./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:57:24,533 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:57:24,535 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:57:24,585 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:57:24,586 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:57:24,590 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:57:24,596 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:57:24,598 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:57:24,600 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:57:24,603 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:57:24,604 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:57:24,605 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:57:24,605 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:57:24,606 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:57:24,607 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:57:24,609 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:57:24,609 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:57:24,610 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:57:24,612 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:57:24,614 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:57:24,622 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:57:24,625 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:57:24,629 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:57:24,629 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:57:24,641 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:57:24,642 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:57:24,642 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:57:24,644 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:57:24,645 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:57:24,646 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:57:24,646 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:57:24,647 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:57:24,649 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:57:24,651 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:57:24,652 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:57:24,652 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:57:24,652 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:57:24,653 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:57:24,653 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:57:24,654 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:57:24,654 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:57:24,655 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:57:24,700 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:57:24,700 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:57:24,701 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:57:24,701 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:57:24,702 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:57:24,703 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:57:24,703 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:57:24,704 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:57:24,704 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:57:24,704 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:57:24,705 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:57:24,705 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:57:24,706 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:57:24,706 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:57:24,706 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:57:24,706 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:57:24,706 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:57:24,707 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:57:24,707 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:57:24,707 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:57:24,707 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:57:24,708 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:57:24,708 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:57:24,708 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:57:24,708 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:57:24,709 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:57:24,709 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:57:24,709 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:57:24,709 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:57:24,709 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:57:24,710 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:57:24,710 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:57:24,710 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:57:24,711 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_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/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_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc
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 -> Automizer
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 -> 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b
[2022-11-02 20:57:25,032 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:57:25,066 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:57:25,069 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:57:25,070 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:57:25,071 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:57:25,072 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c
[2022-11-02 20:57:25,172 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/data/786619b4b/23d866289c1a4f0189c4b92e86a92d82/FLAG4bd522a99
[2022-11-02 20:57:25,697 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:57:25,698 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c
[2022-11-02 20:57:25,712 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/data/786619b4b/23d866289c1a4f0189c4b92e86a92d82/FLAG4bd522a99
[2022-11-02 20:57:25,986 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/data/786619b4b/23d866289c1a4f0189c4b92e86a92d82
[2022-11-02 20:57:25,989 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:57:25,994 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:57:25,997 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:57:25,997 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:57:26,001 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:57:26,002 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:25" (1/1) ...
[2022-11-02 20:57:26,004 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4d9151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26, skipping insertion in model container
[2022-11-02 20:57:26,004 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:25" (1/1) ...
[2022-11-02 20:57:26,012 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:57:26,076 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:57:26,364 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135]
[2022-11-02 20:57:26,383 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:57:26,393 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:57:26,497 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135]
[2022-11-02 20:57:26,516 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:57:26,544 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:57:26,544 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26 WrapperNode
[2022-11-02 20:57:26,545 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:57:26,546 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:57:26,546 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:57:26,546 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:57:26,554 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,578 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,620 INFO  L138                Inliner]: procedures = 58, calls = 160, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 286
[2022-11-02 20:57:26,621 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:57:26,621 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:57:26,622 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:57:26,622 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:57:26,633 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,633 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,646 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,647 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,663 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,667 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,669 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,670 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,678 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:57:26,680 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:57:26,680 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:57:26,681 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:57:26,682 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (1/1) ...
[2022-11-02 20:57:26,694 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:57:26,707 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:57:26,719 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:57:26,730 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:57:26,770 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:57:26,770 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2022-11-02 20:57:26,770 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2022-11-02 20:57:26,770 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2022-11-02 20:57:26,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2022-11-02 20:57:26,771 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2022-11-02 20:57:26,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2022-11-02 20:57:26,771 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2022-11-02 20:57:26,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2022-11-02 20:57:26,772 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2022-11-02 20:57:26,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2022-11-02 20:57:26,772 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2022-11-02 20:57:26,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2022-11-02 20:57:26,773 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2022-11-02 20:57:26,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2022-11-02 20:57:26,773 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:57:26,773 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-11-02 20:57:26,773 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-11-02 20:57:26,774 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:57:26,774 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:57:26,891 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:57:26,893 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:57:27,306 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:57:27,314 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:57:27,314 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:57:27,316 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:27 BoogieIcfgContainer
[2022-11-02 20:57:27,316 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:57:27,318 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:57:27,319 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:57:27,322 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:57:27,323 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:57:25" (1/3) ...
[2022-11-02 20:57:27,323 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59edbe8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:27, skipping insertion in model container
[2022-11-02 20:57:27,323 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:26" (2/3) ...
[2022-11-02 20:57:27,324 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59edbe8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:27, skipping insertion in model container
[2022-11-02 20:57:27,324 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:27" (3/3) ...
[2022-11-02 20:57:27,325 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c
[2022-11-02 20:57:27,344 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:57:27,344 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:57:27,397 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:57:27,404 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@664af497, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:57:27,404 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:57:27,408 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14)
[2022-11-02 20:57:27,419 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2022-11-02 20:57:27,419 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:57:27,420 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:57:27,420 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:57:27,425 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:57:27,426 INFO  L85        PathProgramCache]: Analyzing trace with hash -2094937371, now seen corresponding path program 1 times
[2022-11-02 20:57:27,435 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:57:27,436 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26709109]
[2022-11-02 20:57:27,436 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:57:27,436 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:57:27,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:27,762 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-11-02 20:57:27,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:27,780 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:57:27,780 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:57:27,781 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26709109]
[2022-11-02 20:57:27,783 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26709109] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:57:27,783 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:57:27,783 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:57:27,785 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274855485]
[2022-11-02 20:57:27,786 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:57:27,791 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:57:27,791 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:57:27,817 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:57:27,818 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:57:27,821 INFO  L87              Difference]: Start difference. First operand  has 101 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 86 states have internal predecessors, (106), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:27,869 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:57:27,871 INFO  L93              Difference]: Finished difference Result 194 states and 263 transitions.
[2022-11-02 20:57:27,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-02 20:57:27,874 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25
[2022-11-02 20:57:27,874 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:57:27,883 INFO  L225             Difference]: With dead ends: 194
[2022-11-02 20:57:27,883 INFO  L226             Difference]: Without dead ends: 92
[2022-11-02 20:57:27,887 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:57:27,891 INFO  L413           NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:57:27,892 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:57:27,910 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2022-11-02 20:57:27,936 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2022-11-02 20:57:27,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 78 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2022-11-02 20:57:27,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions.
[2022-11-02 20:57:27,942 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25
[2022-11-02 20:57:27,942 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:57:27,942 INFO  L495      AbstractCegarLoop]: Abstraction has 92 states and 119 transitions.
[2022-11-02 20:57:27,943 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:27,943 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions.
[2022-11-02 20:57:27,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2022-11-02 20:57:27,945 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:57:27,946 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:57:27,946 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:57:27,946 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:57:27,947 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:57:27,947 INFO  L85        PathProgramCache]: Analyzing trace with hash -1959573933, now seen corresponding path program 1 times
[2022-11-02 20:57:27,948 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:57:27,948 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833863606]
[2022-11-02 20:57:27,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:57:27,948 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:57:27,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,122 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2022-11-02 20:57:28,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:57:28,127 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:57:28,127 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833863606]
[2022-11-02 20:57:28,128 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833863606] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:57:28,128 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:57:28,128 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:57:28,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667014846]
[2022-11-02 20:57:28,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:57:28,130 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:57:28,130 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:57:28,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:57:28,131 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:57:28,131 INFO  L87              Difference]: Start difference. First operand 92 states and 119 transitions. Second operand  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:28,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:57:28,158 INFO  L93              Difference]: Finished difference Result 145 states and 187 transitions.
[2022-11-02 20:57:28,160 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:57:28,160 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26
[2022-11-02 20:57:28,161 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:57:28,162 INFO  L225             Difference]: With dead ends: 145
[2022-11-02 20:57:28,162 INFO  L226             Difference]: Without dead ends: 83
[2022-11-02 20:57:28,163 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:57:28,164 INFO  L413           NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:57:28,165 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:57:28,166 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2022-11-02 20:57:28,179 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2022-11-02 20:57:28,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 64 states have (on average 1.328125) internal successors, (85), 72 states have internal predecessors, (85), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11)
[2022-11-02 20:57:28,192 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions.
[2022-11-02 20:57:28,193 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 26
[2022-11-02 20:57:28,194 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:57:28,195 INFO  L495      AbstractCegarLoop]: Abstraction has 83 states and 107 transitions.
[2022-11-02 20:57:28,196 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:28,196 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions.
[2022-11-02 20:57:28,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2022-11-02 20:57:28,199 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:57:28,199 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:57:28,200 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:57:28,200 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:57:28,201 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:57:28,201 INFO  L85        PathProgramCache]: Analyzing trace with hash -2030749758, now seen corresponding path program 1 times
[2022-11-02 20:57:28,201 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:57:28,202 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607821288]
[2022-11-02 20:57:28,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:57:28,203 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:57:28,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,419 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:57:28,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:57:28,428 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:57:28,429 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607821288]
[2022-11-02 20:57:28,429 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607821288] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:57:28,429 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:57:28,429 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:57:28,429 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851791180]
[2022-11-02 20:57:28,430 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:57:28,430 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:57:28,430 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:57:28,431 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:57:28,431 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:57:28,431 INFO  L87              Difference]: Start difference. First operand 83 states and 107 transitions. Second operand  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:28,546 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:57:28,547 INFO  L93              Difference]: Finished difference Result 203 states and 265 transitions.
[2022-11-02 20:57:28,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 20:57:28,547 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31
[2022-11-02 20:57:28,548 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:57:28,549 INFO  L225             Difference]: With dead ends: 203
[2022-11-02 20:57:28,549 INFO  L226             Difference]: Without dead ends: 127
[2022-11-02 20:57:28,550 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:57:28,551 INFO  L413           NwaCegarLoop]: 122 mSDtfsCounter, 170 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:57:28,552 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 369 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:57:28,553 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2022-11-02 20:57:28,568 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124.
[2022-11-02 20:57:28,568 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 124 states, 95 states have (on average 1.3473684210526315) internal successors, (128), 106 states have internal predecessors, (128), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17)
[2022-11-02 20:57:28,570 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 161 transitions.
[2022-11-02 20:57:28,570 INFO  L78                 Accepts]: Start accepts. Automaton has 124 states and 161 transitions. Word has length 31
[2022-11-02 20:57:28,570 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:57:28,570 INFO  L495      AbstractCegarLoop]: Abstraction has 124 states and 161 transitions.
[2022-11-02 20:57:28,571 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:28,571 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions.
[2022-11-02 20:57:28,572 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2022-11-02 20:57:28,572 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:57:28,572 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:57:28,573 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:57:28,573 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:57:28,573 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:57:28,574 INFO  L85        PathProgramCache]: Analyzing trace with hash 1089524515, now seen corresponding path program 1 times
[2022-11-02 20:57:28,574 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:57:28,574 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685349264]
[2022-11-02 20:57:28,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:57:28,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:57:28,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,713 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2022-11-02 20:57:28,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,717 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:57:28,718 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:57:28,718 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685349264]
[2022-11-02 20:57:28,718 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685349264] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:57:28,718 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:57:28,718 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:57:28,718 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804838833]
[2022-11-02 20:57:28,719 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:57:28,719 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:57:28,719 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:57:28,720 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:57:28,720 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:57:28,720 INFO  L87              Difference]: Start difference. First operand 124 states and 161 transitions. Second operand  has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:28,848 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:57:28,848 INFO  L93              Difference]: Finished difference Result 352 states and 475 transitions.
[2022-11-02 20:57:28,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 20:57:28,849 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34
[2022-11-02 20:57:28,850 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:57:28,853 INFO  L225             Difference]: With dead ends: 352
[2022-11-02 20:57:28,853 INFO  L226             Difference]: Without dead ends: 235
[2022-11-02 20:57:28,855 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:57:28,856 INFO  L413           NwaCegarLoop]: 114 mSDtfsCounter, 76 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:57:28,857 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 431 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:57:28,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 235 states.
[2022-11-02 20:57:28,891 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 229.
[2022-11-02 20:57:28,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 229 states, 174 states have (on average 1.3275862068965518) internal successors, (231), 193 states have internal predecessors, (231), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (37), 22 states have call predecessors, (37), 32 states have call successors, (37)
[2022-11-02 20:57:28,894 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions.
[2022-11-02 20:57:28,894 INFO  L78                 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 34
[2022-11-02 20:57:28,894 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:57:28,894 INFO  L495      AbstractCegarLoop]: Abstraction has 229 states and 300 transitions.
[2022-11-02 20:57:28,895 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:28,895 INFO  L276                IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions.
[2022-11-02 20:57:28,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2022-11-02 20:57:28,897 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:57:28,898 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:57:28,898 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:57:28,898 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:57:28,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:57:28,899 INFO  L85        PathProgramCache]: Analyzing trace with hash 2017651048, now seen corresponding path program 1 times
[2022-11-02 20:57:28,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:57:28,899 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585425916]
[2022-11-02 20:57:28,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:57:28,899 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:57:28,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,963 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25
[2022-11-02 20:57:28,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:57:28,966 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:57:28,966 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:57:28,966 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585425916]
[2022-11-02 20:57:28,966 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585425916] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:57:28,967 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:57:28,967 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:57:28,967 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655243416]
[2022-11-02 20:57:28,967 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:57:28,967 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:57:28,968 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:57:28,968 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:57:28,968 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:57:28,969 INFO  L87              Difference]: Start difference. First operand 229 states and 300 transitions. Second operand  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:29,022 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:57:29,022 INFO  L93              Difference]: Finished difference Result 514 states and 689 transitions.
[2022-11-02 20:57:29,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:57:29,022 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36
[2022-11-02 20:57:29,023 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:57:29,025 INFO  L225             Difference]: With dead ends: 514
[2022-11-02 20:57:29,025 INFO  L226             Difference]: Without dead ends: 292
[2022-11-02 20:57:29,026 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:57:29,028 INFO  L413           NwaCegarLoop]: 107 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:57:29,028 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 174 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:57:29,029 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 292 states.
[2022-11-02 20:57:29,075 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 288.
[2022-11-02 20:57:29,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 288 states, 222 states have (on average 1.2837837837837838) internal successors, (285), 238 states have internal predecessors, (285), 35 states have call successors, (35), 32 states have call predecessors, (35), 30 states have return successors, (48), 32 states have call predecessors, (48), 35 states have call successors, (48)
[2022-11-02 20:57:29,078 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 368 transitions.
[2022-11-02 20:57:29,078 INFO  L78                 Accepts]: Start accepts. Automaton has 288 states and 368 transitions. Word has length 36
[2022-11-02 20:57:29,079 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:57:29,079 INFO  L495      AbstractCegarLoop]: Abstraction has 288 states and 368 transitions.
[2022-11-02 20:57:29,079 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:57:29,079 INFO  L276                IsEmpty]: Start isEmpty. Operand 288 states and 368 transitions.
[2022-11-02 20:57:29,080 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2022-11-02 20:57:29,081 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:57:29,081 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:57:29,081 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:57:29,081 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:57:29,082 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:57:29,082 INFO  L85        PathProgramCache]: Analyzing trace with hash -422775543, now seen corresponding path program 1 times
[2022-11-02 20:57:29,082 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:57:29,082 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400347606]
[2022-11-02 20:57:29,083 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:57:29,083 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:57:29,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:57:29,104 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:57:29,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:57:29,141 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:57:29,142 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:57:29,143 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:57:29,145 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:57:29,149 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2022-11-02 20:57:29,152 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:57:29,189 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:57:29 BoogieIcfgContainer
[2022-11-02 20:57:29,190 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:57:29,190 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:57:29,190 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:57:29,191 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:57:29,191 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:27" (3/4) ...
[2022-11-02 20:57:29,193 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-02 20:57:29,257 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:57:29,257 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:57:29,258 INFO  L158              Benchmark]: Toolchain (without parser) took 3263.65ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 61.9MB in the beginning and 81.9MB in the end (delta: -20.0MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB.
[2022-11-02 20:57:29,258 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:57:29,258 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 547.86ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 71.9MB in the end (delta: -10.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB.
[2022-11-02 20:57:29,259 INFO  L158              Benchmark]: Boogie Procedure Inliner took 75.29ms. Allocated memory is still 107.0MB. Free memory was 71.9MB in the beginning and 69.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:57:29,259 INFO  L158              Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:57:29,260 INFO  L158              Benchmark]: RCFGBuilder took 636.36ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 47.4MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2022-11-02 20:57:29,260 INFO  L158              Benchmark]: TraceAbstraction took 1871.35ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 46.8MB in the beginning and 86.1MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:57:29,261 INFO  L158              Benchmark]: Witness Printer took 66.69ms. Allocated memory is still 130.0MB. Free memory was 86.1MB in the beginning and 81.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:57:29,264 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 547.86ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 71.9MB in the end (delta: -10.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 75.29ms. Allocated memory is still 107.0MB. Free memory was 71.9MB in the beginning and 69.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 57.76ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 636.36ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 47.4MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1871.35ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 46.8MB in the beginning and 86.1MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 66.69ms. Allocated memory is still 130.0MB. Free memory was 86.1MB in the beginning and 81.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 779]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L134]               int pumpRunning  =    0;
[L135]               int systemActive  =    1;
[L578]               static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L822]               int waterLevel  =    1;
[L823]               int methaneLevelCritical  =    0;
[L925]               int cleanupTimeShifts  =    4;
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L998]               int retValue_acc ;
[L999]               int tmp ;
[L1003]  FCALL       select_helpers()
[L1004]  FCALL       select_features()
[L1005]  CALL, EXPR  valid_product()
[L813]               int retValue_acc ;
[L816]               retValue_acc = 1
[L817]               return (retValue_acc);
         VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L1005]  RET, EXPR   valid_product()
[L1005]              tmp = valid_product()
[L1007]  COND TRUE   \read(tmp)
[L1009]  FCALL       setup()
[L1010]  CALL        runTest()
[L992]   CALL        test()
[L57]                int splverifierCounter ;
[L58]                int tmp ;
[L59]                int tmp___0 ;
[L60]                int tmp___1 ;
[L61]                int tmp___2 ;
[L64]                splverifierCounter = 0
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L66]    COND TRUE   1
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L68]    COND TRUE   splverifierCounter < 4
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L74]                tmp = __VERIFIER_nondet_int()
[L76]    COND TRUE   \read(tmp)
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L78]    CALL        waterRise()
         VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L840]   COND TRUE   waterLevel < 2
[L841]               waterLevel = waterLevel + 1
         VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L78]    RET         waterRise()
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L84]                tmp___0 = __VERIFIER_nondet_int()
[L86]    COND FALSE  !(\read(tmp___0))
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L94]                tmp___2 = __VERIFIER_nondet_int()
[L96]    COND FALSE  !(\read(tmp___2))
[L102]               tmp___1 = __VERIFIER_nondet_int()
[L104]   COND TRUE   \read(tmp___1)
[L106]   CALL        stopSystem()
[L353]   COND FALSE  !(\read(pumpRunning))
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L360]               systemActive = 0
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L106]   RET         stopSystem()
[L113]   CALL        timeShift()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L142]   COND FALSE  !(\read(pumpRunning))
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L149]   COND FALSE  !(\read(systemActive))
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L157]   CALL        __utac_acc__Specification3_spec__1()
[L376]               int tmp ;
[L377]               int tmp___0 ;
[L378]               int tmp___1 ;
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L382]   CALL, EXPR  isMethaneLevelCritical()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L861]               int retValue_acc ;
[L864]               retValue_acc = methaneLevelCritical
[L865]               return (retValue_acc);
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L382]   RET, EXPR   isMethaneLevelCritical()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L382]               tmp = isMethaneLevelCritical()
[L384]   COND FALSE  !(\read(tmp))
[L388]   CALL, EXPR  getWaterLevel()
[L893]               int retValue_acc ;
[L896]               retValue_acc = waterLevel
[L897]               return (retValue_acc);
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L388]   RET, EXPR   getWaterLevel()
[L388]               tmp___0 = getWaterLevel()
[L390]   COND TRUE   tmp___0 == 2
[L392]   CALL, EXPR  isPumpRunning()
[L267]               int retValue_acc ;
[L270]               retValue_acc = pumpRunning
[L271]               return (retValue_acc);
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L392]   RET, EXPR   isPumpRunning()
[L392]               tmp___1 = isPumpRunning()
[L394]   COND FALSE  !(\read(tmp___1))
[L398]   CALL        __automaton_fail()
[L779]               reach_error()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 9 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 333 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 329 mSDsluCounter, 1292 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 715 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 577 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-11-02 20:57:29,306 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a17bb5-ced1-40dc-98fc-d82fc430b8c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE