:58:32,207 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:58:32,208 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:58:32,208 INFO  L85        PathProgramCache]: Analyzing trace with hash 548722269, now seen corresponding path program 22 times
[2021-11-07 04:58:32,208 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:58:32,208 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522403522]
[2021-11-07 04:58:32,208 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:58:32,208 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:58:32,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:58:33,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 8481 backedges. 66 proven. 8415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:58:33,300 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:58:33,301 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522403522]
[2021-11-07 04:58:33,301 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522403522] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:58:33,301 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307677315]
[2021-11-07 04:58:33,301 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-07 04:58:33,301 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:58:33,301 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:58:33,302 INFO  L229       MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:58:33,302 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2021-11-07 04:58:48,703 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-11-07 04:58:48,703 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:58:48,721 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 46 conjunts are in the unsatisfiable core
[2021-11-07 04:58:48,735 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:58:50,709 INFO  L134       CoverageAnalysis]: Checked inductivity of 8481 backedges. 66 proven. 8415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:58:50,709 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [307677315] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:58:50,709 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:58:50,710 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 49
[2021-11-07 04:58:50,710 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609131196]
[2021-11-07 04:58:50,711 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 49 states
[2021-11-07 04:58:50,711 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:58:50,711 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2021-11-07 04:58:50,712 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=1728, Unknown=0, NotChecked=0, Total=2352
[2021-11-07 04:58:50,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:50,712 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:58:50,712 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 49 states, 49 states have (on average 17.775510204081634) internal successors, (871), 49 states have internal predecessors, (871), 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)
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:58:50,713 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:58:50,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:58:50,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:58:50,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:58:50,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:58:50,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 04:58:50,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 04:58:50,714 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:58:51,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 04:58:51,860 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 04:58:51,894 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0
[2021-11-07 04:58:52,061 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2021-11-07 04:58:52,061 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:58:52,061 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:58:52,062 INFO  L85        PathProgramCache]: Analyzing trace with hash 2015400223, now seen corresponding path program 23 times
[2021-11-07 04:58:52,062 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:58:52,062 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990378323]
[2021-11-07 04:58:52,062 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:58:52,062 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:58:52,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:58:53,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 9269 backedges. 69 proven. 9200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:58:53,225 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:58:53,226 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990378323]
[2021-11-07 04:58:53,226 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990378323] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:58:53,226 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46777714]
[2021-11-07 04:58:53,226 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-11-07 04:58:53,226 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:58:53,226 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:58:53,227 INFO  L229       MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:58:53,227 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2021-11-07 04:59:18,575 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s)
[2021-11-07 04:59:18,575 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 04:59:18,609 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 48 conjunts are in the unsatisfiable core
[2021-11-07 04:59:18,621 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 04:59:20,851 INFO  L134       CoverageAnalysis]: Checked inductivity of 9269 backedges. 69 proven. 9200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:59:20,852 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [46777714] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:59:20,852 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 04:59:20,852 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 51
[2021-11-07 04:59:20,853 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099347171]
[2021-11-07 04:59:20,854 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 51 states
[2021-11-07 04:59:20,854 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 04:59:20,854 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants.
[2021-11-07 04:59:20,855 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=1875, Unknown=0, NotChecked=0, Total=2550
[2021-11-07 04:59:20,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:59:20,856 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 04:59:20,856 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 51 states, 51 states have (on average 17.764705882352942) internal successors, (906), 51 states have internal predecessors, (906), 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)
[2021-11-07 04:59:20,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:59:20,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:59:20,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:59:20,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:59:20,856 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:59:20,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 04:59:20,858 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:59:22,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 04:59:22,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 04:59:22,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 04:59:22,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 04:59:22,199 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 04:59:22,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 04:59:22,239 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0
[2021-11-07 04:59:22,401 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:59:22,401 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 04:59:22,401 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 04:59:22,402 INFO  L85        PathProgramCache]: Analyzing trace with hash 1471368989, now seen corresponding path program 24 times
[2021-11-07 04:59:22,402 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 04:59:22,402 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733932817]
[2021-11-07 04:59:22,402 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 04:59:22,402 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 04:59:22,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 04:59:24,113 INFO  L134       CoverageAnalysis]: Checked inductivity of 10092 backedges. 72 proven. 10020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 04:59:24,114 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 04:59:24,114 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733932817]
[2021-11-07 04:59:24,114 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733932817] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 04:59:24,114 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544486958]
[2021-11-07 04:59:24,114 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2021-11-07 04:59:24,114 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 04:59:24,114 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 04:59:24,115 INFO  L229       MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 04:59:24,116 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process
[2021-11-07 05:00:13,860 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s)
[2021-11-07 05:00:13,860 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 05:00:13,907 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1646 conjuncts, 50 conjunts are in the unsatisfiable core
[2021-11-07 05:00:13,950 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 05:00:16,081 INFO  L134       CoverageAnalysis]: Checked inductivity of 10092 backedges. 72 proven. 10020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:00:16,081 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544486958] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:00:16,081 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 05:00:16,082 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 53
[2021-11-07 05:00:16,082 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788795193]
[2021-11-07 05:00:16,083 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 53 states
[2021-11-07 05:00:16,083 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 05:00:16,084 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants.
[2021-11-07 05:00:16,085 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=2028, Unknown=0, NotChecked=0, Total=2756
[2021-11-07 05:00:16,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:16,086 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 05:00:16,086 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 53 states, 53 states have (on average 17.754716981132077) internal successors, (941), 53 states have internal predecessors, (941), 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)
[2021-11-07 05:00:16,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:16,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:00:16,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:00:16,086 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:00:16,087 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:00:16,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:00:16,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:00:16,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:00:16,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:00:16,088 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:17,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:17,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:00:17,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:00:17,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:00:17,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:00:17,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:00:17,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:00:17,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:00:17,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:00:17,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:00:17,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:00:17,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:00:17,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:00:17,329 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:00:17,330 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2021-11-07 05:00:17,371 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0
[2021-11-07 05:00:17,530 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 05:00:17,530 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 05:00:17,531 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 05:00:17,531 INFO  L85        PathProgramCache]: Analyzing trace with hash 1111056479, now seen corresponding path program 25 times
[2021-11-07 05:00:17,531 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 05:00:17,531 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659341141]
[2021-11-07 05:00:17,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 05:00:17,531 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 05:00:17,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 05:00:18,831 INFO  L134       CoverageAnalysis]: Checked inductivity of 10950 backedges. 75 proven. 10875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:00:18,831 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 05:00:18,831 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659341141]
[2021-11-07 05:00:18,835 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659341141] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:00:18,835 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629283799]
[2021-11-07 05:00:18,836 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2021-11-07 05:00:18,836 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 05:00:18,836 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 05:00:18,839 INFO  L229       MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 05:00:18,842 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process
[2021-11-07 05:00:22,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 05:00:22,513 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 52 conjunts are in the unsatisfiable core
[2021-11-07 05:00:22,520 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 05:00:24,734 INFO  L134       CoverageAnalysis]: Checked inductivity of 10950 backedges. 75 proven. 10875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:00:24,734 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629283799] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:00:24,734 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 05:00:24,735 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 55
[2021-11-07 05:00:24,735 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355189200]
[2021-11-07 05:00:24,736 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 55 states
[2021-11-07 05:00:24,736 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 05:00:24,737 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2021-11-07 05:00:24,737 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970
[2021-11-07 05:00:24,737 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:24,738 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 05:00:24,738 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 55 states, 55 states have (on average 17.745454545454546) internal successors, (976), 55 states have internal predecessors, (976), 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)
[2021-11-07 05:00:24,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:24,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:00:24,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:00:24,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:00:24,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:00:24,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:00:24,738 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:00:24,739 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:00:24,740 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:00:24,740 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:00:24,740 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2021-11-07 05:00:24,740 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:00:26,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2021-11-07 05:00:26,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2021-11-07 05:00:26,129 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0
[2021-11-07 05:00:26,297 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2021-11-07 05:00:26,297 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 05:00:26,297 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 05:00:26,298 INFO  L85        PathProgramCache]: Analyzing trace with hash -989972515, now seen corresponding path program 26 times
[2021-11-07 05:00:26,298 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 05:00:26,298 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814072306]
[2021-11-07 05:00:26,298 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 05:00:26,298 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 05:00:26,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 05:00:27,786 INFO  L134       CoverageAnalysis]: Checked inductivity of 11843 backedges. 78 proven. 11765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:00:27,786 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 05:00:27,786 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814072306]
[2021-11-07 05:00:27,786 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814072306] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:00:27,787 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561299346]
[2021-11-07 05:00:27,787 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-07 05:00:27,787 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 05:00:27,787 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 05:00:27,787 INFO  L229       MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 05:00:27,789 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process
[2021-11-07 05:00:31,731 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-07 05:00:31,731 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 05:00:31,738 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1770 conjuncts, 54 conjunts are in the unsatisfiable core
[2021-11-07 05:00:31,745 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 05:00:34,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 11843 backedges. 78 proven. 11765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:00:34,181 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [561299346] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:00:34,181 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 05:00:34,182 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 57
[2021-11-07 05:00:34,182 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163916829]
[2021-11-07 05:00:34,183 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2021-11-07 05:00:34,184 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 05:00:34,184 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2021-11-07 05:00:34,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=840, Invalid=2352, Unknown=0, NotChecked=0, Total=3192
[2021-11-07 05:00:34,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:34,185 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 05:00:34,186 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 57 states have (on average 17.736842105263158) internal successors, (1011), 57 states have internal predecessors, (1011), 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)
[2021-11-07 05:00:34,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:34,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:00:34,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:00:34,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:00:34,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:00:34,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:00:34,186 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:00:34,187 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:00:34,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:00:34,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:00:34,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:00:34,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:00:34,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:00:34,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:00:34,188 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:00:34,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:00:34,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2021-11-07 05:00:34,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2021-11-07 05:00:34,189 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:35,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:00:35,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:00:35,658 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2021-11-07 05:00:35,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2021-11-07 05:00:35,692 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0
[2021-11-07 05:00:35,859 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2021-11-07 05:00:35,860 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 05:00:35,860 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 05:00:35,860 INFO  L85        PathProgramCache]: Analyzing trace with hash 2066726815, now seen corresponding path program 27 times
[2021-11-07 05:00:35,860 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 05:00:35,860 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701072903]
[2021-11-07 05:00:35,861 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 05:00:35,861 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 05:00:35,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 05:00:37,317 INFO  L134       CoverageAnalysis]: Checked inductivity of 12771 backedges. 81 proven. 12690 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:00:37,317 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 05:00:37,317 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701072903]
[2021-11-07 05:00:37,317 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701072903] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:00:37,318 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833299435]
[2021-11-07 05:00:37,318 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-11-07 05:00:37,318 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 05:00:37,318 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 05:00:37,319 INFO  L229       MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 05:00:37,320 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process
[2021-11-07 05:01:29,659 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s)
[2021-11-07 05:01:29,660 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-07 05:01:29,709 INFO  L263         TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 56 conjunts are in the unsatisfiable core
[2021-11-07 05:01:29,717 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-07 05:01:32,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 12771 backedges. 81 proven. 12690 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:01:32,305 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833299435] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:01:32,305 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-07 05:01:32,306 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 59
[2021-11-07 05:01:32,306 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403943435]
[2021-11-07 05:01:32,307 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 59 states
[2021-11-07 05:01:32,307 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-07 05:01:32,307 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants.
[2021-11-07 05:01:32,308 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=2523, Unknown=0, NotChecked=0, Total=3422
[2021-11-07 05:01:32,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:01:32,309 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-07 05:01:32,309 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 59 states, 59 states have (on average 17.728813559322035) internal successors, (1046), 59 states have internal predecessors, (1046), 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)
[2021-11-07 05:01:32,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:01:32,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:01:32,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:01:32,309 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:01:32,310 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. 
[2021-11-07 05:01:32,311 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:01:33,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-07 05:01:33,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-07 05:01:33,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-11-07 05:01:33,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2021-11-07 05:01:33,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2021-11-07 05:01:33,959 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. 
[2021-11-07 05:01:34,006 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0
[2021-11-07 05:01:34,160 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 05:01:34,160 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-07 05:01:34,160 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-07 05:01:34,160 INFO  L85        PathProgramCache]: Analyzing trace with hash 1040289949, now seen corresponding path program 28 times
[2021-11-07 05:01:34,161 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-07 05:01:34,161 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202683531]
[2021-11-07 05:01:34,161 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-07 05:01:34,161 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-07 05:01:34,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-07 05:01:35,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 13734 backedges. 84 proven. 13650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-07 05:01:35,974 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-07 05:01:35,974 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202683531]
[2021-11-07 05:01:35,974 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202683531] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-07 05:01:35,974 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409983529]
[2021-11-07 05:01:35,975 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-11-07 05:01:35,975 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-07 05:01:35,975 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3
[2021-11-07 05:01:35,977 INFO  L229       MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-07 05:01:35,978 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_649aab8a-7b3f-4897-beaf-c8e23f14ee05/bin/ugemcutter-iGDDIIUDf3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process