./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/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_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/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_e4005f83-dc32-4af3-adc9-b1a6caeb550b/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 faabc130c8aadbb7390121b68f1c41e161e50da9443e348cb1c3db1c45e9e0cb
--- 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 20:37:56,329 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:37:56,332 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:37:56,375 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:37:56,376 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:37:56,381 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:37:56,383 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:37:56,388 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:37:56,390 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:37:56,396 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:37:56,397 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:37:56,398 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:37:56,399 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:37:56,401 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:37:56,403 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:37:56,404 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:37:56,406 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:37:56,407 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:37:56,408 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:37:56,415 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:37:56,417 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:37:56,419 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:37:56,420 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:37:56,421 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:37:56,424 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:37:56,424 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:37:56,425 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:37:56,427 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:37:56,427 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:37:56,428 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:37:56,429 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:37:56,430 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:37:56,432 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:37:56,434 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:37:56,435 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:37:56,435 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:37:56,436 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:37:56,436 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:37:56,436 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:37:56,437 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:37:56,438 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:37:56,439 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:37:56,476 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:37:56,476 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:37:56,477 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:37:56,477 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:37:56,478 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:37:56,478 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:37:56,479 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:37:56,479 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:37:56,479 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:37:56,479 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:37:56,480 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:37:56,481 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:37:56,481 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:37:56,481 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:37:56,481 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:37:56,482 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:37:56,482 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:37:56,482 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:37:56,482 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:37:56,482 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:37:56,483 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:37:56,483 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:37:56,483 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:37:56,483 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:37:56,484 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:37:56,484 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:37:56,485 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:37:56,486 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:37:56,486 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:37:56,486 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:37:56,486 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:37:56,486 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:37:56,487 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:37:56,487 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_e4005f83-dc32-4af3-adc9-b1a6caeb550b/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_e4005f83-dc32-4af3-adc9-b1a6caeb550b/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 -> faabc130c8aadbb7390121b68f1c41e161e50da9443e348cb1c3db1c45e9e0cb
[2022-11-02 20:37:56,805 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:37:56,840 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:37:56,842 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:37:56,844 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:37:56,845 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:37:56,847 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c
[2022-11-02 20:37:56,936 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/data/51e6c23df/13098ca6590c47dea75b2928d424e175/FLAG510bbea2a
[2022-11-02 20:37:57,515 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:37:57,516 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c
[2022-11-02 20:37:57,526 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/data/51e6c23df/13098ca6590c47dea75b2928d424e175/FLAG510bbea2a
[2022-11-02 20:37:57,807 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/data/51e6c23df/13098ca6590c47dea75b2928d424e175
[2022-11-02 20:37:57,810 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:37:57,811 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:37:57,813 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:37:57,813 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:37:57,816 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:37:57,817 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:57" (1/1) ...
[2022-11-02 20:37:57,818 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379fd09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:57, skipping insertion in model container
[2022-11-02 20:37:57,818 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:57" (1/1) ...
[2022-11-02 20:37:57,826 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:37:57,884 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:37:58,127 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_e4005f83-dc32-4af3-adc9-b1a6caeb550b/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c[5087,5100]
[2022-11-02 20:37:58,256 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:37:58,270 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:37:58,305 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_e4005f83-dc32-4af3-adc9-b1a6caeb550b/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c[5087,5100]
[2022-11-02 20:37:58,373 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:37:58,389 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:37:58,389 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58 WrapperNode
[2022-11-02 20:37:58,389 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:37:58,390 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:37:58,390 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:37:58,390 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:37:58,398 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,424 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,462 INFO  L138                Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 250
[2022-11-02 20:37:58,462 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:37:58,463 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:37:58,463 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:37:58,463 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:37:58,471 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,471 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,473 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,474 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,479 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,486 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,488 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,489 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,492 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:37:58,492 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:37:58,492 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:37:58,493 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:37:58,502 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (1/1) ...
[2022-11-02 20:37:58,508 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:37:58,520 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:37:58,540 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:37:58,543 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:37:58,595 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:37:58,595 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2022-11-02 20:37:58,595 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2022-11-02 20:37:58,596 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2022-11-02 20:37:58,596 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2022-11-02 20:37:58,596 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2022-11-02 20:37:58,596 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2022-11-02 20:37:58,597 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2022-11-02 20:37:58,597 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2022-11-02 20:37:58,598 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2022-11-02 20:37:58,598 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2022-11-02 20:37:58,605 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2022-11-02 20:37:58,605 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2022-11-02 20:37:58,606 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2022-11-02 20:37:58,606 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2022-11-02 20:37:58,606 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:37:58,606 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-11-02 20:37:58,606 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-11-02 20:37:58,607 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:37:58,607 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:37:58,687 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:37:58,689 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:37:59,031 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:37:59,039 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:37:59,039 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:37:59,041 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:37:59 BoogieIcfgContainer
[2022-11-02 20:37:59,041 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:37:59,043 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:37:59,043 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:37:59,047 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:37:59,047 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:37:57" (1/3) ...
[2022-11-02 20:37:59,048 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7417a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:37:59, skipping insertion in model container
[2022-11-02 20:37:59,048 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:58" (2/3) ...
[2022-11-02 20:37:59,048 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7417a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:37:59, skipping insertion in model container
[2022-11-02 20:37:59,048 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:37:59" (3/3) ...
[2022-11-02 20:37:59,050 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c
[2022-11-02 20:37:59,094 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:37:59,094 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:37:59,187 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:37:59,204 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;@783ac398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:37:59,208 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:37:59,219 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 94 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 79 states have internal predecessors, (97), 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 20:37:59,234 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2022-11-02 20:37:59,234 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:37:59,235 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 20:37:59,236 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:37:59,241 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:37:59,241 INFO  L85        PathProgramCache]: Analyzing trace with hash 238573202, now seen corresponding path program 1 times
[2022-11-02 20:37:59,248 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:37:59,250 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869325490]
[2022-11-02 20:37:59,250 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:37:59,251 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:37:59,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:37:59,651 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2022-11-02 20:37:59,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:37:59,674 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 20:37:59,679 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:37:59,680 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869325490]
[2022-11-02 20:37:59,680 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869325490] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:37:59,681 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:37:59,681 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:37:59,683 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11775661]
[2022-11-02 20:37:59,683 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:37:59,688 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:37:59,688 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:37:59,723 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:37:59,723 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:37:59,727 INFO  L87              Difference]: Start difference. First operand  has 94 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 79 states have internal predecessors, (97), 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 20:37:59,782 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:37:59,782 INFO  L93              Difference]: Finished difference Result 179 states and 244 transitions.
[2022-11-02 20:37:59,789 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-02 20:37:59,791 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 20:37:59,791 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:37:59,800 INFO  L225             Difference]: With dead ends: 179
[2022-11-02 20:37:59,800 INFO  L226             Difference]: Without dead ends: 85
[2022-11-02 20:37:59,804 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 20:37:59,808 INFO  L413           NwaCegarLoop]: 119 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, 119 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 20:37:59,809 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:37:59,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2022-11-02 20:37:59,851 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2022-11-02 20:37:59,852 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 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 20:37:59,855 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions.
[2022-11-02 20:37:59,856 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25
[2022-11-02 20:37:59,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:37:59,857 INFO  L495      AbstractCegarLoop]: Abstraction has 85 states and 110 transitions.
[2022-11-02 20:37:59,857 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 20:37:59,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions.
[2022-11-02 20:37:59,860 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2022-11-02 20:37:59,860 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:37:59,860 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 20:37:59,861 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:37:59,861 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:37:59,862 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:37:59,862 INFO  L85        PathProgramCache]: Analyzing trace with hash -1313382680, now seen corresponding path program 1 times
[2022-11-02 20:37:59,862 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:37:59,863 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638779093]
[2022-11-02 20:37:59,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:37:59,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:37:59,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,027 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2022-11-02 20:38:00,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,035 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 20:38:00,036 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:00,036 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638779093]
[2022-11-02 20:38:00,036 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638779093] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:00,037 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:00,037 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:38:00,037 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123481692]
[2022-11-02 20:38:00,037 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:00,038 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:38:00,039 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:00,039 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:38:00,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:38:00,040 INFO  L87              Difference]: Start difference. First operand 85 states and 110 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 20:38:00,063 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:00,069 INFO  L93              Difference]: Finished difference Result 131 states and 169 transitions.
[2022-11-02 20:38:00,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:38:00,071 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 20:38:00,073 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:00,074 INFO  L225             Difference]: With dead ends: 131
[2022-11-02 20:38:00,075 INFO  L226             Difference]: Without dead ends: 76
[2022-11-02 20:38:00,076 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 20:38:00,078 INFO  L413           NwaCegarLoop]: 97 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 173 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 20:38:00,081 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:38:00,082 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2022-11-02 20:38:00,093 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2022-11-02 20:38:00,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 76 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 65 states have internal predecessors, (76), 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 20:38:00,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions.
[2022-11-02 20:38:00,105 INFO  L78                 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26
[2022-11-02 20:38:00,105 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:00,106 INFO  L495      AbstractCegarLoop]: Abstraction has 76 states and 98 transitions.
[2022-11-02 20:38:00,107 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 20:38:00,108 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions.
[2022-11-02 20:38:00,109 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2022-11-02 20:38:00,111 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:00,112 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]
[2022-11-02 20:38:00,112 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:38:00,112 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:00,113 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:00,115 INFO  L85        PathProgramCache]: Analyzing trace with hash 418656316, now seen corresponding path program 1 times
[2022-11-02 20:38:00,116 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:00,116 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656517202]
[2022-11-02 20:38:00,116 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:00,117 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:00,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,278 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:38:00,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,282 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 20:38:00,286 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:00,286 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656517202]
[2022-11-02 20:38:00,286 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656517202] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:00,287 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:00,287 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:38:00,287 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817138843]
[2022-11-02 20:38:00,287 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:00,288 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:38:00,288 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:00,288 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:38:00,290 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:38:00,290 INFO  L87              Difference]: Start difference. First operand 76 states and 98 transitions. Second operand  has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 20:38:00,325 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:00,326 INFO  L93              Difference]: Finished difference Result 211 states and 278 transitions.
[2022-11-02 20:38:00,326 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:38:00,326 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30
[2022-11-02 20:38:00,327 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:00,328 INFO  L225             Difference]: With dead ends: 211
[2022-11-02 20:38:00,329 INFO  L226             Difference]: Without dead ends: 143
[2022-11-02 20:38:00,330 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 20:38:00,331 INFO  L413           NwaCegarLoop]: 121 mSDtfsCounter, 77 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:00,332 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 208 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:38:00,333 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2022-11-02 20:38:00,355 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140.
[2022-11-02 20:38:00,357 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 140 states, 103 states have (on average 1.3592233009708738) internal successors, (140), 118 states have internal predecessors, (140), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22)
[2022-11-02 20:38:00,359 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions.
[2022-11-02 20:38:00,359 INFO  L78                 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 30
[2022-11-02 20:38:00,360 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:00,360 INFO  L495      AbstractCegarLoop]: Abstraction has 140 states and 184 transitions.
[2022-11-02 20:38:00,360 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 20:38:00,360 INFO  L276                IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions.
[2022-11-02 20:38:00,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2022-11-02 20:38:00,361 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:00,362 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 20:38:00,362 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:38:00,362 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:00,362 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:00,363 INFO  L85        PathProgramCache]: Analyzing trace with hash -1768755130, now seen corresponding path program 1 times
[2022-11-02 20:38:00,363 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:00,363 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456858460]
[2022-11-02 20:38:00,363 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:00,363 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:00,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,511 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-11-02 20:38:00,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,526 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 20:38:00,527 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:00,527 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456858460]
[2022-11-02 20:38:00,527 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456858460] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:00,528 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:00,528 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:38:00,528 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402587991]
[2022-11-02 20:38:00,528 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:00,529 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:38:00,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:00,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:38:00,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:38:00,530 INFO  L87              Difference]: Start difference. First operand 140 states and 184 transitions. Second operand  has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 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 20:38:00,651 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:00,651 INFO  L93              Difference]: Finished difference Result 402 states and 537 transitions.
[2022-11-02 20:38:00,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-11-02 20:38:00,652 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 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 20:38:00,652 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:00,655 INFO  L225             Difference]: With dead ends: 402
[2022-11-02 20:38:00,655 INFO  L226             Difference]: Without dead ends: 270
[2022-11-02 20:38:00,656 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:38:00,658 INFO  L413           NwaCegarLoop]: 106 mSDtfsCounter, 66 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:00,658 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 478 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:38:00,659 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 270 states.
[2022-11-02 20:38:00,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 264.
[2022-11-02 20:38:00,687 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 264 states, 191 states have (on average 1.3455497382198953) internal successors, (257), 220 states have internal predecessors, (257), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (46), 30 states have call predecessors, (46), 44 states have call successors, (46)
[2022-11-02 20:38:00,689 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 347 transitions.
[2022-11-02 20:38:00,689 INFO  L78                 Accepts]: Start accepts. Automaton has 264 states and 347 transitions. Word has length 34
[2022-11-02 20:38:00,690 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:00,690 INFO  L495      AbstractCegarLoop]: Abstraction has 264 states and 347 transitions.
[2022-11-02 20:38:00,690 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 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 20:38:00,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 264 states and 347 transitions.
[2022-11-02 20:38:00,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2022-11-02 20:38:00,693 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:00,693 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 20:38:00,698 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:38:00,698 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:00,699 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:00,699 INFO  L85        PathProgramCache]: Analyzing trace with hash 1795843330, now seen corresponding path program 1 times
[2022-11-02 20:38:00,700 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:00,700 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522802945]
[2022-11-02 20:38:00,700 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:00,700 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:00,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,838 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-11-02 20:38:00,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,844 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2022-11-02 20:38:00,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:00,852 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 20:38:00,853 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:00,854 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522802945]
[2022-11-02 20:38:00,854 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522802945] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:00,854 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:00,854 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:38:00,855 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184259510]
[2022-11-02 20:38:00,855 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:00,855 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:38:00,855 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:00,856 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:38:00,856 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:38:00,856 INFO  L87              Difference]: Start difference. First operand 264 states and 347 transitions. Second operand  has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-02 20:38:01,233 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:01,233 INFO  L93              Difference]: Finished difference Result 692 states and 928 transitions.
[2022-11-02 20:38:01,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-11-02 20:38:01,234 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38
[2022-11-02 20:38:01,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:01,244 INFO  L225             Difference]: With dead ends: 692
[2022-11-02 20:38:01,244 INFO  L226             Difference]: Without dead ends: 436
[2022-11-02 20:38:01,247 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2022-11-02 20:38:01,254 INFO  L413           NwaCegarLoop]: 92 mSDtfsCounter, 111 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:01,255 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 199 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 20:38:01,258 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 436 states.
[2022-11-02 20:38:01,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 422.
[2022-11-02 20:38:01,308 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 422 states, 309 states have (on average 1.2977346278317152) internal successors, (401), 338 states have internal predecessors, (401), 60 states have call successors, (60), 52 states have call predecessors, (60), 52 states have return successors, (80), 54 states have call predecessors, (80), 60 states have call successors, (80)
[2022-11-02 20:38:01,321 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 541 transitions.
[2022-11-02 20:38:01,321 INFO  L78                 Accepts]: Start accepts. Automaton has 422 states and 541 transitions. Word has length 38
[2022-11-02 20:38:01,323 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:01,323 INFO  L495      AbstractCegarLoop]: Abstraction has 422 states and 541 transitions.
[2022-11-02 20:38:01,324 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2022-11-02 20:38:01,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 422 states and 541 transitions.
[2022-11-02 20:38:01,329 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2022-11-02 20:38:01,329 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:01,329 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:38:01,331 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:38:01,331 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:01,332 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:01,332 INFO  L85        PathProgramCache]: Analyzing trace with hash -1327873931, now seen corresponding path program 1 times
[2022-11-02 20:38:01,333 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:01,333 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614063647]
[2022-11-02 20:38:01,333 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:01,333 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:01,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:01,428 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-11-02 20:38:01,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:01,437 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-11-02 20:38:01,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:01,492 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2022-11-02 20:38:01,494 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:01,498 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 20:38:01,498 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:01,499 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614063647]
[2022-11-02 20:38:01,499 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614063647] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:01,499 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:01,499 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:38:01,499 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336125484]
[2022-11-02 20:38:01,500 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:01,500 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:38:01,501 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:01,501 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:38:01,502 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:38:01,502 INFO  L87              Difference]: Start difference. First operand 422 states and 541 transitions. Second operand  has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:38:01,877 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:01,877 INFO  L93              Difference]: Finished difference Result 944 states and 1225 transitions.
[2022-11-02 20:38:01,878 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-11-02 20:38:01,878 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48
[2022-11-02 20:38:01,878 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:01,881 INFO  L225             Difference]: With dead ends: 944
[2022-11-02 20:38:01,881 INFO  L226             Difference]: Without dead ends: 530
[2022-11-02 20:38:01,883 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2022-11-02 20:38:01,884 INFO  L413           NwaCegarLoop]: 84 mSDtfsCounter, 119 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:01,884 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 217 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 20:38:01,885 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 530 states.
[2022-11-02 20:38:01,926 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 516.
[2022-11-02 20:38:01,927 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 516 states, 383 states have (on average 1.2610966057441253) internal successors, (483), 412 states have internal predecessors, (483), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100)
[2022-11-02 20:38:01,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 651 transitions.
[2022-11-02 20:38:01,930 INFO  L78                 Accepts]: Start accepts. Automaton has 516 states and 651 transitions. Word has length 48
[2022-11-02 20:38:01,931 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:01,931 INFO  L495      AbstractCegarLoop]: Abstraction has 516 states and 651 transitions.
[2022-11-02 20:38:01,931 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:38:01,932 INFO  L276                IsEmpty]: Start isEmpty. Operand 516 states and 651 transitions.
[2022-11-02 20:38:01,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2022-11-02 20:38:01,933 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:01,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:38:01,933 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:38:01,934 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:01,934 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:01,934 INFO  L85        PathProgramCache]: Analyzing trace with hash 1278149623, now seen corresponding path program 1 times
[2022-11-02 20:38:01,934 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:01,935 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647323031]
[2022-11-02 20:38:01,935 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:01,935 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:01,948 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,012 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-11-02 20:38:02,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,018 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-11-02 20:38:02,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,041 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2022-11-02 20:38:02,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,044 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 20:38:02,044 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:02,044 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647323031]
[2022-11-02 20:38:02,044 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647323031] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:02,045 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:02,045 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:38:02,045 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773705568]
[2022-11-02 20:38:02,045 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:02,046 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:38:02,046 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:02,046 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:38:02,047 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:38:02,047 INFO  L87              Difference]: Start difference. First operand 516 states and 651 transitions. Second operand  has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:38:02,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:02,323 INFO  L93              Difference]: Finished difference Result 1058 states and 1371 transitions.
[2022-11-02 20:38:02,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-11-02 20:38:02,324 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48
[2022-11-02 20:38:02,324 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:02,327 INFO  L225             Difference]: With dead ends: 1058
[2022-11-02 20:38:02,327 INFO  L226             Difference]: Without dead ends: 550
[2022-11-02 20:38:02,329 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:38:02,330 INFO  L413           NwaCegarLoop]: 86 mSDtfsCounter, 122 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:02,331 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 190 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 20:38:02,332 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 550 states.
[2022-11-02 20:38:02,374 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 524.
[2022-11-02 20:38:02,375 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 524 states, 391 states have (on average 1.2557544757033248) internal successors, (491), 420 states have internal predecessors, (491), 68 states have call successors, (68), 52 states have call predecessors, (68), 64 states have return successors, (100), 70 states have call predecessors, (100), 68 states have call successors, (100)
[2022-11-02 20:38:02,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 659 transitions.
[2022-11-02 20:38:02,378 INFO  L78                 Accepts]: Start accepts. Automaton has 524 states and 659 transitions. Word has length 48
[2022-11-02 20:38:02,378 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:02,379 INFO  L495      AbstractCegarLoop]: Abstraction has 524 states and 659 transitions.
[2022-11-02 20:38:02,379 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:38:02,379 INFO  L276                IsEmpty]: Start isEmpty. Operand 524 states and 659 transitions.
[2022-11-02 20:38:02,380 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2022-11-02 20:38:02,380 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:02,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:38:02,381 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:38:02,381 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:02,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:02,382 INFO  L85        PathProgramCache]: Analyzing trace with hash 1700851449, now seen corresponding path program 1 times
[2022-11-02 20:38:02,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:02,382 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508380033]
[2022-11-02 20:38:02,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:02,383 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:02,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,447 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-11-02 20:38:02,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,455 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-11-02 20:38:02,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,470 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2022-11-02 20:38:02,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:02,482 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 20:38:02,482 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:02,482 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508380033]
[2022-11-02 20:38:02,482 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508380033] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:02,483 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:02,483 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:38:02,483 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123507980]
[2022-11-02 20:38:02,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:02,485 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:38:02,485 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:02,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:38:02,486 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:38:02,486 INFO  L87              Difference]: Start difference. First operand 524 states and 659 transitions. Second operand  has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:38:02,931 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:02,931 INFO  L93              Difference]: Finished difference Result 1526 states and 1999 transitions.
[2022-11-02 20:38:02,932 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-11-02 20:38:02,932 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 48
[2022-11-02 20:38:02,934 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:02,939 INFO  L225             Difference]: With dead ends: 1526
[2022-11-02 20:38:02,939 INFO  L226             Difference]: Without dead ends: 1010
[2022-11-02 20:38:02,941 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2022-11-02 20:38:02,944 INFO  L413           NwaCegarLoop]: 133 mSDtfsCounter, 315 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:02,945 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 252 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 20:38:02,946 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1010 states.
[2022-11-02 20:38:03,032 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 998.
[2022-11-02 20:38:03,034 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 998 states, 745 states have (on average 1.225503355704698) internal successors, (913), 792 states have internal predecessors, (913), 130 states have call successors, (130), 118 states have call predecessors, (130), 122 states have return successors, (216), 128 states have call predecessors, (216), 130 states have call successors, (216)
[2022-11-02 20:38:03,040 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1259 transitions.
[2022-11-02 20:38:03,041 INFO  L78                 Accepts]: Start accepts. Automaton has 998 states and 1259 transitions. Word has length 48
[2022-11-02 20:38:03,041 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:03,041 INFO  L495      AbstractCegarLoop]: Abstraction has 998 states and 1259 transitions.
[2022-11-02 20:38:03,041 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:38:03,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 998 states and 1259 transitions.
[2022-11-02 20:38:03,043 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2022-11-02 20:38:03,044 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:03,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:38:03,044 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:38:03,044 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:03,045 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:03,045 INFO  L85        PathProgramCache]: Analyzing trace with hash -938154221, now seen corresponding path program 1 times
[2022-11-02 20:38:03,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:03,045 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765555183]
[2022-11-02 20:38:03,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:03,046 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:03,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:03,113 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2022-11-02 20:38:03,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:03,133 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2022-11-02 20:38:03,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:03,142 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2022-11-02 20:38:03,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:03,149 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2022-11-02 20:38:03,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:03,153 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 20:38:03,153 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:03,153 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765555183]
[2022-11-02 20:38:03,153 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765555183] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:03,154 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:03,154 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:38:03,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58239647]
[2022-11-02 20:38:03,154 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:03,155 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:38:03,155 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:03,155 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:38:03,155 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:38:03,156 INFO  L87              Difference]: Start difference. First operand 998 states and 1259 transitions. Second operand  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-11-02 20:38:03,804 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:03,805 INFO  L93              Difference]: Finished difference Result 1972 states and 2635 transitions.
[2022-11-02 20:38:03,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-11-02 20:38:03,805 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 52
[2022-11-02 20:38:03,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:03,815 INFO  L225             Difference]: With dead ends: 1972
[2022-11-02 20:38:03,815 INFO  L226             Difference]: Without dead ends: 1970
[2022-11-02 20:38:03,816 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210
[2022-11-02 20:38:03,817 INFO  L413           NwaCegarLoop]: 94 mSDtfsCounter, 427 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:03,817 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 185 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:38:03,820 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1970 states.
[2022-11-02 20:38:03,938 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1533.
[2022-11-02 20:38:03,941 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1533 states, 1138 states have (on average 1.2293497363796133) internal successors, (1399), 1228 states have internal predecessors, (1399), 211 states have call successors, (211), 151 states have call predecessors, (211), 183 states have return successors, (428), 204 states have call predecessors, (428), 211 states have call successors, (428)
[2022-11-02 20:38:03,950 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2038 transitions.
[2022-11-02 20:38:03,950 INFO  L78                 Accepts]: Start accepts. Automaton has 1533 states and 2038 transitions. Word has length 52
[2022-11-02 20:38:03,951 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:03,951 INFO  L495      AbstractCegarLoop]: Abstraction has 1533 states and 2038 transitions.
[2022-11-02 20:38:03,951 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-11-02 20:38:03,951 INFO  L276                IsEmpty]: Start isEmpty. Operand 1533 states and 2038 transitions.
[2022-11-02 20:38:03,957 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2022-11-02 20:38:03,957 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:03,957 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:38:03,958 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:38:03,958 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:03,958 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:03,958 INFO  L85        PathProgramCache]: Analyzing trace with hash -1573279230, now seen corresponding path program 1 times
[2022-11-02 20:38:03,958 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:03,959 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36462856]
[2022-11-02 20:38:03,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:03,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:03,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,015 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2022-11-02 20:38:04,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,022 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2022-11-02 20:38:04,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,035 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2022-11-02 20:38:04,040 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,063 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-02 20:38:04,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,082 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2022-11-02 20:38:04,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,086 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72
[2022-11-02 20:38:04,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:38:04,088 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:04,089 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36462856]
[2022-11-02 20:38:04,089 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36462856] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:04,089 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:38:04,089 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2022-11-02 20:38:04,089 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616566268]
[2022-11-02 20:38:04,090 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:04,090 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-11-02 20:38:04,090 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:04,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-11-02 20:38:04,091 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:38:04,091 INFO  L87              Difference]: Start difference. First operand 1533 states and 2038 transitions. Second operand  has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6)
[2022-11-02 20:38:04,605 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:04,605 INFO  L93              Difference]: Finished difference Result 1800 states and 2379 transitions.
[2022-11-02 20:38:04,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2022-11-02 20:38:04,606 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 82
[2022-11-02 20:38:04,607 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:04,611 INFO  L225             Difference]: With dead ends: 1800
[2022-11-02 20:38:04,611 INFO  L226             Difference]: Without dead ends: 769
[2022-11-02 20:38:04,616 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306
[2022-11-02 20:38:04,616 INFO  L413           NwaCegarLoop]: 123 mSDtfsCounter, 295 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:04,618 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 309 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 20:38:04,619 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 769 states.
[2022-11-02 20:38:04,694 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 740.
[2022-11-02 20:38:04,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 740 states, 552 states have (on average 1.193840579710145) internal successors, (659), 591 states have internal predecessors, (659), 98 states have call successors, (98), 72 states have call predecessors, (98), 89 states have return successors, (204), 99 states have call predecessors, (204), 98 states have call successors, (204)
[2022-11-02 20:38:04,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 961 transitions.
[2022-11-02 20:38:04,701 INFO  L78                 Accepts]: Start accepts. Automaton has 740 states and 961 transitions. Word has length 82
[2022-11-02 20:38:04,701 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:04,701 INFO  L495      AbstractCegarLoop]: Abstraction has 740 states and 961 transitions.
[2022-11-02 20:38:04,702 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6)
[2022-11-02 20:38:04,702 INFO  L276                IsEmpty]: Start isEmpty. Operand 740 states and 961 transitions.
[2022-11-02 20:38:04,704 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2022-11-02 20:38:04,705 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:04,705 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:38:04,705 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 20:38:04,705 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:04,706 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:04,706 INFO  L85        PathProgramCache]: Analyzing trace with hash 750648094, now seen corresponding path program 1 times
[2022-11-02 20:38:04,706 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:04,706 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978552228]
[2022-11-02 20:38:04,706 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:04,707 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:04,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,797 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2022-11-02 20:38:04,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,804 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2022-11-02 20:38:04,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,815 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-11-02 20:38:04,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,847 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-02 20:38:04,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,859 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2022-11-02 20:38:04,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,862 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2022-11-02 20:38:04,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,866 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2022-11-02 20:38:04,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:04,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2022-11-02 20:38:04,868 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:04,868 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978552228]
[2022-11-02 20:38:04,869 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978552228] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:38:04,869 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393406048]
[2022-11-02 20:38:04,869 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:04,869 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:38:04,869 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:38:04,873 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:38:04,897 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:38:04,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,002 INFO  L263         TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-11-02 20:38:05,008 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:38:05,124 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:38:05,124 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:38:05,125 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [393406048] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:05,125 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:38:05,125 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9
[2022-11-02 20:38:05,125 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084518696]
[2022-11-02 20:38:05,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:05,126 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:38:05,126 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:05,127 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:38:05,127 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:38:05,127 INFO  L87              Difference]: Start difference. First operand 740 states and 961 transitions. Second operand  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2022-11-02 20:38:05,261 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:05,261 INFO  L93              Difference]: Finished difference Result 1278 states and 1694 transitions.
[2022-11-02 20:38:05,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-02 20:38:05,262 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 90
[2022-11-02 20:38:05,262 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:05,265 INFO  L225             Difference]: With dead ends: 1278
[2022-11-02 20:38:05,266 INFO  L226             Difference]: Without dead ends: 640
[2022-11-02 20:38:05,269 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2022-11-02 20:38:05,269 INFO  L413           NwaCegarLoop]: 129 mSDtfsCounter, 38 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:05,270 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 191 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:38:05,271 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 640 states.
[2022-11-02 20:38:05,345 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640.
[2022-11-02 20:38:05,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 640 states, 476 states have (on average 1.1680672268907564) internal successors, (556), 510 states have internal predecessors, (556), 85 states have call successors, (85), 67 states have call predecessors, (85), 78 states have return successors, (129), 85 states have call predecessors, (129), 85 states have call successors, (129)
[2022-11-02 20:38:05,350 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 770 transitions.
[2022-11-02 20:38:05,351 INFO  L78                 Accepts]: Start accepts. Automaton has 640 states and 770 transitions. Word has length 90
[2022-11-02 20:38:05,351 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:05,351 INFO  L495      AbstractCegarLoop]: Abstraction has 640 states and 770 transitions.
[2022-11-02 20:38:05,352 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2022-11-02 20:38:05,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 640 states and 770 transitions.
[2022-11-02 20:38:05,354 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2022-11-02 20:38:05,354 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:38:05,354 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:38:05,395 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:38:05,581 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2022-11-02 20:38:05,582 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:38:05,582 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:38:05,582 INFO  L85        PathProgramCache]: Analyzing trace with hash -1881348981, now seen corresponding path program 1 times
[2022-11-02 20:38:05,582 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:38:05,583 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125196414]
[2022-11-02 20:38:05,583 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:05,583 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:38:05,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,743 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2022-11-02 20:38:05,744 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,752 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2022-11-02 20:38:05,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,769 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-11-02 20:38:05,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,786 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2022-11-02 20:38:05,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,790 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2022-11-02 20:38:05,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,792 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2022-11-02 20:38:05,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,807 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75
[2022-11-02 20:38:05,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,810 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-11-02 20:38:05,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,811 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2022-11-02 20:38:05,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2022-11-02 20:38:05,813 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:38:05,814 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125196414]
[2022-11-02 20:38:05,814 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125196414] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:38:05,814 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375889526]
[2022-11-02 20:38:05,814 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:38:05,814 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:38:05,814 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:38:05,815 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:38:05,833 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-02 20:38:05,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:38:05,922 INFO  L263         TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-11-02 20:38:05,926 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:38:06,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2022-11-02 20:38:06,106 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:38:06,106 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375889526] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:38:06,106 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:38:06,106 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16
[2022-11-02 20:38:06,106 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81600439]
[2022-11-02 20:38:06,106 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:38:06,107 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:38:06,107 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:38:06,108 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:38:06,108 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240
[2022-11-02 20:38:06,108 INFO  L87              Difference]: Start difference. First operand 640 states and 770 transitions. Second operand  has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9)
[2022-11-02 20:38:06,274 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:38:06,275 INFO  L93              Difference]: Finished difference Result 1163 states and 1392 transitions.
[2022-11-02 20:38:06,275 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-11-02 20:38:06,275 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95
[2022-11-02 20:38:06,276 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:38:06,276 INFO  L225             Difference]: With dead ends: 1163
[2022-11-02 20:38:06,276 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 20:38:06,278 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342
[2022-11-02 20:38:06,279 INFO  L413           NwaCegarLoop]: 159 mSDtfsCounter, 45 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:38:06,280 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 744 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:38:06,280 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:38:06,280 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:38:06,280 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2022-11-02 20:38:06,281 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:38:06,281 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95
[2022-11-02 20:38:06,281 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:38:06,281 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:38:06,281 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9)
[2022-11-02 20:38:06,281 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:38:06,281 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:38:06,286 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:38:06,328 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:38:06,500 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:38:06,502 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:38:12,796 INFO  L895   garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 469 476) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 1 ~systemActive~0))) (or .cse0 (not (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0))))
[2022-11-02 20:38:12,796 INFO  L899   garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 469 476) no Hoare annotation was computed.
[2022-11-02 20:38:12,796 INFO  L899   garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 469 476) no Hoare annotation was computed.
[2022-11-02 20:38:12,797 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 402 408) no Hoare annotation was computed.
[2022-11-02 20:38:12,797 INFO  L902   garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 402 408) the Hoare annotation is: true
[2022-11-02 20:38:12,797 INFO  L895   garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse6) (or .cse5 .cse2 .cse4 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,797 INFO  L899   garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed.
[2022-11-02 20:38:12,797 INFO  L899   garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed.
[2022-11-02 20:38:12,797 INFO  L899   garLoopResultBuilder]: For program point L382-1(lines 381 400) no Hoare annotation was computed.
[2022-11-02 20:38:12,797 INFO  L899   garLoopResultBuilder]: For program point L444(lines 444 452) no Hoare annotation was computed.
[2022-11-02 20:38:12,797 INFO  L899   garLoopResultBuilder]: For program point L440(lines 440 457) no Hoare annotation was computed.
[2022-11-02 20:38:12,798 INFO  L899   garLoopResultBuilder]: For program point L279(lines 279 285) no Hoare annotation was computed.
[2022-11-02 20:38:12,798 INFO  L899   garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed.
[2022-11-02 20:38:12,798 INFO  L899   garLoopResultBuilder]: For program point timeShiftFINAL(lines 378 401) no Hoare annotation was computed.
[2022-11-02 20:38:12,798 INFO  L895   garLoopResultBuilder]: At program point L482(line 482) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3) (or .cse0 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,798 INFO  L899   garLoopResultBuilder]: For program point L482-1(line 482) no Hoare annotation was computed.
[2022-11-02 20:38:12,798 INFO  L895   garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and .cse11 .cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse1 .cse2 (and .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) .cse8 .cse7) (or .cse0 .cse7 (not (= 0 ~systemActive~0))) (or .cse2 .cse9 .cse8 .cse10 (not (<= 2 |old(~waterLevel~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse2 .cse9 .cse6) (or .cse1 .cse2 .cse9 .cse8 .cse10))))
[2022-11-02 20:38:12,798 INFO  L899   garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed.
[2022-11-02 20:38:12,799 INFO  L895   garLoopResultBuilder]: At program point L301(lines 296 303) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,799 INFO  L895   garLoopResultBuilder]: At program point L450(line 450) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,799 INFO  L895   garLoopResultBuilder]: At program point L446(line 446) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse6 (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse8 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse9)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse9)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse8)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse2 .cse5 .cse7) (or .cse0 .cse1 .cse2 .cse7) (or .cse4 .cse1 .cse2 .cse5 .cse3) (or .cse0 (not (= 0 ~systemActive~0))))))
[2022-11-02 20:38:12,799 INFO  L895   garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse0 .cse1 .cse3 .cse6) (or .cse5 .cse0 .cse1 .cse4 .cse6) (or .cse5 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,800 INFO  L895   garLoopResultBuilder]: At program point L455-1(lines 436 460) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse7 (and .cse11 .cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse1 .cse2 (and .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) .cse8 .cse7) (or .cse2 .cse9 .cse8 .cse10 (not (<= 2 |old(~waterLevel~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse2 .cse9 .cse6) (or .cse1 .cse2 .cse9 .cse8 .cse10) (or .cse0 (not (= 0 ~systemActive~0))))))
[2022-11-02 20:38:12,800 INFO  L895   garLoopResultBuilder]: At program point L484(lines 477 487) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 .cse3 (and .cse4 (= ~methAndRunningLastTime~0 0) .cse7)) (or .cse2 .cse5 .cse3 (and .cse4 .cse7) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,800 INFO  L899   garLoopResultBuilder]: For program point L389-1(lines 389 395) no Hoare annotation was computed.
[2022-11-02 20:38:12,800 INFO  L899   garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed.
[2022-11-02 20:38:12,800 INFO  L895   garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3) (or .cse0 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,800 INFO  L899   garLoopResultBuilder]: For program point L278(lines 278 288) no Hoare annotation was computed.
[2022-11-02 20:38:12,801 INFO  L899   garLoopResultBuilder]: For program point L274(lines 274 291) no Hoare annotation was computed.
[2022-11-02 20:38:12,801 INFO  L895   garLoopResultBuilder]: At program point L274-1(lines 266 294) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0)) (.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (<= 1 ~pumpRunning~0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (.cse5 (not .cse14)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse15)) (.cse8 (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse9 .cse10 .cse15 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse14))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 (and .cse9 .cse10 .cse11) .cse2) (or (and .cse12 .cse10 .cse13 .cse11 .cse3) .cse0 .cse4 .cse5 (and .cse9 .cse10 .cse11 .cse3) .cse1) (or .cse0 .cse4 .cse5 (and .cse12 .cse13 .cse11) .cse7 (and .cse9 .cse10 .cse14 .cse11)) (or .cse5 .cse6 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse3) (and .cse9 .cse10 .cse3)) (or .cse5 .cse6 .cse7 .cse8 (not (<= 2 |old(~waterLevel~0)|))))))
[2022-11-02 20:38:12,801 INFO  L895   garLoopResultBuilder]: At program point timeShiftENTRY(lines 378 401) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse6) (or .cse5 .cse6 (not (= 0 ~systemActive~0))) (or .cse5 .cse0 .cse1 .cse7 .cse6) (or .cse1 .cse2 .cse4 .cse7) (or .cse1 .cse2 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))))))
[2022-11-02 20:38:12,801 INFO  L895   garLoopResultBuilder]: At program point L493(lines 488 496) the Hoare annotation is: (let ((.cse12 (= 1 ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (and .cse10 .cse11 .cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse12)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and (<= 1 |timeShift_processEnvironment_~tmp~4#1|) .cse10 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse11 .cse12))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse5) .cse6 .cse7) (or .cse3 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse9 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse2 .cse8) (or .cse3 .cse4 .cse0 .cse2) (or .cse4 .cse0 .cse1 .cse6 .cse9))))
[2022-11-02 20:38:12,802 INFO  L899   garLoopResultBuilder]: For program point timeShiftEXIT(lines 378 401) no Hoare annotation was computed.
[2022-11-02 20:38:12,802 INFO  L899   garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed.
[2022-11-02 20:38:12,802 INFO  L902   garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: true
[2022-11-02 20:38:12,802 INFO  L899   garLoopResultBuilder]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed.
[2022-11-02 20:38:12,802 INFO  L902   garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: true
[2022-11-02 20:38:12,802 INFO  L899   garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed.
[2022-11-02 20:38:12,802 INFO  L902   garLoopResultBuilder]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true
[2022-11-02 20:38:12,802 INFO  L902   garLoopResultBuilder]: At program point L178(lines 153 182) the Hoare annotation is: true
[2022-11-02 20:38:12,802 INFO  L899   garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed.
[2022-11-02 20:38:12,802 INFO  L899   garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed.
[2022-11-02 20:38:12,803 INFO  L902   garLoopResultBuilder]: At program point L167-1(lines 167 171) the Hoare annotation is: true
[2022-11-02 20:38:12,803 INFO  L899   garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed.
[2022-11-02 20:38:12,803 INFO  L902   garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true
[2022-11-02 20:38:12,803 INFO  L899   garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed.
[2022-11-02 20:38:12,803 INFO  L899   garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed.
[2022-11-02 20:38:12,803 INFO  L902   garLoopResultBuilder]: At program point L225(lines 217 227) the Hoare annotation is: true
[2022-11-02 20:38:12,803 INFO  L902   garLoopResultBuilder]: At program point L250(lines 231 253) the Hoare annotation is: true
[2022-11-02 20:38:12,803 INFO  L895   garLoopResultBuilder]: At program point L564(lines 552 566) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0))
[2022-11-02 20:38:12,803 INFO  L899   garLoopResultBuilder]: For program point L556(lines 556 562) no Hoare annotation was computed.
[2022-11-02 20:38:12,803 INFO  L899   garLoopResultBuilder]: For program point L556-1(lines 556 562) no Hoare annotation was computed.
[2022-11-02 20:38:12,803 INFO  L895   garLoopResultBuilder]: At program point L263(lines 258 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:38:12,804 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:38:12,804 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:38:12,804 INFO  L899   garLoopResultBuilder]: For program point L317(lines 316 363) no Hoare annotation was computed.
[2022-11-02 20:38:12,804 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:38:12,804 INFO  L899   garLoopResultBuilder]: For program point L346(lines 346 359) no Hoare annotation was computed.
[2022-11-02 20:38:12,804 INFO  L895   garLoopResultBuilder]: At program point L598(lines 593 601) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:38:12,804 INFO  L895   garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0))))
[2022-11-02 20:38:12,804 INFO  L902   garLoopResultBuilder]: At program point L367(lines 306 371) the Hoare annotation is: true
[2022-11-02 20:38:12,804 INFO  L895   garLoopResultBuilder]: At program point L590(lines 586 592) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:38:12,804 INFO  L899   garLoopResultBuilder]: For program point L326(lines 326 332) no Hoare annotation was computed.
[2022-11-02 20:38:12,805 INFO  L899   garLoopResultBuilder]: For program point L326-1(lines 326 332) no Hoare annotation was computed.
[2022-11-02 20:38:12,805 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:38:12,805 INFO  L899   garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed.
[2022-11-02 20:38:12,805 INFO  L895   garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)))))
[2022-11-02 20:38:12,805 INFO  L895   garLoopResultBuilder]: At program point L364(lines 315 365) the Hoare annotation is: false
[2022-11-02 20:38:12,805 INFO  L895   garLoopResultBuilder]: At program point L583(lines 579 585) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:38:12,805 INFO  L899   garLoopResultBuilder]: For program point L352(lines 352 358) no Hoare annotation was computed.
[2022-11-02 20:38:12,805 INFO  L895   garLoopResultBuilder]: At program point L352-2(lines 346 359) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse5 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse6 .cse2 .cse3)))
[2022-11-02 20:38:12,805 INFO  L895   garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))
[2022-11-02 20:38:12,806 INFO  L899   garLoopResultBuilder]: For program point L241(lines 241 248) no Hoare annotation was computed.
[2022-11-02 20:38:12,806 INFO  L899   garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed.
[2022-11-02 20:38:12,806 INFO  L899   garLoopResultBuilder]: For program point L336-1(lines 336 342) no Hoare annotation was computed.
[2022-11-02 20:38:12,806 INFO  L899   garLoopResultBuilder]: For program point L241-2(lines 241 248) no Hoare annotation was computed.
[2022-11-02 20:38:12,806 INFO  L895   garLoopResultBuilder]: At program point L361(lines 316 363) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0))))
[2022-11-02 20:38:12,806 INFO  L895   garLoopResultBuilder]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse3 (= 0 ~systemActive~0))))
[2022-11-02 20:38:12,806 INFO  L895   garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 410 434) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0)))))
[2022-11-02 20:38:12,806 INFO  L895   garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse3 .cse1 .cse4) (or .cse2 .cse0 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (not (= ~methAndRunningLastTime~0 0))))))
[2022-11-02 20:38:12,807 INFO  L895   garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse0 .cse1)))
[2022-11-02 20:38:12,807 INFO  L895   garLoopResultBuilder]: At program point L548(lines 533 551) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse1 .cse3 .cse4) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))))))
[2022-11-02 20:38:12,807 INFO  L899   garLoopResultBuilder]: For program point L418(lines 418 426) no Hoare annotation was computed.
[2022-11-02 20:38:12,807 INFO  L899   garLoopResultBuilder]: For program point L414(lines 414 431) no Hoare annotation was computed.
[2022-11-02 20:38:12,807 INFO  L899   garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed.
[2022-11-02 20:38:12,807 INFO  L899   garLoopResultBuilder]: For program point L542-2(lines 542 546) no Hoare annotation was computed.
[2022-11-02 20:38:12,807 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 410 434) no Hoare annotation was computed.
[2022-11-02 20:38:12,807 INFO  L895   garLoopResultBuilder]: At program point L466(lines 461 468) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse0 .cse1)))
[2022-11-02 20:38:12,808 INFO  L895   garLoopResultBuilder]: At program point L429(line 429) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1)))
[2022-11-02 20:38:12,808 INFO  L899   garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed.
[2022-11-02 20:38:12,808 INFO  L899   garLoopResultBuilder]: For program point L429-1(lines 410 434) no Hoare annotation was computed.
[2022-11-02 20:38:12,808 INFO  L899   garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed.
[2022-11-02 20:38:12,808 INFO  L899   garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed.
[2022-11-02 20:38:12,808 INFO  L895   garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse3 .cse5 (not (= 0 ~systemActive~0))) (or .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse6 .cse3 .cse5)))
[2022-11-02 20:38:12,811 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:38:12,813 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:38:12,842 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:38:12 BoogieIcfgContainer
[2022-11-02 20:38:12,842 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:38:12,843 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:38:12,843 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:38:12,843 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:38:12,843 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:37:59" (3/4) ...
[2022-11-02 20:38:12,846 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:38:12,852 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2022-11-02 20:38:12,852 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2022-11-02 20:38:12,852 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2022-11-02 20:38:12,853 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2022-11-02 20:38:12,853 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2022-11-02 20:38:12,853 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2022-11-02 20:38:12,853 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor
[2022-11-02 20:38:12,853 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2022-11-02 20:38:12,859 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges
[2022-11-02 20:38:12,860 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2022-11-02 20:38:12,860 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:38:12,861 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:38:12,861 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:38:12,861 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:38:12,862 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:38:12,886 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
[2022-11-02 20:38:12,886 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && pumpRunning == 0) && 1 <= \result)) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && pumpRunning == 0) && 1 <= \result))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
[2022-11-02 20:38:12,887 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive)) || tmp == 0) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive))) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) || !(2 <= \old(waterLevel)))
[2022-11-02 20:38:12,887 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
[2022-11-02 20:38:12,888 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0) && 1 == systemActive))
[2022-11-02 20:38:12,888 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))
[2022-11-02 20:38:12,889 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
[2022-11-02 20:38:12,889 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(methAndRunningLastTime == 0))
[2022-11-02 20:38:12,889 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))
[2022-11-02 20:38:12,910 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:38:12,910 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:38:12,911 INFO  L158              Benchmark]: Toolchain (without parser) took 15100.26ms. Allocated memory was 109.1MB in the beginning and 207.6MB in the end (delta: 98.6MB). Free memory was 66.9MB in the beginning and 100.7MB in the end (delta: -33.8MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB.
[2022-11-02 20:38:12,911 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:38:12,912 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 577.03ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 75.7MB in the end (delta: -9.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:38:12,912 INFO  L158              Benchmark]: Boogie Procedure Inliner took 72.23ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 73.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:38:12,912 INFO  L158              Benchmark]: Boogie Preprocessor took 28.99ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:38:12,913 INFO  L158              Benchmark]: RCFGBuilder took 548.97ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 52.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-11-02 20:38:12,913 INFO  L158              Benchmark]: TraceAbstraction took 13799.05ms. Allocated memory was 109.1MB in the beginning and 207.6MB in the end (delta: 98.6MB). Free memory was 52.1MB in the beginning and 107.0MB in the end (delta: -55.0MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB.
[2022-11-02 20:38:12,914 INFO  L158              Benchmark]: Witness Printer took 68.00ms. Allocated memory is still 207.6MB. Free memory was 107.0MB in the beginning and 100.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:38:12,915 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 577.03ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 75.7MB in the end (delta: -9.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 72.23ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 73.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 28.99ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 548.97ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 52.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 13799.05ms. Allocated memory was 109.1MB in the beginning and 207.6MB in the end (delta: 98.6MB). Free memory was 52.1MB in the beginning and 107.0MB in the end (delta: -55.0MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB.
 * Witness Printer took 68.00ms. Allocated memory is still 207.6MB. Free memory was 107.0MB in the beginning and 100.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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
  - PositiveResult [Line: 300]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1661 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1631 mSDsluCounter, 3265 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1922 mSDsCounter, 609 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1753 IncrementalHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 609 mSolverCounterUnsat, 1343 mSDtfsCounter, 1753 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 381 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1533occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 541 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 2171 PreInvPairs, 2420 NumberOfFragments, 2652 HoareAnnotationTreeSize, 2171 FomulaSimplifications, 932 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 43 FomulaSimplificationsInter, 17184 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 801 NumberOfCodeBlocks, 801 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 787 ConstructedInterpolants, 0 QuantifiedInterpolants, 1485 SizeOfPredicates, 5 NumberOfNonLiveVariables, 935 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 141/157 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
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 136]: Loop Invariant
    Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))
  - InvariantResult [Line: 461]: Loop Invariant
    Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))
  - InvariantResult [Line: 163]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 296]: Loop Invariant
    Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
  - InvariantResult [Line: 231]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 217]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 208]: Loop Invariant
    Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1
  - InvariantResult [Line: 533]: Loop Invariant
    Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(methAndRunningLastTime == 0))
  - InvariantResult [Line: 316]: Loop Invariant
    Derived loop invariant: (((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 0 == systemActive)
  - InvariantResult [Line: 258]: Loop Invariant
    Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1
  - InvariantResult [Line: 488]: Loop Invariant
    Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0) && 1 == systemActive))
  - InvariantResult [Line: 266]: Loop Invariant
    Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive)) || tmp == 0) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive))) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) || !(2 <= \old(waterLevel)))
  - InvariantResult [Line: 579]: Loop Invariant
    Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1
  - InvariantResult [Line: 315]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 436]: Loop Invariant
    Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && pumpRunning == 0) && 1 <= \result)) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((1 <= tmp && pumpRunning == 0) && 1 <= \result))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
  - InvariantResult [Line: 586]: Loop Invariant
    Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1
  - InvariantResult [Line: 153]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 593]: Loop Invariant
    Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1
  - InvariantResult [Line: 306]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 59]: Loop Invariant
    Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
  - InvariantResult [Line: 552]: Loop Invariant
    Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive
  - InvariantResult [Line: 477]: Loop Invariant
    Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:38:12,976 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4005f83-dc32-4af3-adc9-b1a6caeb550b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE