./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 839c364b
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa
--- Real Ultimate output ---
This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364
[2021-12-14 16:47:16,642 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-12-14 16:47:16,644 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-14 16:47:16,689 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-14 16:47:16,689 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-14 16:47:16,692 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-14 16:47:16,694 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-14 16:47:16,697 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-14 16:47:16,698 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-14 16:47:16,703 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-14 16:47:16,704 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-12-14 16:47:16,705 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-14 16:47:16,706 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-14 16:47:16,708 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-14 16:47:16,710 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-14 16:47:16,714 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-14 16:47:16,715 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-14 16:47:16,716 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-14 16:47:16,718 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-14 16:47:16,724 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-14 16:47:16,726 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-14 16:47:16,727 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-14 16:47:16,729 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-12-14 16:47:16,729 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-14 16:47:16,736 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-14 16:47:16,736 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-14 16:47:16,737 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-14 16:47:16,739 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-14 16:47:16,739 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-14 16:47:16,740 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-14 16:47:16,741 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-14 16:47:16,742 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-14 16:47:16,743 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-14 16:47:16,744 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-14 16:47:16,747 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-14 16:47:16,747 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-14 16:47:16,748 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-14 16:47:16,748 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-14 16:47:16,748 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-14 16:47:16,749 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-14 16:47:16,750 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-12-14 16:47:16,751 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-12-14 16:47:16,796 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-12-14 16:47:16,796 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-14 16:47:16,797 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-14 16:47:16,797 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-14 16:47:16,798 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-12-14 16:47:16,799 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-12-14 16:47:16,799 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-14 16:47:16,799 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-12-14 16:47:16,799 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-12-14 16:47:16,800 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-14 16:47:16,801 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-12-14 16:47:16,801 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-12-14 16:47:16,801 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-12-14 16:47:16,801 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-12-14 16:47:16,801 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-12-14 16:47:16,802 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-12-14 16:47:16,802 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-12-14 16:47:16,802 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-12-14 16:47:16,802 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-12-14 16:47:16,802 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-12-14 16:47:16,802 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-12-14 16:47:16,803 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-14 16:47:16,803 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-12-14 16:47:16,803 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-12-14 16:47:16,803 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-14 16:47:16,803 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-14 16:47:16,804 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-12-14 16:47:16,804 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-12-14 16:47:16,804 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-12-14 16:47:16,804 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-12-14 16:47:16,804 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-12-14 16:47:16,804 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-12-14 16:47:16,805 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-12-14 16:47:16,805 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-12-14 16:47:16,805 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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 -> 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa
[2021-12-14 16:47:17,114 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-14 16:47:17,140 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-14 16:47:17,143 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-14 16:47:17,144 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-12-14 16:47:17,145 INFO  L275        PluginConnector]: CDTParser initialized
[2021-12-14 16:47:17,146 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-subst.wvr.c
[2021-12-14 16:47:17,210 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de85e5f0c/01fb6dfdee924bf48a26e6a5d63c2a2d/FLAG5ec760617
[2021-12-14 16:47:17,655 INFO  L306              CDTParser]: Found 1 translation units.
[2021-12-14 16:47:17,656 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c
[2021-12-14 16:47:17,669 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de85e5f0c/01fb6dfdee924bf48a26e6a5d63c2a2d/FLAG5ec760617
[2021-12-14 16:47:18,047 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de85e5f0c/01fb6dfdee924bf48a26e6a5d63c2a2d
[2021-12-14 16:47:18,049 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-14 16:47:18,052 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-14 16:47:18,055 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-14 16:47:18,055 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-14 16:47:18,058 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-14 16:47:18,058 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,059 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29102f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18, skipping insertion in model container
[2021-12-14 16:47:18,060 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,066 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-12-14 16:47:18,089 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-12-14 16:47:18,240 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030]
[2021-12-14 16:47:18,248 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-14 16:47:18,256 INFO  L203         MainTranslator]: Completed pre-run
[2021-12-14 16:47:18,288 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030]
[2021-12-14 16:47:18,290 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-14 16:47:18,303 INFO  L208         MainTranslator]: Completed translation
[2021-12-14 16:47:18,303 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18 WrapperNode
[2021-12-14 16:47:18,304 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-14 16:47:18,305 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-14 16:47:18,306 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-14 16:47:18,306 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-14 16:47:18,312 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,334 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,373 INFO  L137                Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 254
[2021-12-14 16:47:18,380 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-14 16:47:18,381 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-14 16:47:18,381 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-14 16:47:18,381 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-12-14 16:47:18,388 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,389 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,401 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,406 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,427 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,430 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,432 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,436 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-14 16:47:18,436 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-14 16:47:18,437 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-12-14 16:47:18,437 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-12-14 16:47:18,438 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (1/1) ...
[2021-12-14 16:47:18,453 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-14 16:47:18,466 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-14 16:47:18,481 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-12-14 16:47:18,494 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-12-14 16:47:18,528 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-14 16:47:18,529 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-12-14 16:47:18,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-12-14 16:47:18,529 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-12-14 16:47:18,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-12-14 16:47:18,529 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-12-14 16:47:18,530 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-12-14 16:47:18,530 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-14 16:47:18,530 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-12-14 16:47:18,531 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-12-14 16:47:18,531 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-14 16:47:18,531 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-14 16:47:18,531 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-12-14 16:47:18,531 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-12-14 16:47:18,533 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-12-14 16:47:18,646 INFO  L236             CfgBuilder]: Building ICFG
[2021-12-14 16:47:18,648 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-14 16:47:19,006 INFO  L277             CfgBuilder]: Performing block encoding
[2021-12-14 16:47:19,019 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-14 16:47:19,019 INFO  L301             CfgBuilder]: Removed 0 assume(true) statements.
[2021-12-14 16:47:19,021 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:19 BoogieIcfgContainer
[2021-12-14 16:47:19,022 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-14 16:47:19,023 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-12-14 16:47:19,023 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-12-14 16:47:19,026 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-12-14 16:47:19,027 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:47:18" (1/3) ...
[2021-12-14 16:47:19,028 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc0e5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:19, skipping insertion in model container
[2021-12-14 16:47:19,028 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:18" (2/3) ...
[2021-12-14 16:47:19,028 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc0e5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:19, skipping insertion in model container
[2021-12-14 16:47:19,028 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:19" (3/3) ...
[2021-12-14 16:47:19,029 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c
[2021-12-14 16:47:19,034 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-12-14 16:47:19,034 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-12-14 16:47:19,035 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-12-14 16:47:19,035 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-12-14 16:47:19,074 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,075 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,075 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,076 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,077 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,078 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,079 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,080 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,081 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,082 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,083 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,084 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,085 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,086 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,086 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,087 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,088 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,088 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,088 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,088 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,088 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,089 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,090 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,091 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,092 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,093 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,094 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,095 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,096 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,097 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,098 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,098 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,098 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,118 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,118 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,130 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,131 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,131 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,131 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,131 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,131 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,131 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,132 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,132 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,132 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,132 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,132 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,132 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,132 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,133 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,133 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,133 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,133 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,133 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,133 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,134 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,135 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,136 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,137 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,138 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,139 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,140 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,140 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,140 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,140 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,140 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,140 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,141 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,141 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,141 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,141 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,141 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,141 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,142 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,142 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,142 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,142 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,142 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,142 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,143 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,143 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,143 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,143 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,143 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,143 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,147 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,147 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,147 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,147 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,147 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,147 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,151 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,151 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,151 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,151 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,151 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,151 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,152 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,152 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,152 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,152 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,152 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,152 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,153 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,153 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,153 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,153 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,153 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,156 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,156 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,156 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,156 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,156 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,156 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,157 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,157 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,157 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,157 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,157 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,157 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,158 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,158 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,158 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,158 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,158 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,158 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,159 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,159 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,159 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,159 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,159 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,159 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,159 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,160 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,160 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,160 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,160 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,160 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,160 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,160 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,161 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,161 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,161 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,161 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,162 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,163 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,164 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,165 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,166 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,167 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,168 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,169 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,170 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,171 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,172 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,173 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,174 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,175 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,176 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,176 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,176 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,176 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,176 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,176 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,176 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,177 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,177 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,177 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,177 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,177 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,177 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,178 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,178 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,178 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,178 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,178 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,178 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,179 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,179 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,179 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,179 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,179 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,179 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,180 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,180 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,180 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,180 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,180 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,180 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,180 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,181 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,181 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,181 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,181 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,181 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,181 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,181 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,182 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,182 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,182 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,182 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,182 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,182 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,183 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,183 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,183 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,183 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,183 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,183 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,184 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,184 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,184 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,184 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,184 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,184 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,185 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,185 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,185 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,185 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,185 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,185 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,185 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,186 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,186 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,186 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,186 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,186 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,186 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,186 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,187 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,187 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,187 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,187 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,187 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,187 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,187 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,188 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,188 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,188 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,188 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,188 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,188 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,188 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,189 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,189 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,189 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,189 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,189 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,189 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,189 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,190 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,190 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,190 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,190 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,190 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,190 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,190 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,195 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,196 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,196 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,196 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,196 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,196 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,196 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,196 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,197 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,197 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,197 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,197 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,197 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,198 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,198 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,198 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,198 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,203 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,203 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,203 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,203 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,203 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,203 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,204 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,204 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,204 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,204 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,204 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,204 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,205 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,205 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,205 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,205 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,205 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,206 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,206 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,207 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,208 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,209 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-14 16:47:19,218 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-12-14 16:47:19,270 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-12-14 16:47:19,286 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR
[2021-12-14 16:47:19,286 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-12-14 16:47:19,315 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 333 places, 349 transitions, 722 flow
[2021-12-14 16:47:19,483 INFO  L129       PetriNetUnfolder]: 26/346 cut-off events.
[2021-12-14 16:47:19,484 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-14 16:47:19,504 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 359 conditions, 346 events. 26/346 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 633 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 256. Up to 2 conditions per place. 
[2021-12-14 16:47:19,505 INFO  L82        GeneralOperation]: Start removeDead. Operand has 333 places, 349 transitions, 722 flow
[2021-12-14 16:47:19,516 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 319 places, 335 transitions, 688 flow
[2021-12-14 16:47:19,591 INFO  L129       PetriNetUnfolder]: 26/334 cut-off events.
[2021-12-14 16:47:19,591 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-14 16:47:19,592 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:19,593 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1]
[2021-12-14 16:47:19,594 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:19,599 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:19,600 INFO  L85        PathProgramCache]: Analyzing trace with hash -742994273, now seen corresponding path program 1 times
[2021-12-14 16:47:19,608 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:19,608 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834865598]
[2021-12-14 16:47:19,608 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:19,609 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:19,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:20,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:20,239 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:20,239 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834865598]
[2021-12-14 16:47:20,240 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834865598] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:20,240 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:20,240 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-14 16:47:20,242 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561543785]
[2021-12-14 16:47:20,242 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:20,257 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-14 16:47:20,258 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:20,288 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-14 16:47:20,290 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-14 16:47:20,297 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 313 out of 349
[2021-12-14 16:47:20,307 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 335 transitions, 688 flow. Second operand  has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:20,307 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:20,308 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 349
[2021-12-14 16:47:20,309 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:20,557 INFO  L129       PetriNetUnfolder]: 31/543 cut-off events.
[2021-12-14 16:47:20,557 INFO  L130       PetriNetUnfolder]: For 33/39 co-relation queries the response was YES.
[2021-12-14 16:47:20,563 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 638 conditions, 543 events. 31/543 cut-off events. For 33/39 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1602 event pairs, 6 based on Foata normal form. 77/572 useless extension candidates. Maximal degree in co-relation 509. Up to 31 conditions per place. 
[2021-12-14 16:47:20,568 INFO  L132   encePairwiseOnDemand]: 327/349 looper letters, 26 selfloop transitions, 3 changer transitions 7/336 dead transitions.
[2021-12-14 16:47:20,568 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 336 transitions, 789 flow
[2021-12-14 16:47:20,570 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-12-14 16:47:20,572 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-12-14 16:47:20,586 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2580 transitions.
[2021-12-14 16:47:20,591 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9240687679083095
[2021-12-14 16:47:20,592 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 2580 transitions.
[2021-12-14 16:47:20,593 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 2580 transitions.
[2021-12-14 16:47:20,598 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:20,600 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2580 transitions.
[2021-12-14 16:47:20,610 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 322.5) internal successors, (2580), 8 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:20,624 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 349.0) internal successors, (3141), 9 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:20,626 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 349.0) internal successors, (3141), 9 states have internal predecessors, (3141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:20,628 INFO  L186             Difference]: Start difference. First operand has 319 places, 335 transitions, 688 flow. Second operand 8 states and 2580 transitions.
[2021-12-14 16:47:20,629 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 336 transitions, 789 flow
[2021-12-14 16:47:20,635 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 336 transitions, 759 flow, removed 0 selfloop flow, removed 6 redundant places.
[2021-12-14 16:47:20,644 INFO  L242             Difference]: Finished difference. Result has 325 places, 321 transitions, 669 flow
[2021-12-14 16:47:20,646 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=669, PETRI_PLACES=325, PETRI_TRANSITIONS=321}
[2021-12-14 16:47:20,650 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 6 predicate places.
[2021-12-14 16:47:20,650 INFO  L470      AbstractCegarLoop]: Abstraction has has 325 places, 321 transitions, 669 flow
[2021-12-14 16:47:20,652 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:20,652 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:20,652 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1]
[2021-12-14 16:47:20,653 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-12-14 16:47:20,653 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:20,654 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:20,654 INFO  L85        PathProgramCache]: Analyzing trace with hash 1186332343, now seen corresponding path program 1 times
[2021-12-14 16:47:20,654 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:20,654 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609824713]
[2021-12-14 16:47:20,654 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:20,655 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:20,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:20,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:20,948 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:20,948 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609824713]
[2021-12-14 16:47:20,948 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609824713] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:20,948 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:20,948 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-14 16:47:20,949 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313445468]
[2021-12-14 16:47:20,949 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:20,950 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-14 16:47:20,951 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:20,951 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-14 16:47:20,952 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-12-14 16:47:20,955 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:20,957 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 321 transitions, 669 flow. Second operand  has 7 states, 7 states have (on average 312.85714285714283) internal successors, (2190), 7 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:20,958 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:20,958 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:20,958 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:21,230 INFO  L129       PetriNetUnfolder]: 54/751 cut-off events.
[2021-12-14 16:47:21,230 INFO  L130       PetriNetUnfolder]: For 26/44 co-relation queries the response was YES.
[2021-12-14 16:47:21,239 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 916 conditions, 751 events. 54/751 cut-off events. For 26/44 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3042 event pairs, 18 based on Foata normal form. 1/683 useless extension candidates. Maximal degree in co-relation 893. Up to 64 conditions per place. 
[2021-12-14 16:47:21,242 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 33 selfloop transitions, 5 changer transitions 6/341 dead transitions.
[2021-12-14 16:47:21,242 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 341 transitions, 818 flow
[2021-12-14 16:47:21,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-14 16:47:21,243 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-14 16:47:21,246 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2833 transitions.
[2021-12-14 16:47:21,248 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9019420566698504
[2021-12-14 16:47:21,248 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2833 transitions.
[2021-12-14 16:47:21,248 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2833 transitions.
[2021-12-14 16:47:21,249 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:21,250 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2833 transitions.
[2021-12-14 16:47:21,255 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 10 states, 9 states have (on average 314.77777777777777) internal successors, (2833), 9 states have internal predecessors, (2833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,261 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,263 INFO  L81            ComplementDD]: Finished complementDD. Result  has 10 states, 10 states have (on average 349.0) internal successors, (3490), 10 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,263 INFO  L186             Difference]: Start difference. First operand has 325 places, 321 transitions, 669 flow. Second operand 9 states and 2833 transitions.
[2021-12-14 16:47:21,263 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 341 transitions, 818 flow
[2021-12-14 16:47:21,266 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 341 transitions, 811 flow, removed 3 selfloop flow, removed 3 redundant places.
[2021-12-14 16:47:21,270 INFO  L242             Difference]: Finished difference. Result has 332 places, 323 transitions, 697 flow
[2021-12-14 16:47:21,271 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=697, PETRI_PLACES=332, PETRI_TRANSITIONS=323}
[2021-12-14 16:47:21,272 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 13 predicate places.
[2021-12-14 16:47:21,272 INFO  L470      AbstractCegarLoop]: Abstraction has has 332 places, 323 transitions, 697 flow
[2021-12-14 16:47:21,273 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 312.85714285714283) internal successors, (2190), 7 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,273 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:21,274 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1]
[2021-12-14 16:47:21,274 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-12-14 16:47:21,274 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:21,274 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:21,275 INFO  L85        PathProgramCache]: Analyzing trace with hash 1589507655, now seen corresponding path program 1 times
[2021-12-14 16:47:21,275 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:21,275 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024852025]
[2021-12-14 16:47:21,275 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:21,275 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:21,359 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:21,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:21,466 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:21,466 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024852025]
[2021-12-14 16:47:21,466 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024852025] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:21,466 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:21,467 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-14 16:47:21,467 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231113214]
[2021-12-14 16:47:21,467 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:21,468 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-14 16:47:21,468 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:21,468 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-14 16:47:21,469 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2021-12-14 16:47:21,472 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 307 out of 349
[2021-12-14 16:47:21,475 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 323 transitions, 697 flow. Second operand  has 8 states, 8 states have (on average 309.75) internal successors, (2478), 8 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,475 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:21,475 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 349
[2021-12-14 16:47:21,475 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:21,813 INFO  L129       PetriNetUnfolder]: 67/775 cut-off events.
[2021-12-14 16:47:21,813 INFO  L130       PetriNetUnfolder]: For 51/77 co-relation queries the response was YES.
[2021-12-14 16:47:21,821 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 775 events. 67/775 cut-off events. For 51/77 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3273 event pairs, 26 based on Foata normal form. 1/704 useless extension candidates. Maximal degree in co-relation 1013. Up to 84 conditions per place. 
[2021-12-14 16:47:21,825 INFO  L132   encePairwiseOnDemand]: 338/349 looper letters, 41 selfloop transitions, 8 changer transitions 8/351 dead transitions.
[2021-12-14 16:47:21,826 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 351 transitions, 904 flow
[2021-12-14 16:47:21,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-12-14 16:47:21,826 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-12-14 16:47:21,831 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3738 transitions.
[2021-12-14 16:47:21,834 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8925501432664756
[2021-12-14 16:47:21,834 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 3738 transitions.
[2021-12-14 16:47:21,834 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 3738 transitions.
[2021-12-14 16:47:21,836 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:21,836 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3738 transitions.
[2021-12-14 16:47:21,845 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 13 states, 12 states have (on average 311.5) internal successors, (3738), 12 states have internal predecessors, (3738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,852 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,854 INFO  L81            ComplementDD]: Finished complementDD. Result  has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,854 INFO  L186             Difference]: Start difference. First operand has 332 places, 323 transitions, 697 flow. Second operand 12 states and 3738 transitions.
[2021-12-14 16:47:21,854 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 351 transitions, 904 flow
[2021-12-14 16:47:21,859 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 351 transitions, 885 flow, removed 9 selfloop flow, removed 5 redundant places.
[2021-12-14 16:47:21,865 INFO  L242             Difference]: Finished difference. Result has 343 places, 325 transitions, 729 flow
[2021-12-14 16:47:21,866 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=729, PETRI_PLACES=343, PETRI_TRANSITIONS=325}
[2021-12-14 16:47:21,868 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 24 predicate places.
[2021-12-14 16:47:21,868 INFO  L470      AbstractCegarLoop]: Abstraction has has 343 places, 325 transitions, 729 flow
[2021-12-14 16:47:21,869 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 309.75) internal successors, (2478), 8 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:21,869 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:21,869 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:21,870 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-12-14 16:47:21,870 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:21,871 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:21,871 INFO  L85        PathProgramCache]: Analyzing trace with hash -232079166, now seen corresponding path program 1 times
[2021-12-14 16:47:21,871 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:21,872 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678264084]
[2021-12-14 16:47:21,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:21,872 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:21,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:22,044 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:22,044 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:22,044 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678264084]
[2021-12-14 16:47:22,045 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678264084] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:22,045 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:22,045 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-12-14 16:47:22,046 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239761750]
[2021-12-14 16:47:22,046 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:22,046 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-12-14 16:47:22,047 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:22,048 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-12-14 16:47:22,051 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2021-12-14 16:47:22,055 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 304 out of 349
[2021-12-14 16:47:22,058 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 325 transitions, 729 flow. Second operand  has 9 states, 9 states have (on average 306.6666666666667) internal successors, (2760), 9 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:22,058 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:22,058 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 349
[2021-12-14 16:47:22,058 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:22,478 INFO  L129       PetriNetUnfolder]: 88/957 cut-off events.
[2021-12-14 16:47:22,479 INFO  L130       PetriNetUnfolder]: For 96/130 co-relation queries the response was YES.
[2021-12-14 16:47:22,492 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1334 conditions, 957 events. 88/957 cut-off events. For 96/130 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4751 event pairs, 36 based on Foata normal form. 1/868 useless extension candidates. Maximal degree in co-relation 1301. Up to 109 conditions per place. 
[2021-12-14 16:47:22,496 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 48 selfloop transitions, 10 changer transitions 10/359 dead transitions.
[2021-12-14 16:47:22,497 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 359 transitions, 984 flow
[2021-12-14 16:47:22,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-12-14 16:47:22,497 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-12-14 16:47:22,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4319 transitions.
[2021-12-14 16:47:22,505 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8839541547277937
[2021-12-14 16:47:22,505 INFO  L72            ComplementDD]: Start complementDD. Operand 14 states and 4319 transitions.
[2021-12-14 16:47:22,505 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 14 states and 4319 transitions.
[2021-12-14 16:47:22,508 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:22,508 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4319 transitions.
[2021-12-14 16:47:22,515 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 15 states, 14 states have (on average 308.5) internal successors, (4319), 14 states have internal predecessors, (4319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:22,524 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:22,526 INFO  L81            ComplementDD]: Finished complementDD. Result  has 15 states, 15 states have (on average 349.0) internal successors, (5235), 15 states have internal predecessors, (5235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:22,527 INFO  L186             Difference]: Start difference. First operand has 343 places, 325 transitions, 729 flow. Second operand 14 states and 4319 transitions.
[2021-12-14 16:47:22,527 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 359 transitions, 984 flow
[2021-12-14 16:47:22,531 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 359 transitions, 950 flow, removed 16 selfloop flow, removed 7 redundant places.
[2021-12-14 16:47:22,573 INFO  L242             Difference]: Finished difference. Result has 354 places, 327 transitions, 760 flow
[2021-12-14 16:47:22,574 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=760, PETRI_PLACES=354, PETRI_TRANSITIONS=327}
[2021-12-14 16:47:22,575 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 35 predicate places.
[2021-12-14 16:47:22,575 INFO  L470      AbstractCegarLoop]: Abstraction has has 354 places, 327 transitions, 760 flow
[2021-12-14 16:47:22,576 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 306.6666666666667) internal successors, (2760), 9 states have internal predecessors, (2760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:22,577 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:22,577 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:22,577 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-12-14 16:47:22,577 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:22,578 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:22,578 INFO  L85        PathProgramCache]: Analyzing trace with hash 1840379948, now seen corresponding path program 1 times
[2021-12-14 16:47:22,578 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:22,578 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915111809]
[2021-12-14 16:47:22,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:22,579 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:22,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:22,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:22,726 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:22,727 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915111809]
[2021-12-14 16:47:22,727 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915111809] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:22,727 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:22,727 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-14 16:47:22,727 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985550422]
[2021-12-14 16:47:22,727 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:22,728 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-14 16:47:22,728 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:22,729 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-14 16:47:22,729 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-14 16:47:22,732 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-14 16:47:22,735 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 327 transitions, 760 flow. Second operand  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:22,735 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:22,736 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-14 16:47:22,736 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:23,119 INFO  L129       PetriNetUnfolder]: 179/969 cut-off events.
[2021-12-14 16:47:23,120 INFO  L130       PetriNetUnfolder]: For 127/143 co-relation queries the response was YES.
[2021-12-14 16:47:23,129 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 1392 conditions, 969 events. 179/969 cut-off events. For 127/143 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5687 event pairs, 66 based on Foata normal form. 5/899 useless extension candidates. Maximal degree in co-relation 1328. Up to 154 conditions per place. 
[2021-12-14 16:47:23,134 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 49 selfloop transitions, 3 changer transitions 26/381 dead transitions.
[2021-12-14 16:47:23,135 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 381 transitions, 1058 flow
[2021-12-14 16:47:23,135 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-12-14 16:47:23,135 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-12-14 16:47:23,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4083 transitions.
[2021-12-14 16:47:23,143 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.899933877011241
[2021-12-14 16:47:23,144 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 4083 transitions.
[2021-12-14 16:47:23,144 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 4083 transitions.
[2021-12-14 16:47:23,146 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:23,146 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4083 transitions.
[2021-12-14 16:47:23,154 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 314.0769230769231) internal successors, (4083), 13 states have internal predecessors, (4083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,161 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,162 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,163 INFO  L186             Difference]: Start difference. First operand has 354 places, 327 transitions, 760 flow. Second operand 13 states and 4083 transitions.
[2021-12-14 16:47:23,163 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 381 transitions, 1058 flow
[2021-12-14 16:47:23,166 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 381 transitions, 1012 flow, removed 22 selfloop flow, removed 9 redundant places.
[2021-12-14 16:47:23,171 INFO  L242             Difference]: Finished difference. Result has 360 places, 329 transitions, 769 flow
[2021-12-14 16:47:23,171 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=769, PETRI_PLACES=360, PETRI_TRANSITIONS=329}
[2021-12-14 16:47:23,172 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places.
[2021-12-14 16:47:23,172 INFO  L470      AbstractCegarLoop]: Abstraction has has 360 places, 329 transitions, 769 flow
[2021-12-14 16:47:23,173 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,173 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:23,174 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:23,174 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-12-14 16:47:23,174 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:23,174 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:23,175 INFO  L85        PathProgramCache]: Analyzing trace with hash -27308194, now seen corresponding path program 2 times
[2021-12-14 16:47:23,175 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:23,175 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141533294]
[2021-12-14 16:47:23,175 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:23,175 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:23,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:23,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:23,340 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:23,340 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141533294]
[2021-12-14 16:47:23,340 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141533294] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:23,341 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:23,341 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-14 16:47:23,341 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961806770]
[2021-12-14 16:47:23,341 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:23,342 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-14 16:47:23,342 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:23,342 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-14 16:47:23,342 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-14 16:47:23,346 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-14 16:47:23,348 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 329 transitions, 769 flow. Second operand  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,348 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:23,348 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-14 16:47:23,348 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:23,810 INFO  L129       PetriNetUnfolder]: 255/1411 cut-off events.
[2021-12-14 16:47:23,811 INFO  L130       PetriNetUnfolder]: For 780/805 co-relation queries the response was YES.
[2021-12-14 16:47:23,827 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2497 conditions, 1411 events. 255/1411 cut-off events. For 780/805 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 10442 event pairs, 130 based on Foata normal form. 1/1299 useless extension candidates. Maximal degree in co-relation 2451. Up to 257 conditions per place. 
[2021-12-14 16:47:23,835 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 56 selfloop transitions, 3 changer transitions 25/387 dead transitions.
[2021-12-14 16:47:23,836 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 387 transitions, 1182 flow
[2021-12-14 16:47:23,836 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-12-14 16:47:23,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-12-14 16:47:23,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4081 transitions.
[2021-12-14 16:47:23,845 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8994930570861803
[2021-12-14 16:47:23,845 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 4081 transitions.
[2021-12-14 16:47:23,845 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 4081 transitions.
[2021-12-14 16:47:23,847 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:23,848 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4081 transitions.
[2021-12-14 16:47:23,856 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 14 states, 13 states have (on average 313.9230769230769) internal successors, (4081), 13 states have internal predecessors, (4081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,864 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,865 INFO  L81            ComplementDD]: Finished complementDD. Result  has 14 states, 14 states have (on average 349.0) internal successors, (4886), 14 states have internal predecessors, (4886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,865 INFO  L186             Difference]: Start difference. First operand has 360 places, 329 transitions, 769 flow. Second operand 13 states and 4081 transitions.
[2021-12-14 16:47:23,866 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 387 transitions, 1182 flow
[2021-12-14 16:47:23,872 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 387 transitions, 1140 flow, removed 19 selfloop flow, removed 7 redundant places.
[2021-12-14 16:47:23,877 INFO  L242             Difference]: Finished difference. Result has 368 places, 331 transitions, 803 flow
[2021-12-14 16:47:23,877 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=803, PETRI_PLACES=368, PETRI_TRANSITIONS=331}
[2021-12-14 16:47:23,878 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 49 predicate places.
[2021-12-14 16:47:23,879 INFO  L470      AbstractCegarLoop]: Abstraction has has 368 places, 331 transitions, 803 flow
[2021-12-14 16:47:23,879 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:23,880 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:23,880 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:23,880 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-12-14 16:47:23,880 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:23,881 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:23,881 INFO  L85        PathProgramCache]: Analyzing trace with hash 157564496, now seen corresponding path program 3 times
[2021-12-14 16:47:23,881 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:23,882 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659389911]
[2021-12-14 16:47:23,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:23,882 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:23,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:24,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:24,036 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:24,036 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659389911]
[2021-12-14 16:47:24,036 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659389911] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:24,036 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:24,037 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-14 16:47:24,037 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670385253]
[2021-12-14 16:47:24,037 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:24,038 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-14 16:47:24,038 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:24,038 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-14 16:47:24,039 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-12-14 16:47:24,042 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-14 16:47:24,044 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 331 transitions, 803 flow. Second operand  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:24,044 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:24,044 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-14 16:47:24,045 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:24,513 INFO  L129       PetriNetUnfolder]: 270/1432 cut-off events.
[2021-12-14 16:47:24,514 INFO  L130       PetriNetUnfolder]: For 1504/1523 co-relation queries the response was YES.
[2021-12-14 16:47:24,533 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2904 conditions, 1432 events. 270/1432 cut-off events. For 1504/1523 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10660 event pairs, 163 based on Foata normal form. 1/1312 useless extension candidates. Maximal degree in co-relation 2853. Up to 350 conditions per place. 
[2021-12-14 16:47:24,542 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 38 selfloop transitions, 8 changer transitions 20/369 dead transitions.
[2021-12-14 16:47:24,542 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 369 transitions, 1143 flow
[2021-12-14 16:47:24,542 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-12-14 16:47:24,542 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-12-14 16:47:24,548 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3759 transitions.
[2021-12-14 16:47:24,550 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8975644699140402
[2021-12-14 16:47:24,550 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 3759 transitions.
[2021-12-14 16:47:24,550 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 3759 transitions.
[2021-12-14 16:47:24,552 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:24,552 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3759 transitions.
[2021-12-14 16:47:24,559 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 13 states, 12 states have (on average 313.25) internal successors, (3759), 12 states have internal predecessors, (3759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:24,566 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:24,567 INFO  L81            ComplementDD]: Finished complementDD. Result  has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:24,567 INFO  L186             Difference]: Start difference. First operand has 368 places, 331 transitions, 803 flow. Second operand 12 states and 3759 transitions.
[2021-12-14 16:47:24,567 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 369 transitions, 1143 flow
[2021-12-14 16:47:24,576 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 369 transitions, 1115 flow, removed 13 selfloop flow, removed 7 redundant places.
[2021-12-14 16:47:24,581 INFO  L242             Difference]: Finished difference. Result has 371 places, 338 transitions, 893 flow
[2021-12-14 16:47:24,582 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=893, PETRI_PLACES=371, PETRI_TRANSITIONS=338}
[2021-12-14 16:47:24,582 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 52 predicate places.
[2021-12-14 16:47:24,582 INFO  L470      AbstractCegarLoop]: Abstraction has has 371 places, 338 transitions, 893 flow
[2021-12-14 16:47:24,583 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:24,583 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:24,584 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:24,584 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-12-14 16:47:24,584 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:24,585 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:24,585 INFO  L85        PathProgramCache]: Analyzing trace with hash -2047788938, now seen corresponding path program 4 times
[2021-12-14 16:47:24,585 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:24,585 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850553378]
[2021-12-14 16:47:24,585 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:24,586 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:24,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:24,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:24,715 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:24,715 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850553378]
[2021-12-14 16:47:24,715 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850553378] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:24,715 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:24,715 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-14 16:47:24,715 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139933388]
[2021-12-14 16:47:24,716 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:24,716 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-14 16:47:24,716 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:24,717 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-14 16:47:24,717 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-14 16:47:24,720 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-14 16:47:24,722 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 338 transitions, 893 flow. Second operand  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:24,722 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:24,722 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-14 16:47:24,722 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:25,154 INFO  L129       PetriNetUnfolder]: 262/1412 cut-off events.
[2021-12-14 16:47:25,155 INFO  L130       PetriNetUnfolder]: For 1807/1837 co-relation queries the response was YES.
[2021-12-14 16:47:25,175 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3015 conditions, 1412 events. 262/1412 cut-off events. For 1807/1837 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10482 event pairs, 151 based on Foata normal form. 2/1297 useless extension candidates. Maximal degree in co-relation 2963. Up to 346 conditions per place. 
[2021-12-14 16:47:25,182 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 38 selfloop transitions, 12 changer transitions 19/372 dead transitions.
[2021-12-14 16:47:25,183 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 372 transitions, 1231 flow
[2021-12-14 16:47:25,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-14 16:47:25,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-14 16:47:25,188 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3450 transitions.
[2021-12-14 16:47:25,190 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8986715290440219
[2021-12-14 16:47:25,190 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3450 transitions.
[2021-12-14 16:47:25,190 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3450 transitions.
[2021-12-14 16:47:25,192 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:25,192 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3450 transitions.
[2021-12-14 16:47:25,198 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 313.6363636363636) internal successors, (3450), 11 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,204 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,205 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,205 INFO  L186             Difference]: Start difference. First operand has 371 places, 338 transitions, 893 flow. Second operand 11 states and 3450 transitions.
[2021-12-14 16:47:25,205 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 372 transitions, 1231 flow
[2021-12-14 16:47:25,215 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 372 transitions, 1209 flow, removed 11 selfloop flow, removed 3 redundant places.
[2021-12-14 16:47:25,220 INFO  L242             Difference]: Finished difference. Result has 380 places, 343 transitions, 984 flow
[2021-12-14 16:47:25,221 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=984, PETRI_PLACES=380, PETRI_TRANSITIONS=343}
[2021-12-14 16:47:25,221 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places.
[2021-12-14 16:47:25,221 INFO  L470      AbstractCegarLoop]: Abstraction has has 380 places, 343 transitions, 984 flow
[2021-12-14 16:47:25,222 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,222 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:25,223 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:25,223 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-12-14 16:47:25,223 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:25,223 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:25,224 INFO  L85        PathProgramCache]: Analyzing trace with hash 1545102218, now seen corresponding path program 5 times
[2021-12-14 16:47:25,224 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:25,224 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755196173]
[2021-12-14 16:47:25,224 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:25,224 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:25,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:25,378 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:25,378 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:25,378 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755196173]
[2021-12-14 16:47:25,379 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755196173] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:25,379 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:25,379 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-14 16:47:25,379 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222633991]
[2021-12-14 16:47:25,379 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:25,380 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-14 16:47:25,380 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:25,381 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-14 16:47:25,381 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-14 16:47:25,383 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-14 16:47:25,385 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 343 transitions, 984 flow. Second operand  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,385 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:25,385 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-14 16:47:25,386 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:25,799 INFO  L129       PetriNetUnfolder]: 247/1398 cut-off events.
[2021-12-14 16:47:25,799 INFO  L130       PetriNetUnfolder]: For 2357/2376 co-relation queries the response was YES.
[2021-12-14 16:47:25,821 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 3115 conditions, 1398 events. 247/1398 cut-off events. For 2357/2376 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10446 event pairs, 155 based on Foata normal form. 1/1283 useless extension candidates. Maximal degree in co-relation 3057. Up to 347 conditions per place. 
[2021-12-14 16:47:25,831 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 36 selfloop transitions, 4 changer transitions 26/369 dead transitions.
[2021-12-14 16:47:25,831 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 369 transitions, 1263 flow
[2021-12-14 16:47:25,831 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-14 16:47:25,832 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-14 16:47:25,837 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3446 transitions.
[2021-12-14 16:47:25,839 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8976295910393332
[2021-12-14 16:47:25,839 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3446 transitions.
[2021-12-14 16:47:25,840 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3446 transitions.
[2021-12-14 16:47:25,842 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:25,842 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3446 transitions.
[2021-12-14 16:47:25,850 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 12 states, 11 states have (on average 313.27272727272725) internal successors, (3446), 11 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,856 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,857 INFO  L81            ComplementDD]: Finished complementDD. Result  has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,857 INFO  L186             Difference]: Start difference. First operand has 380 places, 343 transitions, 984 flow. Second operand 11 states and 3446 transitions.
[2021-12-14 16:47:25,857 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 369 transitions, 1263 flow
[2021-12-14 16:47:25,868 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 369 transitions, 1220 flow, removed 17 selfloop flow, removed 5 redundant places.
[2021-12-14 16:47:25,873 INFO  L242             Difference]: Finished difference. Result has 385 places, 337 transitions, 898 flow
[2021-12-14 16:47:25,874 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=947, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=898, PETRI_PLACES=385, PETRI_TRANSITIONS=337}
[2021-12-14 16:47:25,874 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 66 predicate places.
[2021-12-14 16:47:25,875 INFO  L470      AbstractCegarLoop]: Abstraction has has 385 places, 337 transitions, 898 flow
[2021-12-14 16:47:25,875 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:25,876 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:25,876 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:25,876 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-12-14 16:47:25,876 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:25,877 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:25,877 INFO  L85        PathProgramCache]: Analyzing trace with hash 2112607538, now seen corresponding path program 6 times
[2021-12-14 16:47:25,877 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:25,877 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46355319]
[2021-12-14 16:47:25,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:25,878 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:25,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:26,017 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:26,018 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:26,018 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46355319]
[2021-12-14 16:47:26,018 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46355319] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:26,020 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:26,020 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-14 16:47:26,021 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178813827]
[2021-12-14 16:47:26,021 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:26,022 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-14 16:47:26,023 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:26,023 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-14 16:47:26,023 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-12-14 16:47:26,026 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-14 16:47:26,028 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 337 transitions, 898 flow. Second operand  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:26,028 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:26,028 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-14 16:47:26,028 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:26,464 INFO  L129       PetriNetUnfolder]: 221/1226 cut-off events.
[2021-12-14 16:47:26,464 INFO  L130       PetriNetUnfolder]: For 2122/2146 co-relation queries the response was YES.
[2021-12-14 16:47:26,487 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 2672 conditions, 1226 events. 221/1226 cut-off events. For 2122/2146 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8559 event pairs, 145 based on Foata normal form. 2/1121 useless extension candidates. Maximal degree in co-relation 2618. Up to 300 conditions per place. 
[2021-12-14 16:47:26,495 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 31 selfloop transitions, 2 changer transitions 28/364 dead transitions.
[2021-12-14 16:47:26,496 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 364 transitions, 1162 flow
[2021-12-14 16:47:26,496 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-12-14 16:47:26,496 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-12-14 16:47:26,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3756 transitions.
[2021-12-14 16:47:26,504 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8968481375358166
[2021-12-14 16:47:26,505 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 3756 transitions.
[2021-12-14 16:47:26,505 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 3756 transitions.
[2021-12-14 16:47:26,506 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:26,506 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3756 transitions.
[2021-12-14 16:47:26,513 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 13 states, 12 states have (on average 313.0) internal successors, (3756), 12 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:26,520 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:26,522 INFO  L81            ComplementDD]: Finished complementDD. Result  has 13 states, 13 states have (on average 349.0) internal successors, (4537), 13 states have internal predecessors, (4537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:26,522 INFO  L186             Difference]: Start difference. First operand has 385 places, 337 transitions, 898 flow. Second operand 12 states and 3756 transitions.
[2021-12-14 16:47:26,522 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 364 transitions, 1162 flow
[2021-12-14 16:47:26,534 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 364 transitions, 1112 flow, removed 16 selfloop flow, removed 11 redundant places.
[2021-12-14 16:47:26,540 INFO  L242             Difference]: Finished difference. Result has 380 places, 331 transitions, 826 flow
[2021-12-14 16:47:26,541 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=826, PETRI_PLACES=380, PETRI_TRANSITIONS=331}
[2021-12-14 16:47:26,542 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places.
[2021-12-14 16:47:26,542 INFO  L470      AbstractCegarLoop]: Abstraction has has 380 places, 331 transitions, 826 flow
[2021-12-14 16:47:26,543 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 310.75) internal successors, (2486), 8 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:26,544 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:26,544 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:26,544 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-12-14 16:47:26,544 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:26,545 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:26,545 INFO  L85        PathProgramCache]: Analyzing trace with hash 1595665028, now seen corresponding path program 1 times
[2021-12-14 16:47:26,545 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:26,547 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129040623]
[2021-12-14 16:47:26,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:26,548 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:26,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:26,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:26,626 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:26,626 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129040623]
[2021-12-14 16:47:26,626 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129040623] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:26,626 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:26,627 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:26,627 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789558069]
[2021-12-14 16:47:26,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:26,628 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:26,628 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:26,629 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:26,629 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:26,630 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:26,632 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 331 transitions, 826 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:26,632 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:26,632 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:26,632 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:27,301 INFO  L129       PetriNetUnfolder]: 560/3302 cut-off events.
[2021-12-14 16:47:27,302 INFO  L130       PetriNetUnfolder]: For 2780/2878 co-relation queries the response was YES.
[2021-12-14 16:47:27,335 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 5970 conditions, 3302 events. 560/3302 cut-off events. For 2780/2878 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 29590 event pairs, 318 based on Foata normal form. 7/2795 useless extension candidates. Maximal degree in co-relation 5917. Up to 427 conditions per place. 
[2021-12-14 16:47:27,346 INFO  L132   encePairwiseOnDemand]: 345/349 looper letters, 37 selfloop transitions, 2 changer transitions 4/348 dead transitions.
[2021-12-14 16:47:27,346 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 348 transitions, 949 flow
[2021-12-14 16:47:27,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-14 16:47:27,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-14 16:47:27,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1283 transitions.
[2021-12-14 16:47:27,348 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.919054441260745
[2021-12-14 16:47:27,349 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1283 transitions.
[2021-12-14 16:47:27,349 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1283 transitions.
[2021-12-14 16:47:27,349 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:27,349 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1283 transitions.
[2021-12-14 16:47:27,351 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 320.75) internal successors, (1283), 4 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:27,353 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:27,353 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:27,353 INFO  L186             Difference]: Start difference. First operand has 380 places, 331 transitions, 826 flow. Second operand 4 states and 1283 transitions.
[2021-12-14 16:47:27,354 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 348 transitions, 949 flow
[2021-12-14 16:47:27,378 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 348 transitions, 921 flow, removed 10 selfloop flow, removed 13 redundant places.
[2021-12-14 16:47:27,382 INFO  L242             Difference]: Finished difference. Result has 360 places, 330 transitions, 803 flow
[2021-12-14 16:47:27,383 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=803, PETRI_PLACES=360, PETRI_TRANSITIONS=330}
[2021-12-14 16:47:27,384 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places.
[2021-12-14 16:47:27,384 INFO  L470      AbstractCegarLoop]: Abstraction has has 360 places, 330 transitions, 803 flow
[2021-12-14 16:47:27,384 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:27,385 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:27,385 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:27,385 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-12-14 16:47:27,385 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:27,386 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:27,386 INFO  L85        PathProgramCache]: Analyzing trace with hash 1521460524, now seen corresponding path program 2 times
[2021-12-14 16:47:27,386 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:27,386 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061218295]
[2021-12-14 16:47:27,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:27,387 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:27,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:27,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:27,456 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:27,457 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061218295]
[2021-12-14 16:47:27,457 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061218295] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:27,457 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:27,457 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:27,457 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427636123]
[2021-12-14 16:47:27,457 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:27,458 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:27,458 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:27,458 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:27,459 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:27,461 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:27,462 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 330 transitions, 803 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:27,462 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:27,462 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:27,462 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:28,133 INFO  L129       PetriNetUnfolder]: 477/3426 cut-off events.
[2021-12-14 16:47:28,134 INFO  L130       PetriNetUnfolder]: For 1643/1728 co-relation queries the response was YES.
[2021-12-14 16:47:28,168 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 6146 conditions, 3426 events. 477/3426 cut-off events. For 1643/1728 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 32829 event pairs, 140 based on Foata normal form. 16/3146 useless extension candidates. Maximal degree in co-relation 5362. Up to 314 conditions per place. 
[2021-12-14 16:47:28,180 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 47 selfloop transitions, 8 changer transitions 1/361 dead transitions.
[2021-12-14 16:47:28,181 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 361 transitions, 1003 flow
[2021-12-14 16:47:28,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:28,181 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:28,183 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1607 transitions.
[2021-12-14 16:47:28,183 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9209169054441261
[2021-12-14 16:47:28,184 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1607 transitions.
[2021-12-14 16:47:28,184 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1607 transitions.
[2021-12-14 16:47:28,184 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:28,184 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1607 transitions.
[2021-12-14 16:47:28,187 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 321.4) internal successors, (1607), 5 states have internal predecessors, (1607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:28,189 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:28,190 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:28,190 INFO  L186             Difference]: Start difference. First operand has 360 places, 330 transitions, 803 flow. Second operand 5 states and 1607 transitions.
[2021-12-14 16:47:28,190 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 361 transitions, 1003 flow
[2021-12-14 16:47:28,207 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 361 transitions, 997 flow, removed 2 selfloop flow, removed 3 redundant places.
[2021-12-14 16:47:28,211 INFO  L242             Difference]: Finished difference. Result has 360 places, 337 transitions, 864 flow
[2021-12-14 16:47:28,212 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=864, PETRI_PLACES=360, PETRI_TRANSITIONS=337}
[2021-12-14 16:47:28,214 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places.
[2021-12-14 16:47:28,214 INFO  L470      AbstractCegarLoop]: Abstraction has has 360 places, 337 transitions, 864 flow
[2021-12-14 16:47:28,215 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:28,215 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:28,215 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:28,215 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-12-14 16:47:28,215 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:28,216 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:28,216 INFO  L85        PathProgramCache]: Analyzing trace with hash -1161190256, now seen corresponding path program 3 times
[2021-12-14 16:47:28,216 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:28,216 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825313996]
[2021-12-14 16:47:28,217 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:28,217 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:28,239 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:28,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:28,269 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:28,269 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825313996]
[2021-12-14 16:47:28,270 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825313996] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:28,270 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:28,270 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:28,270 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935748900]
[2021-12-14 16:47:28,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:28,271 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:28,271 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:28,271 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:28,271 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:28,273 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:28,274 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 337 transitions, 864 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:28,274 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:28,274 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:28,274 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:29,115 INFO  L129       PetriNetUnfolder]: 619/4557 cut-off events.
[2021-12-14 16:47:29,116 INFO  L130       PetriNetUnfolder]: For 3052/3180 co-relation queries the response was YES.
[2021-12-14 16:47:29,162 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 8185 conditions, 4557 events. 619/4557 cut-off events. For 3052/3180 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 45101 event pairs, 408 based on Foata normal form. 14/4147 useless extension candidates. Maximal degree in co-relation 6982. Up to 475 conditions per place. 
[2021-12-14 16:47:29,182 INFO  L132   encePairwiseOnDemand]: 345/349 looper letters, 45 selfloop transitions, 4 changer transitions 1/355 dead transitions.
[2021-12-14 16:47:29,182 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 1036 flow
[2021-12-14 16:47:29,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-14 16:47:29,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-14 16:47:29,184 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1282 transitions.
[2021-12-14 16:47:29,185 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9183381088825215
[2021-12-14 16:47:29,185 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1282 transitions.
[2021-12-14 16:47:29,185 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1282 transitions.
[2021-12-14 16:47:29,186 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:29,186 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1282 transitions.
[2021-12-14 16:47:29,189 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 320.5) internal successors, (1282), 4 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:29,191 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:29,192 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:29,192 INFO  L186             Difference]: Start difference. First operand has 360 places, 337 transitions, 864 flow. Second operand 4 states and 1282 transitions.
[2021-12-14 16:47:29,192 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 1036 flow
[2021-12-14 16:47:29,208 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 355 transitions, 1026 flow, removed 5 selfloop flow, removed 0 redundant places.
[2021-12-14 16:47:29,212 INFO  L242             Difference]: Finished difference. Result has 365 places, 338 transitions, 883 flow
[2021-12-14 16:47:29,213 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=883, PETRI_PLACES=365, PETRI_TRANSITIONS=338}
[2021-12-14 16:47:29,214 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 46 predicate places.
[2021-12-14 16:47:29,214 INFO  L470      AbstractCegarLoop]: Abstraction has has 365 places, 338 transitions, 883 flow
[2021-12-14 16:47:29,215 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:29,215 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:29,215 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:29,215 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-12-14 16:47:29,216 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:29,216 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:29,216 INFO  L85        PathProgramCache]: Analyzing trace with hash -773437546, now seen corresponding path program 4 times
[2021-12-14 16:47:29,216 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:29,216 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853246358]
[2021-12-14 16:47:29,217 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:29,217 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:29,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:29,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:29,290 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:29,290 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853246358]
[2021-12-14 16:47:29,290 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853246358] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:29,291 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:29,291 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:29,292 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778045505]
[2021-12-14 16:47:29,292 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:29,292 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:29,293 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:29,293 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:29,294 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:29,296 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:29,297 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 338 transitions, 883 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:29,297 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:29,297 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:29,298 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:30,114 INFO  L129       PetriNetUnfolder]: 547/4175 cut-off events.
[2021-12-14 16:47:30,114 INFO  L130       PetriNetUnfolder]: For 3851/3952 co-relation queries the response was YES.
[2021-12-14 16:47:30,168 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 8323 conditions, 4175 events. 547/4175 cut-off events. For 3851/3952 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 42253 event pairs, 246 based on Foata normal form. 24/3952 useless extension candidates. Maximal degree in co-relation 7106. Up to 361 conditions per place. 
[2021-12-14 16:47:30,182 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 48 selfloop transitions, 12 changer transitions 5/370 dead transitions.
[2021-12-14 16:47:30,183 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 370 transitions, 1162 flow
[2021-12-14 16:47:30,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:30,184 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:30,185 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions.
[2021-12-14 16:47:30,186 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9203438395415473
[2021-12-14 16:47:30,186 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1606 transitions.
[2021-12-14 16:47:30,186 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1606 transitions.
[2021-12-14 16:47:30,186 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:30,187 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1606 transitions.
[2021-12-14 16:47:30,189 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 321.2) internal successors, (1606), 5 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:30,191 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:30,191 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:30,192 INFO  L186             Difference]: Start difference. First operand has 365 places, 338 transitions, 883 flow. Second operand 5 states and 1606 transitions.
[2021-12-14 16:47:30,192 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 370 transitions, 1162 flow
[2021-12-14 16:47:30,220 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 1158 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-14 16:47:30,225 INFO  L242             Difference]: Finished difference. Result has 372 places, 346 transitions, 987 flow
[2021-12-14 16:47:30,225 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=987, PETRI_PLACES=372, PETRI_TRANSITIONS=346}
[2021-12-14 16:47:30,226 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 53 predicate places.
[2021-12-14 16:47:30,226 INFO  L470      AbstractCegarLoop]: Abstraction has has 372 places, 346 transitions, 987 flow
[2021-12-14 16:47:30,227 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:30,227 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:30,227 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:30,227 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-12-14 16:47:30,228 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:30,229 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:30,229 INFO  L85        PathProgramCache]: Analyzing trace with hash 90776712, now seen corresponding path program 5 times
[2021-12-14 16:47:30,229 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:30,229 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112580176]
[2021-12-14 16:47:30,229 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:30,230 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:30,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:30,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:30,290 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:30,290 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112580176]
[2021-12-14 16:47:30,291 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112580176] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:30,291 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:30,291 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:30,291 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459424374]
[2021-12-14 16:47:30,291 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:30,292 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:30,292 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:30,292 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:30,293 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:30,294 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:30,295 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 346 transitions, 987 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:30,295 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:30,295 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:30,296 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:31,123 INFO  L129       PetriNetUnfolder]: 569/4622 cut-off events.
[2021-12-14 16:47:31,124 INFO  L130       PetriNetUnfolder]: For 4614/4690 co-relation queries the response was YES.
[2021-12-14 16:47:31,176 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 9089 conditions, 4622 events. 569/4622 cut-off events. For 4614/4690 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 46908 event pairs, 333 based on Foata normal form. 22/4303 useless extension candidates. Maximal degree in co-relation 8034. Up to 393 conditions per place. 
[2021-12-14 16:47:31,191 INFO  L132   encePairwiseOnDemand]: 339/349 looper letters, 57 selfloop transitions, 10 changer transitions 7/379 dead transitions.
[2021-12-14 16:47:31,192 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 379 transitions, 1291 flow
[2021-12-14 16:47:31,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:31,192 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:31,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions.
[2021-12-14 16:47:31,196 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92378223495702
[2021-12-14 16:47:31,197 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1612 transitions.
[2021-12-14 16:47:31,197 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1612 transitions.
[2021-12-14 16:47:31,197 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:31,197 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1612 transitions.
[2021-12-14 16:47:31,200 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 322.4) internal successors, (1612), 5 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:31,202 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:31,203 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:31,203 INFO  L186             Difference]: Start difference. First operand has 372 places, 346 transitions, 987 flow. Second operand 5 states and 1612 transitions.
[2021-12-14 16:47:31,203 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 379 transitions, 1291 flow
[2021-12-14 16:47:31,232 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 379 transitions, 1273 flow, removed 9 selfloop flow, removed 1 redundant places.
[2021-12-14 16:47:31,236 INFO  L242             Difference]: Finished difference. Result has 377 places, 349 transitions, 1038 flow
[2021-12-14 16:47:31,238 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=965, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1038, PETRI_PLACES=377, PETRI_TRANSITIONS=349}
[2021-12-14 16:47:31,238 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 58 predicate places.
[2021-12-14 16:47:31,238 INFO  L470      AbstractCegarLoop]: Abstraction has has 377 places, 349 transitions, 1038 flow
[2021-12-14 16:47:31,239 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:31,239 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:31,239 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:31,240 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-12-14 16:47:31,240 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:31,240 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:31,240 INFO  L85        PathProgramCache]: Analyzing trace with hash 1887567964, now seen corresponding path program 1 times
[2021-12-14 16:47:31,241 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:31,241 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67919548]
[2021-12-14 16:47:31,241 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:31,241 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:31,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:31,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:31,304 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:31,304 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67919548]
[2021-12-14 16:47:31,306 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67919548] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:31,306 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:31,306 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:31,306 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804092992]
[2021-12-14 16:47:31,307 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:31,308 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:31,308 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:31,308 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:31,308 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:31,310 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:31,311 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 349 transitions, 1038 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:31,311 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:31,311 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:31,311 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:32,105 INFO  L129       PetriNetUnfolder]: 512/4437 cut-off events.
[2021-12-14 16:47:32,105 INFO  L130       PetriNetUnfolder]: For 4786/5070 co-relation queries the response was YES.
[2021-12-14 16:47:32,141 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 8878 conditions, 4437 events. 512/4437 cut-off events. For 4786/5070 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 46298 event pairs, 221 based on Foata normal form. 12/4117 useless extension candidates. Maximal degree in co-relation 7690. Up to 301 conditions per place. 
[2021-12-14 16:47:32,154 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 67 selfloop transitions, 14 changer transitions 5/391 dead transitions.
[2021-12-14 16:47:32,155 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 391 transitions, 1516 flow
[2021-12-14 16:47:32,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:32,156 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:32,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1608 transitions.
[2021-12-14 16:47:32,159 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9214899713467049
[2021-12-14 16:47:32,159 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1608 transitions.
[2021-12-14 16:47:32,159 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1608 transitions.
[2021-12-14 16:47:32,160 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:32,160 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1608 transitions.
[2021-12-14 16:47:32,162 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:32,165 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:32,165 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:32,165 INFO  L186             Difference]: Start difference. First operand has 377 places, 349 transitions, 1038 flow. Second operand 5 states and 1608 transitions.
[2021-12-14 16:47:32,166 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 391 transitions, 1516 flow
[2021-12-14 16:47:32,194 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 391 transitions, 1498 flow, removed 6 selfloop flow, removed 4 redundant places.
[2021-12-14 16:47:32,199 INFO  L242             Difference]: Finished difference. Result has 380 places, 360 transitions, 1184 flow
[2021-12-14 16:47:32,199 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1184, PETRI_PLACES=380, PETRI_TRANSITIONS=360}
[2021-12-14 16:47:32,200 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places.
[2021-12-14 16:47:32,200 INFO  L470      AbstractCegarLoop]: Abstraction has has 380 places, 360 transitions, 1184 flow
[2021-12-14 16:47:32,200 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:32,200 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:32,201 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:32,201 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-12-14 16:47:32,201 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:32,201 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:32,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -1134796298, now seen corresponding path program 2 times
[2021-12-14 16:47:32,202 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:32,202 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355050827]
[2021-12-14 16:47:32,202 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:32,202 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:32,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:32,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:32,248 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:32,248 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355050827]
[2021-12-14 16:47:32,248 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355050827] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:32,249 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:32,249 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:32,249 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827069030]
[2021-12-14 16:47:32,249 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:32,250 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:32,250 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:32,250 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:32,250 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:32,252 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:32,253 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 360 transitions, 1184 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:32,253 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:32,253 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:32,253 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:33,025 INFO  L129       PetriNetUnfolder]: 547/4727 cut-off events.
[2021-12-14 16:47:33,026 INFO  L130       PetriNetUnfolder]: For 5598/5914 co-relation queries the response was YES.
[2021-12-14 16:47:33,078 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 9128 conditions, 4727 events. 547/4727 cut-off events. For 5598/5914 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 47793 event pairs, 318 based on Foata normal form. 30/4358 useless extension candidates. Maximal degree in co-relation 9062. Up to 391 conditions per place. 
[2021-12-14 16:47:33,094 INFO  L132   encePairwiseOnDemand]: 339/349 looper letters, 66 selfloop transitions, 16 changer transitions 4/391 dead transitions.
[2021-12-14 16:47:33,094 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 391 transitions, 1530 flow
[2021-12-14 16:47:33,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:33,095 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:33,097 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions.
[2021-12-14 16:47:33,099 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92378223495702
[2021-12-14 16:47:33,099 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1612 transitions.
[2021-12-14 16:47:33,099 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1612 transitions.
[2021-12-14 16:47:33,100 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:33,100 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1612 transitions.
[2021-12-14 16:47:33,102 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 322.4) internal successors, (1612), 5 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,105 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,106 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,106 INFO  L186             Difference]: Start difference. First operand has 380 places, 360 transitions, 1184 flow. Second operand 5 states and 1612 transitions.
[2021-12-14 16:47:33,106 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 391 transitions, 1530 flow
[2021-12-14 16:47:33,131 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 391 transitions, 1514 flow, removed 8 selfloop flow, removed 1 redundant places.
[2021-12-14 16:47:33,136 INFO  L242             Difference]: Finished difference. Result has 386 places, 365 transitions, 1287 flow
[2021-12-14 16:47:33,137 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1287, PETRI_PLACES=386, PETRI_TRANSITIONS=365}
[2021-12-14 16:47:33,137 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 67 predicate places.
[2021-12-14 16:47:33,137 INFO  L470      AbstractCegarLoop]: Abstraction has has 386 places, 365 transitions, 1287 flow
[2021-12-14 16:47:33,138 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,138 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:33,138 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:33,138 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-12-14 16:47:33,139 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:33,139 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:33,139 INFO  L85        PathProgramCache]: Analyzing trace with hash 1721851518, now seen corresponding path program 3 times
[2021-12-14 16:47:33,139 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:33,140 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567324332]
[2021-12-14 16:47:33,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:33,140 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:33,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:33,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:33,204 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:33,204 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567324332]
[2021-12-14 16:47:33,204 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567324332] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:33,204 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:33,204 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:33,204 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950466567]
[2021-12-14 16:47:33,205 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:33,205 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:33,205 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:33,206 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:33,206 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:33,207 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:33,208 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 365 transitions, 1287 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,208 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:33,208 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:33,208 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:33,926 INFO  L129       PetriNetUnfolder]: 441/3936 cut-off events.
[2021-12-14 16:47:33,926 INFO  L130       PetriNetUnfolder]: For 6155/6468 co-relation queries the response was YES.
[2021-12-14 16:47:33,959 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 8493 conditions, 3936 events. 441/3936 cut-off events. For 6155/6468 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 39176 event pairs, 204 based on Foata normal form. 11/3664 useless extension candidates. Maximal degree in co-relation 7279. Up to 281 conditions per place. 
[2021-12-14 16:47:33,973 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 68 selfloop transitions, 20 changer transitions 1/394 dead transitions.
[2021-12-14 16:47:33,973 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 394 transitions, 1702 flow
[2021-12-14 16:47:33,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:33,974 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:33,975 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1604 transitions.
[2021-12-14 16:47:33,976 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9191977077363896
[2021-12-14 16:47:33,976 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1604 transitions.
[2021-12-14 16:47:33,976 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1604 transitions.
[2021-12-14 16:47:33,977 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:33,977 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1604 transitions.
[2021-12-14 16:47:33,980 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 320.8) internal successors, (1604), 5 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,982 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,982 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:33,982 INFO  L186             Difference]: Start difference. First operand has 386 places, 365 transitions, 1287 flow. Second operand 5 states and 1604 transitions.
[2021-12-14 16:47:33,982 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 394 transitions, 1702 flow
[2021-12-14 16:47:34,016 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 394 transitions, 1684 flow, removed 9 selfloop flow, removed 0 redundant places.
[2021-12-14 16:47:34,021 INFO  L242             Difference]: Finished difference. Result has 393 places, 374 transitions, 1460 flow
[2021-12-14 16:47:34,021 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1271, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1460, PETRI_PLACES=393, PETRI_TRANSITIONS=374}
[2021-12-14 16:47:34,022 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 74 predicate places.
[2021-12-14 16:47:34,022 INFO  L470      AbstractCegarLoop]: Abstraction has has 393 places, 374 transitions, 1460 flow
[2021-12-14 16:47:34,022 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:34,023 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:34,023 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:34,023 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-12-14 16:47:34,023 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:34,024 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:34,024 INFO  L85        PathProgramCache]: Analyzing trace with hash 332516982, now seen corresponding path program 4 times
[2021-12-14 16:47:34,024 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:34,024 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462583390]
[2021-12-14 16:47:34,024 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:34,025 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:34,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:34,074 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:34,075 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:34,075 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462583390]
[2021-12-14 16:47:34,075 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462583390] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:34,075 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:34,075 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:34,076 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142788577]
[2021-12-14 16:47:34,076 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:34,076 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:34,076 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:34,077 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:34,077 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:34,078 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:34,080 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 374 transitions, 1460 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:34,080 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:34,080 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:34,080 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:34,936 INFO  L129       PetriNetUnfolder]: 510/4611 cut-off events.
[2021-12-14 16:47:34,937 INFO  L130       PetriNetUnfolder]: For 8247/8827 co-relation queries the response was YES.
[2021-12-14 16:47:34,964 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 9553 conditions, 4611 events. 510/4611 cut-off events. For 8247/8827 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 46563 event pairs, 330 based on Foata normal form. 7/4247 useless extension candidates. Maximal degree in co-relation 8193. Up to 524 conditions per place. 
[2021-12-14 16:47:34,973 INFO  L132   encePairwiseOnDemand]: 346/349 looper letters, 67 selfloop transitions, 4 changer transitions 7/383 dead transitions.
[2021-12-14 16:47:34,973 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 383 transitions, 1688 flow
[2021-12-14 16:47:34,973 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-14 16:47:34,973 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-14 16:47:34,974 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1277 transitions.
[2021-12-14 16:47:34,975 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.914756446991404
[2021-12-14 16:47:34,975 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1277 transitions.
[2021-12-14 16:47:34,975 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1277 transitions.
[2021-12-14 16:47:34,976 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:34,976 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1277 transitions.
[2021-12-14 16:47:34,978 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 319.25) internal successors, (1277), 4 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:34,980 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:34,980 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:34,980 INFO  L186             Difference]: Start difference. First operand has 393 places, 374 transitions, 1460 flow. Second operand 4 states and 1277 transitions.
[2021-12-14 16:47:34,980 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 383 transitions, 1688 flow
[2021-12-14 16:47:35,018 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 383 transitions, 1672 flow, removed 8 selfloop flow, removed 0 redundant places.
[2021-12-14 16:47:35,023 INFO  L242             Difference]: Finished difference. Result has 398 places, 370 transitions, 1405 flow
[2021-12-14 16:47:35,023 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1444, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1405, PETRI_PLACES=398, PETRI_TRANSITIONS=370}
[2021-12-14 16:47:35,024 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 79 predicate places.
[2021-12-14 16:47:35,024 INFO  L470      AbstractCegarLoop]: Abstraction has has 398 places, 370 transitions, 1405 flow
[2021-12-14 16:47:35,024 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:35,025 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:35,025 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:35,025 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-12-14 16:47:35,025 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:35,026 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:35,026 INFO  L85        PathProgramCache]: Analyzing trace with hash 2139981444, now seen corresponding path program 5 times
[2021-12-14 16:47:35,026 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:35,026 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826969497]
[2021-12-14 16:47:35,026 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:35,027 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:35,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:35,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:35,080 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:35,080 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826969497]
[2021-12-14 16:47:35,081 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826969497] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:35,081 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:35,081 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:35,081 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792671473]
[2021-12-14 16:47:35,081 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:35,082 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:35,082 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:35,082 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:35,083 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:35,084 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:35,085 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 370 transitions, 1405 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:35,085 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:35,085 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:35,085 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:35,750 INFO  L129       PetriNetUnfolder]: 490/4282 cut-off events.
[2021-12-14 16:47:35,751 INFO  L130       PetriNetUnfolder]: For 8466/9151 co-relation queries the response was YES.
[2021-12-14 16:47:35,805 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 8841 conditions, 4282 events. 490/4282 cut-off events. For 8466/9151 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 41809 event pairs, 300 based on Foata normal form. 10/3936 useless extension candidates. Maximal degree in co-relation 8792. Up to 462 conditions per place. 
[2021-12-14 16:47:35,815 INFO  L132   encePairwiseOnDemand]: 346/349 looper letters, 65 selfloop transitions, 6 changer transitions 4/380 dead transitions.
[2021-12-14 16:47:35,815 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 380 transitions, 1625 flow
[2021-12-14 16:47:35,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-14 16:47:35,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-14 16:47:35,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1279 transitions.
[2021-12-14 16:47:35,818 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.916189111747851
[2021-12-14 16:47:35,818 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1279 transitions.
[2021-12-14 16:47:35,818 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1279 transitions.
[2021-12-14 16:47:35,818 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:35,819 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1279 transitions.
[2021-12-14 16:47:35,820 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 319.75) internal successors, (1279), 4 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:35,822 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:35,822 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:35,822 INFO  L186             Difference]: Start difference. First operand has 398 places, 370 transitions, 1405 flow. Second operand 4 states and 1279 transitions.
[2021-12-14 16:47:35,822 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 380 transitions, 1625 flow
[2021-12-14 16:47:35,855 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 380 transitions, 1618 flow, removed 1 selfloop flow, removed 1 redundant places.
[2021-12-14 16:47:35,860 INFO  L242             Difference]: Finished difference. Result has 400 places, 367 transitions, 1374 flow
[2021-12-14 16:47:35,861 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1381, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1374, PETRI_PLACES=400, PETRI_TRANSITIONS=367}
[2021-12-14 16:47:35,861 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 81 predicate places.
[2021-12-14 16:47:35,861 INFO  L470      AbstractCegarLoop]: Abstraction has has 400 places, 367 transitions, 1374 flow
[2021-12-14 16:47:35,862 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:35,862 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:35,862 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:35,862 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-12-14 16:47:35,862 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:35,863 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:35,863 INFO  L85        PathProgramCache]: Analyzing trace with hash -1581629290, now seen corresponding path program 1 times
[2021-12-14 16:47:35,863 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:35,863 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725292546]
[2021-12-14 16:47:35,864 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:35,864 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:35,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:35,912 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:35,913 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:35,913 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725292546]
[2021-12-14 16:47:35,913 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725292546] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:35,913 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:35,914 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:35,914 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126346317]
[2021-12-14 16:47:35,914 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:35,914 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:35,915 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:35,916 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:35,916 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:35,917 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:35,919 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 367 transitions, 1374 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:35,919 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:35,919 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:35,919 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:36,569 INFO  L129       PetriNetUnfolder]: 510/4189 cut-off events.
[2021-12-14 16:47:36,570 INFO  L130       PetriNetUnfolder]: For 9021/9134 co-relation queries the response was YES.
[2021-12-14 16:47:36,629 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 9015 conditions, 4189 events. 510/4189 cut-off events. For 9021/9134 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 41226 event pairs, 151 based on Foata normal form. 20/3913 useless extension candidates. Maximal degree in co-relation 8965. Up to 408 conditions per place. 
[2021-12-14 16:47:36,641 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 87 selfloop transitions, 16 changer transitions 14/422 dead transitions.
[2021-12-14 16:47:36,641 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 422 transitions, 2227 flow
[2021-12-14 16:47:36,641 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:36,641 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:36,643 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1608 transitions.
[2021-12-14 16:47:36,643 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9214899713467049
[2021-12-14 16:47:36,644 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1608 transitions.
[2021-12-14 16:47:36,644 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1608 transitions.
[2021-12-14 16:47:36,644 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:36,644 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1608 transitions.
[2021-12-14 16:47:36,646 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 321.6) internal successors, (1608), 5 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:36,648 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:36,648 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:36,649 INFO  L186             Difference]: Start difference. First operand has 400 places, 367 transitions, 1374 flow. Second operand 5 states and 1608 transitions.
[2021-12-14 16:47:36,649 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 422 transitions, 2227 flow
[2021-12-14 16:47:36,692 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 422 transitions, 2206 flow, removed 6 selfloop flow, removed 1 redundant places.
[2021-12-14 16:47:36,697 INFO  L242             Difference]: Finished difference. Result has 405 places, 377 transitions, 1556 flow
[2021-12-14 16:47:36,697 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1362, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1556, PETRI_PLACES=405, PETRI_TRANSITIONS=377}
[2021-12-14 16:47:36,697 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 86 predicate places.
[2021-12-14 16:47:36,698 INFO  L470      AbstractCegarLoop]: Abstraction has has 405 places, 377 transitions, 1556 flow
[2021-12-14 16:47:36,698 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:36,698 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:36,698 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:36,698 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-12-14 16:47:36,699 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:36,699 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:36,699 INFO  L85        PathProgramCache]: Analyzing trace with hash 4879054, now seen corresponding path program 2 times
[2021-12-14 16:47:36,699 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:36,700 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135119185]
[2021-12-14 16:47:36,700 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:36,700 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:36,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:36,755 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:36,755 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:36,755 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135119185]
[2021-12-14 16:47:36,755 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135119185] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:36,756 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:36,756 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-14 16:47:36,756 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004870841]
[2021-12-14 16:47:36,756 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:36,757 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-14 16:47:36,757 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:36,757 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-14 16:47:36,757 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-14 16:47:36,759 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-14 16:47:36,759 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 377 transitions, 1556 flow. Second operand  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:36,760 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:36,760 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-14 16:47:36,760 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:37,463 INFO  L129       PetriNetUnfolder]: 509/4129 cut-off events.
[2021-12-14 16:47:37,463 INFO  L130       PetriNetUnfolder]: For 10638/11294 co-relation queries the response was YES.
[2021-12-14 16:47:37,500 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 9065 conditions, 4129 events. 509/4129 cut-off events. For 10638/11294 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 40226 event pairs, 169 based on Foata normal form. 30/3836 useless extension candidates. Maximal degree in co-relation 9012. Up to 361 conditions per place. 
[2021-12-14 16:47:37,510 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 81 selfloop transitions, 25 changer transitions 6/417 dead transitions.
[2021-12-14 16:47:37,510 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 417 transitions, 2255 flow
[2021-12-14 16:47:37,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-14 16:47:37,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-14 16:47:37,512 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions.
[2021-12-14 16:47:37,512 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9203438395415473
[2021-12-14 16:47:37,512 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1606 transitions.
[2021-12-14 16:47:37,512 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1606 transitions.
[2021-12-14 16:47:37,513 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:37,513 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1606 transitions.
[2021-12-14 16:47:37,514 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 6 states, 5 states have (on average 321.2) internal successors, (1606), 5 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:37,516 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:37,516 INFO  L81            ComplementDD]: Finished complementDD. Result  has 6 states, 6 states have (on average 349.0) internal successors, (2094), 6 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:37,516 INFO  L186             Difference]: Start difference. First operand has 405 places, 377 transitions, 1556 flow. Second operand 5 states and 1606 transitions.
[2021-12-14 16:47:37,516 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 417 transitions, 2255 flow
[2021-12-14 16:47:37,560 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 417 transitions, 2229 flow, removed 13 selfloop flow, removed 0 redundant places.
[2021-12-14 16:47:37,565 INFO  L242             Difference]: Finished difference. Result has 413 places, 387 transitions, 1785 flow
[2021-12-14 16:47:37,566 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1785, PETRI_PLACES=413, PETRI_TRANSITIONS=387}
[2021-12-14 16:47:37,567 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 94 predicate places.
[2021-12-14 16:47:37,567 INFO  L470      AbstractCegarLoop]: Abstraction has has 413 places, 387 transitions, 1785 flow
[2021-12-14 16:47:37,567 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:37,567 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:37,568 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:37,568 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-12-14 16:47:37,568 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:37,568 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:37,569 INFO  L85        PathProgramCache]: Analyzing trace with hash 757831568, now seen corresponding path program 1 times
[2021-12-14 16:47:37,569 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:37,569 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110247979]
[2021-12-14 16:47:37,569 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:37,569 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:37,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:37,719 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:37,720 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:37,720 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110247979]
[2021-12-14 16:47:37,720 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110247979] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:37,720 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:37,720 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:47:37,722 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144928161]
[2021-12-14 16:47:37,722 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:37,723 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:47:37,724 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:37,724 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:47:37,724 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:47:37,726 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:47:37,728 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 387 transitions, 1785 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:37,728 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:37,728 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:47:37,728 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:39,599 INFO  L129       PetriNetUnfolder]: 2277/7802 cut-off events.
[2021-12-14 16:47:39,599 INFO  L130       PetriNetUnfolder]: For 9907/10179 co-relation queries the response was YES.
[2021-12-14 16:47:39,677 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 17755 conditions, 7802 events. 2277/7802 cut-off events. For 9907/10179 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 82356 event pairs, 1433 based on Foata normal form. 8/6970 useless extension candidates. Maximal degree in co-relation 17698. Up to 2942 conditions per place. 
[2021-12-14 16:47:39,705 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 80 selfloop transitions, 30 changer transitions 28/491 dead transitions.
[2021-12-14 16:47:39,705 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 491 transitions, 2440 flow
[2021-12-14 16:47:39,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-12-14 16:47:39,705 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2021-12-14 16:47:39,708 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7383 transitions.
[2021-12-14 16:47:39,710 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8814469914040115
[2021-12-14 16:47:39,710 INFO  L72            ComplementDD]: Start complementDD. Operand 24 states and 7383 transitions.
[2021-12-14 16:47:39,710 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 24 states and 7383 transitions.
[2021-12-14 16:47:39,711 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:39,712 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7383 transitions.
[2021-12-14 16:47:39,719 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 25 states, 24 states have (on average 307.625) internal successors, (7383), 24 states have internal predecessors, (7383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:39,724 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:39,725 INFO  L81            ComplementDD]: Finished complementDD. Result  has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:39,725 INFO  L186             Difference]: Start difference. First operand has 413 places, 387 transitions, 1785 flow. Second operand 24 states and 7383 transitions.
[2021-12-14 16:47:39,726 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 491 transitions, 2440 flow
[2021-12-14 16:47:39,784 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 491 transitions, 2412 flow, removed 14 selfloop flow, removed 0 redundant places.
[2021-12-14 16:47:39,789 INFO  L242             Difference]: Finished difference. Result has 456 places, 416 transitions, 2047 flow
[2021-12-14 16:47:39,789 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1757, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2047, PETRI_PLACES=456, PETRI_TRANSITIONS=416}
[2021-12-14 16:47:39,790 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 137 predicate places.
[2021-12-14 16:47:39,790 INFO  L470      AbstractCegarLoop]: Abstraction has has 456 places, 416 transitions, 2047 flow
[2021-12-14 16:47:39,790 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:39,791 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:39,791 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:39,791 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-12-14 16:47:39,791 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:39,791 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:39,792 INFO  L85        PathProgramCache]: Analyzing trace with hash 2144117028, now seen corresponding path program 2 times
[2021-12-14 16:47:39,792 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:39,792 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334715384]
[2021-12-14 16:47:39,792 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:39,792 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:39,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:39,908 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:39,908 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:39,909 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334715384]
[2021-12-14 16:47:39,909 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334715384] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:39,909 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:39,909 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:47:39,909 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594475824]
[2021-12-14 16:47:39,909 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:39,910 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:47:39,910 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:39,910 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:47:39,911 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:47:39,913 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:47:39,914 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 416 transitions, 2047 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:39,915 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:39,915 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:47:39,915 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:41,792 INFO  L129       PetriNetUnfolder]: 2368/8386 cut-off events.
[2021-12-14 16:47:41,792 INFO  L130       PetriNetUnfolder]: For 23901/24541 co-relation queries the response was YES.
[2021-12-14 16:47:41,902 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 24974 conditions, 8386 events. 2368/8386 cut-off events. For 23901/24541 co-relation queries the response was YES. Maximal size of possible extension queue 673. Compared 89120 event pairs, 1328 based on Foata normal form. 10/7520 useless extension candidates. Maximal degree in co-relation 24896. Up to 2658 conditions per place. 
[2021-12-14 16:47:41,933 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 113 selfloop transitions, 45 changer transitions 26/537 dead transitions.
[2021-12-14 16:47:41,934 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 537 transitions, 3124 flow
[2021-12-14 16:47:41,934 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-12-14 16:47:41,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2021-12-14 16:47:41,936 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7380 transitions.
[2021-12-14 16:47:41,938 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8810888252148997
[2021-12-14 16:47:41,938 INFO  L72            ComplementDD]: Start complementDD. Operand 24 states and 7380 transitions.
[2021-12-14 16:47:41,938 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 24 states and 7380 transitions.
[2021-12-14 16:47:41,940 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:41,940 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7380 transitions.
[2021-12-14 16:47:41,949 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 25 states, 24 states have (on average 307.5) internal successors, (7380), 24 states have internal predecessors, (7380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:41,955 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:41,956 INFO  L81            ComplementDD]: Finished complementDD. Result  has 25 states, 25 states have (on average 349.0) internal successors, (8725), 25 states have internal predecessors, (8725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:41,956 INFO  L186             Difference]: Start difference. First operand has 456 places, 416 transitions, 2047 flow. Second operand 24 states and 7380 transitions.
[2021-12-14 16:47:41,956 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 537 transitions, 3124 flow
[2021-12-14 16:47:42,146 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 537 transitions, 3012 flow, removed 56 selfloop flow, removed 2 redundant places.
[2021-12-14 16:47:42,152 INFO  L242             Difference]: Finished difference. Result has 495 places, 445 transitions, 2451 flow
[2021-12-14 16:47:42,153 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=1973, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2451, PETRI_PLACES=495, PETRI_TRANSITIONS=445}
[2021-12-14 16:47:42,153 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 176 predicate places.
[2021-12-14 16:47:42,154 INFO  L470      AbstractCegarLoop]: Abstraction has has 495 places, 445 transitions, 2451 flow
[2021-12-14 16:47:42,154 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:42,154 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:42,154 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:42,155 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-12-14 16:47:42,155 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:42,155 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:42,156 INFO  L85        PathProgramCache]: Analyzing trace with hash 1078131910, now seen corresponding path program 3 times
[2021-12-14 16:47:42,156 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:42,156 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731130954]
[2021-12-14 16:47:42,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:42,156 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:42,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:42,293 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:42,294 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:42,294 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731130954]
[2021-12-14 16:47:42,294 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731130954] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:42,294 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:42,294 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:47:42,294 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053920088]
[2021-12-14 16:47:42,295 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:42,295 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:47:42,295 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:42,296 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:47:42,296 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:47:42,298 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:47:42,300 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 445 transitions, 2451 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:42,300 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:42,300 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:47:42,300 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:44,540 INFO  L129       PetriNetUnfolder]: 2540/8738 cut-off events.
[2021-12-14 16:47:44,541 INFO  L130       PetriNetUnfolder]: For 39420/39738 co-relation queries the response was YES.
[2021-12-14 16:47:44,856 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 30805 conditions, 8738 events. 2540/8738 cut-off events. For 39420/39738 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 93968 event pairs, 1604 based on Foata normal form. 14/7810 useless extension candidates. Maximal degree in co-relation 30708. Up to 3411 conditions per place. 
[2021-12-14 16:47:44,924 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 101 selfloop transitions, 56 changer transitions 24/534 dead transitions.
[2021-12-14 16:47:44,924 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 534 transitions, 3699 flow
[2021-12-14 16:47:44,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2021-12-14 16:47:44,924 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2021-12-14 16:47:44,929 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6761 transitions.
[2021-12-14 16:47:44,932 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8805678562125554
[2021-12-14 16:47:44,932 INFO  L72            ComplementDD]: Start complementDD. Operand 22 states and 6761 transitions.
[2021-12-14 16:47:44,932 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 22 states and 6761 transitions.
[2021-12-14 16:47:44,934 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:44,934 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6761 transitions.
[2021-12-14 16:47:44,943 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 23 states, 22 states have (on average 307.3181818181818) internal successors, (6761), 22 states have internal predecessors, (6761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:44,951 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 23 states, 23 states have (on average 349.0) internal successors, (8027), 23 states have internal predecessors, (8027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:44,952 INFO  L81            ComplementDD]: Finished complementDD. Result  has 23 states, 23 states have (on average 349.0) internal successors, (8027), 23 states have internal predecessors, (8027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:44,952 INFO  L186             Difference]: Start difference. First operand has 495 places, 445 transitions, 2451 flow. Second operand 22 states and 6761 transitions.
[2021-12-14 16:47:44,952 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 534 transitions, 3699 flow
[2021-12-14 16:47:45,360 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 534 transitions, 3429 flow, removed 135 selfloop flow, removed 2 redundant places.
[2021-12-14 16:47:45,366 INFO  L242             Difference]: Finished difference. Result has 526 places, 475 transitions, 2896 flow
[2021-12-14 16:47:45,367 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2303, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2896, PETRI_PLACES=526, PETRI_TRANSITIONS=475}
[2021-12-14 16:47:45,367 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 207 predicate places.
[2021-12-14 16:47:45,367 INFO  L470      AbstractCegarLoop]: Abstraction has has 526 places, 475 transitions, 2896 flow
[2021-12-14 16:47:45,368 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:45,368 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:45,368 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:45,369 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-12-14 16:47:45,369 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:45,369 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:45,369 INFO  L85        PathProgramCache]: Analyzing trace with hash 1289019372, now seen corresponding path program 4 times
[2021-12-14 16:47:45,370 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:45,370 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502033529]
[2021-12-14 16:47:45,370 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:45,370 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:45,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:45,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:45,517 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:45,517 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502033529]
[2021-12-14 16:47:45,517 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502033529] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:45,517 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:45,517 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:47:45,518 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127383877]
[2021-12-14 16:47:45,518 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:45,518 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:47:45,518 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:45,519 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:47:45,519 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:47:45,521 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:47:45,523 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 475 transitions, 2896 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:45,523 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:45,523 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:47:45,523 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:48,299 INFO  L129       PetriNetUnfolder]: 2744/9522 cut-off events.
[2021-12-14 16:47:48,299 INFO  L130       PetriNetUnfolder]: For 51212/52096 co-relation queries the response was YES.
[2021-12-14 16:47:48,427 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 34355 conditions, 9522 events. 2744/9522 cut-off events. For 51212/52096 co-relation queries the response was YES. Maximal size of possible extension queue 793. Compared 103517 event pairs, 1599 based on Foata normal form. 10/8546 useless extension candidates. Maximal degree in co-relation 34245. Up to 3196 conditions per place. 
[2021-12-14 16:47:48,462 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 120 selfloop transitions, 61 changer transitions 22/556 dead transitions.
[2021-12-14 16:47:48,462 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 556 transitions, 4212 flow
[2021-12-14 16:47:48,463 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-12-14 16:47:48,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20 states.
[2021-12-14 16:47:48,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 6152 transitions.
[2021-12-14 16:47:48,467 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8813753581661891
[2021-12-14 16:47:48,467 INFO  L72            ComplementDD]: Start complementDD. Operand 20 states and 6152 transitions.
[2021-12-14 16:47:48,467 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 20 states and 6152 transitions.
[2021-12-14 16:47:48,468 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:48,468 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 6152 transitions.
[2021-12-14 16:47:48,472 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 21 states, 20 states have (on average 307.6) internal successors, (6152), 20 states have internal predecessors, (6152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:48,476 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:48,477 INFO  L81            ComplementDD]: Finished complementDD. Result  has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:48,477 INFO  L186             Difference]: Start difference. First operand has 526 places, 475 transitions, 2896 flow. Second operand 20 states and 6152 transitions.
[2021-12-14 16:47:48,478 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 556 transitions, 4212 flow
[2021-12-14 16:47:48,873 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 556 transitions, 3962 flow, removed 125 selfloop flow, removed 2 redundant places.
[2021-12-14 16:47:48,879 INFO  L242             Difference]: Finished difference. Result has 556 places, 507 transitions, 3422 flow
[2021-12-14 16:47:48,879 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=2686, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3422, PETRI_PLACES=556, PETRI_TRANSITIONS=507}
[2021-12-14 16:47:48,880 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 237 predicate places.
[2021-12-14 16:47:48,880 INFO  L470      AbstractCegarLoop]: Abstraction has has 556 places, 507 transitions, 3422 flow
[2021-12-14 16:47:48,880 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:48,881 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:48,881 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:48,881 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-12-14 16:47:48,881 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:48,881 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:48,881 INFO  L85        PathProgramCache]: Analyzing trace with hash -1782446198, now seen corresponding path program 5 times
[2021-12-14 16:47:48,882 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:48,882 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607737247]
[2021-12-14 16:47:48,882 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:48,882 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:48,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:49,060 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:49,061 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:49,061 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607737247]
[2021-12-14 16:47:49,061 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607737247] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:49,061 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:49,061 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:47:49,061 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907114552]
[2021-12-14 16:47:49,062 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:49,062 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:47:49,062 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:49,063 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:47:49,063 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:47:49,065 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:47:49,067 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 507 transitions, 3422 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:49,067 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:49,067 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:47:49,067 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:52,111 INFO  L129       PetriNetUnfolder]: 2810/9678 cut-off events.
[2021-12-14 16:47:52,112 INFO  L130       PetriNetUnfolder]: For 68924/69292 co-relation queries the response was YES.
[2021-12-14 16:47:52,246 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 37936 conditions, 9678 events. 2810/9678 cut-off events. For 68924/69292 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 106602 event pairs, 1672 based on Foata normal form. 13/8667 useless extension candidates. Maximal degree in co-relation 37812. Up to 3693 conditions per place. 
[2021-12-14 16:47:52,281 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 139 selfloop transitions, 78 changer transitions 19/589 dead transitions.
[2021-12-14 16:47:52,281 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 589 transitions, 4901 flow
[2021-12-14 16:47:52,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-12-14 16:47:52,281 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20 states.
[2021-12-14 16:47:52,285 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 6148 transitions.
[2021-12-14 16:47:52,287 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8808022922636103
[2021-12-14 16:47:52,287 INFO  L72            ComplementDD]: Start complementDD. Operand 20 states and 6148 transitions.
[2021-12-14 16:47:52,287 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 20 states and 6148 transitions.
[2021-12-14 16:47:52,288 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:52,288 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 6148 transitions.
[2021-12-14 16:47:52,293 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 21 states, 20 states have (on average 307.4) internal successors, (6148), 20 states have internal predecessors, (6148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:52,298 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:52,299 INFO  L81            ComplementDD]: Finished complementDD. Result  has 21 states, 21 states have (on average 349.0) internal successors, (7329), 21 states have internal predecessors, (7329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:52,299 INFO  L186             Difference]: Start difference. First operand has 556 places, 507 transitions, 3422 flow. Second operand 20 states and 6148 transitions.
[2021-12-14 16:47:52,300 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 589 transitions, 4901 flow
[2021-12-14 16:47:52,875 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 589 transitions, 4517 flow, removed 192 selfloop flow, removed 2 redundant places.
[2021-12-14 16:47:52,883 INFO  L242             Difference]: Finished difference. Result has 586 places, 538 transitions, 3957 flow
[2021-12-14 16:47:52,884 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=3168, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3957, PETRI_PLACES=586, PETRI_TRANSITIONS=538}
[2021-12-14 16:47:52,885 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 267 predicate places.
[2021-12-14 16:47:52,885 INFO  L470      AbstractCegarLoop]: Abstraction has has 586 places, 538 transitions, 3957 flow
[2021-12-14 16:47:52,886 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:52,886 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:52,886 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:52,886 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2021-12-14 16:47:52,886 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:52,887 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:52,887 INFO  L85        PathProgramCache]: Analyzing trace with hash 907104584, now seen corresponding path program 6 times
[2021-12-14 16:47:52,887 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:52,887 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951361448]
[2021-12-14 16:47:52,887 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:52,888 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:52,990 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:53,108 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:53,108 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:53,108 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951361448]
[2021-12-14 16:47:53,109 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951361448] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:53,109 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:53,109 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:47:53,109 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997862296]
[2021-12-14 16:47:53,109 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:53,110 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:47:53,110 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:53,110 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:47:53,110 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:47:53,113 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:47:53,114 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 538 transitions, 3957 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:53,114 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:53,115 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:47:53,115 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:47:56,376 INFO  L129       PetriNetUnfolder]: 2850/9990 cut-off events.
[2021-12-14 16:47:56,376 INFO  L130       PetriNetUnfolder]: For 77438/77826 co-relation queries the response was YES.
[2021-12-14 16:47:56,524 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 39780 conditions, 9990 events. 2850/9990 cut-off events. For 77438/77826 co-relation queries the response was YES. Maximal size of possible extension queue 839. Compared 111681 event pairs, 1660 based on Foata normal form. 24/9002 useless extension candidates. Maximal degree in co-relation 39642. Up to 3717 conditions per place. 
[2021-12-14 16:47:56,563 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 140 selfloop transitions, 96 changer transitions 17/606 dead transitions.
[2021-12-14 16:47:56,563 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 606 transitions, 5344 flow
[2021-12-14 16:47:56,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-12-14 16:47:56,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-12-14 16:47:56,565 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5537 transitions.
[2021-12-14 16:47:56,566 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8814071951607768
[2021-12-14 16:47:56,566 INFO  L72            ComplementDD]: Start complementDD. Operand 18 states and 5537 transitions.
[2021-12-14 16:47:56,566 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 18 states and 5537 transitions.
[2021-12-14 16:47:56,567 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:47:56,567 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5537 transitions.
[2021-12-14 16:47:56,570 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 19 states, 18 states have (on average 307.6111111111111) internal successors, (5537), 18 states have internal predecessors, (5537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:56,574 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:56,575 INFO  L81            ComplementDD]: Finished complementDD. Result  has 19 states, 19 states have (on average 349.0) internal successors, (6631), 19 states have internal predecessors, (6631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:56,575 INFO  L186             Difference]: Start difference. First operand has 586 places, 538 transitions, 3957 flow. Second operand 18 states and 5537 transitions.
[2021-12-14 16:47:56,575 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 606 transitions, 5344 flow
[2021-12-14 16:47:57,547 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 606 transitions, 4928 flow, removed 208 selfloop flow, removed 2 redundant places.
[2021-12-14 16:47:57,558 INFO  L242             Difference]: Finished difference. Result has 607 places, 559 transitions, 4350 flow
[2021-12-14 16:47:57,559 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=3735, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=4350, PETRI_PLACES=607, PETRI_TRANSITIONS=559}
[2021-12-14 16:47:57,564 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 288 predicate places.
[2021-12-14 16:47:57,565 INFO  L470      AbstractCegarLoop]: Abstraction has has 607 places, 559 transitions, 4350 flow
[2021-12-14 16:47:57,565 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:57,565 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:47:57,566 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:47:57,566 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2021-12-14 16:47:57,568 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:47:57,568 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:47:57,569 INFO  L85        PathProgramCache]: Analyzing trace with hash 1145114812, now seen corresponding path program 7 times
[2021-12-14 16:47:57,569 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:47:57,569 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514868695]
[2021-12-14 16:47:57,569 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:47:57,569 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:47:57,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:47:57,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:47:57,706 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:47:57,706 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514868695]
[2021-12-14 16:47:57,706 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514868695] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:47:57,707 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:47:57,707 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:47:57,707 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455208353]
[2021-12-14 16:47:57,707 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:47:57,707 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:47:57,708 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:47:57,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:47:57,709 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:47:57,711 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:47:57,713 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 559 transitions, 4350 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:47:57,713 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:47:57,713 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:47:57,713 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:48:00,985 INFO  L129       PetriNetUnfolder]: 2946/10266 cut-off events.
[2021-12-14 16:48:00,985 INFO  L130       PetriNetUnfolder]: For 61426/61810 co-relation queries the response was YES.
[2021-12-14 16:48:01,137 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 40314 conditions, 10266 events. 2946/10266 cut-off events. For 61426/61810 co-relation queries the response was YES. Maximal size of possible extension queue 873. Compared 115471 event pairs, 1680 based on Foata normal form. 19/9243 useless extension candidates. Maximal degree in co-relation 40169. Up to 3795 conditions per place. 
[2021-12-14 16:48:01,173 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 151 selfloop transitions, 100 changer transitions 16/620 dead transitions.
[2021-12-14 16:48:01,174 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 620 transitions, 5603 flow
[2021-12-14 16:48:01,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-12-14 16:48:01,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-12-14 16:48:01,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5234 transitions.
[2021-12-14 16:48:01,176 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8821843923815945
[2021-12-14 16:48:01,176 INFO  L72            ComplementDD]: Start complementDD. Operand 17 states and 5234 transitions.
[2021-12-14 16:48:01,176 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 17 states and 5234 transitions.
[2021-12-14 16:48:01,177 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:48:01,177 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5234 transitions.
[2021-12-14 16:48:01,181 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 18 states, 17 states have (on average 307.88235294117646) internal successors, (5234), 17 states have internal predecessors, (5234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:01,185 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:01,186 INFO  L81            ComplementDD]: Finished complementDD. Result  has 18 states, 18 states have (on average 349.0) internal successors, (6282), 18 states have internal predecessors, (6282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:01,186 INFO  L186             Difference]: Start difference. First operand has 607 places, 559 transitions, 4350 flow. Second operand 17 states and 5234 transitions.
[2021-12-14 16:48:01,186 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 620 transitions, 5603 flow
[2021-12-14 16:48:01,910 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 620 transitions, 5421 flow, removed 91 selfloop flow, removed 2 redundant places.
[2021-12-14 16:48:01,917 INFO  L242             Difference]: Finished difference. Result has 628 places, 580 transitions, 4857 flow
[2021-12-14 16:48:01,917 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=4202, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4857, PETRI_PLACES=628, PETRI_TRANSITIONS=580}
[2021-12-14 16:48:01,918 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 309 predicate places.
[2021-12-14 16:48:01,918 INFO  L470      AbstractCegarLoop]: Abstraction has has 628 places, 580 transitions, 4857 flow
[2021-12-14 16:48:01,919 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:01,919 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:48:01,919 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:48:01,919 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2021-12-14 16:48:01,919 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:48:01,920 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:48:01,920 INFO  L85        PathProgramCache]: Analyzing trace with hash -1457870368, now seen corresponding path program 8 times
[2021-12-14 16:48:01,920 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:48:01,920 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431976568]
[2021-12-14 16:48:01,920 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:48:01,921 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:48:01,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:48:02,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:48:02,033 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:48:02,033 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431976568]
[2021-12-14 16:48:02,033 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431976568] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:48:02,033 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:48:02,034 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:48:02,034 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595083258]
[2021-12-14 16:48:02,034 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:48:02,034 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:48:02,034 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:48:02,035 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:48:02,035 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:48:02,037 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:48:02,039 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 580 transitions, 4857 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:02,039 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:48:02,040 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:48:02,040 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:48:05,514 INFO  L129       PetriNetUnfolder]: 2948/10438 cut-off events.
[2021-12-14 16:48:05,514 INFO  L130       PetriNetUnfolder]: For 67266/67651 co-relation queries the response was YES.
[2021-12-14 16:48:05,665 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 41743 conditions, 10438 events. 2948/10438 cut-off events. For 67266/67651 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 118466 event pairs, 1674 based on Foata normal form. 24/9431 useless extension candidates. Maximal degree in co-relation 41590. Up to 3849 conditions per place. 
[2021-12-14 16:48:05,701 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 151 selfloop transitions, 107 changer transitions 19/630 dead transitions.
[2021-12-14 16:48:05,701 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 630 transitions, 5875 flow
[2021-12-14 16:48:05,701 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-12-14 16:48:05,701 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-12-14 16:48:05,703 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4926 transitions.
[2021-12-14 16:48:05,704 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8821633237822349
[2021-12-14 16:48:05,704 INFO  L72            ComplementDD]: Start complementDD. Operand 16 states and 4926 transitions.
[2021-12-14 16:48:05,704 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 16 states and 4926 transitions.
[2021-12-14 16:48:05,705 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:48:05,705 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 4926 transitions.
[2021-12-14 16:48:05,709 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 17 states, 16 states have (on average 307.875) internal successors, (4926), 16 states have internal predecessors, (4926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:05,712 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:05,713 INFO  L81            ComplementDD]: Finished complementDD. Result  has 17 states, 17 states have (on average 349.0) internal successors, (5933), 17 states have internal predecessors, (5933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:05,713 INFO  L186             Difference]: Start difference. First operand has 628 places, 580 transitions, 4857 flow. Second operand 16 states and 4926 transitions.
[2021-12-14 16:48:05,713 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 630 transitions, 5875 flow
[2021-12-14 16:48:06,368 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 630 transitions, 5727 flow, removed 74 selfloop flow, removed 2 redundant places.
[2021-12-14 16:48:06,375 INFO  L242             Difference]: Finished difference. Result has 646 places, 588 transitions, 5123 flow
[2021-12-14 16:48:06,376 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=4713, PETRI_DIFFERENCE_MINUEND_PLACES=624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5123, PETRI_PLACES=646, PETRI_TRANSITIONS=588}
[2021-12-14 16:48:06,377 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 327 predicate places.
[2021-12-14 16:48:06,377 INFO  L470      AbstractCegarLoop]: Abstraction has has 646 places, 588 transitions, 5123 flow
[2021-12-14 16:48:06,377 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:06,377 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:48:06,378 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:48:06,378 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2021-12-14 16:48:06,378 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:48:06,378 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:48:06,378 INFO  L85        PathProgramCache]: Analyzing trace with hash -1919101692, now seen corresponding path program 9 times
[2021-12-14 16:48:06,379 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:48:06,379 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224954936]
[2021-12-14 16:48:06,379 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:48:06,379 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:48:06,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:48:06,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:48:06,503 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:48:06,503 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224954936]
[2021-12-14 16:48:06,503 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224954936] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:48:06,503 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:48:06,503 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:48:06,504 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718885752]
[2021-12-14 16:48:06,504 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:48:06,504 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:48:06,504 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:48:06,505 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:48:06,505 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:48:06,507 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:48:06,508 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 646 places, 588 transitions, 5123 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:06,509 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:48:06,509 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:48:06,509 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-14 16:48:10,076 INFO  L129       PetriNetUnfolder]: 3008/10670 cut-off events.
[2021-12-14 16:48:10,076 INFO  L130       PetriNetUnfolder]: For 73009/73394 co-relation queries the response was YES.
[2021-12-14 16:48:10,266 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 43956 conditions, 10670 events. 3008/10670 cut-off events. For 73009/73394 co-relation queries the response was YES. Maximal size of possible extension queue 905. Compared 121864 event pairs, 1670 based on Foata normal form. 19/9627 useless extension candidates. Maximal degree in co-relation 43797. Up to 3745 conditions per place. 
[2021-12-14 16:48:10,308 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 185 selfloop transitions, 98 changer transitions 23/659 dead transitions.
[2021-12-14 16:48:10,308 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 659 transitions, 6641 flow
[2021-12-14 16:48:10,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-12-14 16:48:10,309 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2021-12-14 16:48:10,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6458 transitions.
[2021-12-14 16:48:10,313 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8811570473461591
[2021-12-14 16:48:10,313 INFO  L72            ComplementDD]: Start complementDD. Operand 21 states and 6458 transitions.
[2021-12-14 16:48:10,313 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 21 states and 6458 transitions.
[2021-12-14 16:48:10,315 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-14 16:48:10,315 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6458 transitions.
[2021-12-14 16:48:10,320 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 22 states, 21 states have (on average 307.5238095238095) internal successors, (6458), 21 states have internal predecessors, (6458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:10,325 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:10,326 INFO  L81            ComplementDD]: Finished complementDD. Result  has 22 states, 22 states have (on average 349.0) internal successors, (7678), 22 states have internal predecessors, (7678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:10,326 INFO  L186             Difference]: Start difference. First operand has 646 places, 588 transitions, 5123 flow. Second operand 21 states and 6458 transitions.
[2021-12-14 16:48:10,327 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 659 transitions, 6641 flow
[2021-12-14 16:48:11,245 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 659 transitions, 6522 flow, removed 37 selfloop flow, removed 3 redundant places.
[2021-12-14 16:48:11,253 INFO  L242             Difference]: Finished difference. Result has 675 places, 612 transitions, 5858 flow
[2021-12-14 16:48:11,254 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=5036, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5858, PETRI_PLACES=675, PETRI_TRANSITIONS=612}
[2021-12-14 16:48:11,254 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 356 predicate places.
[2021-12-14 16:48:11,254 INFO  L470      AbstractCegarLoop]: Abstraction has has 675 places, 612 transitions, 5858 flow
[2021-12-14 16:48:11,255 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:11,255 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-14 16:48:11,255 INFO  L254   CegarLoopForPetriNet]: 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-12-14 16:48:11,255 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2021-12-14 16:48:11,255 INFO  L402      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-14 16:48:11,256 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-14 16:48:11,256 INFO  L85        PathProgramCache]: Analyzing trace with hash -2078172640, now seen corresponding path program 10 times
[2021-12-14 16:48:11,256 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-14 16:48:11,256 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981645159]
[2021-12-14 16:48:11,256 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-14 16:48:11,256 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-14 16:48:11,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-14 16:48:11,415 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-14 16:48:11,416 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-14 16:48:11,416 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981645159]
[2021-12-14 16:48:11,416 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981645159] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-14 16:48:11,416 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-14 16:48:11,416 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-14 16:48:11,416 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34670711]
[2021-12-14 16:48:11,417 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-14 16:48:11,417 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-14 16:48:11,417 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-14 16:48:11,418 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-14 16:48:11,418 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-14 16:48:11,420 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-14 16:48:11,421 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 612 transitions, 5858 flow. Second operand  has 10 states, 10 states have (on average 304.6) internal successors, (3046), 10 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-12-14 16:48:11,421 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-14 16:48:11,422 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-14 16:48:11,422 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand