./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 c3fed411
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-tmp.no-commuhash-c3fed41
[2021-12-17 22:44:13,353 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-12-17 22:44:13,375 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-12-17 22:44:13,405 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-12-17 22:44:13,405 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-12-17 22:44:13,406 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-12-17 22:44:13,407 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-12-17 22:44:13,408 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-12-17 22:44:13,410 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-12-17 22:44:13,410 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-12-17 22:44:13,411 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-12-17 22:44:13,412 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-12-17 22:44:13,412 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-12-17 22:44:13,413 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-12-17 22:44:13,414 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-12-17 22:44:13,415 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-12-17 22:44:13,415 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-12-17 22:44:13,416 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-12-17 22:44:13,417 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-12-17 22:44:13,419 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-12-17 22:44:13,432 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-12-17 22:44:13,435 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-12-17 22:44:13,435 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-12-17 22:44:13,436 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-12-17 22:44:13,438 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-12-17 22:44:13,438 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-12-17 22:44:13,438 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-12-17 22:44:13,439 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-12-17 22:44:13,439 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-12-17 22:44:13,440 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-12-17 22:44:13,440 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-12-17 22:44:13,441 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-12-17 22:44:13,442 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-12-17 22:44:13,443 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-12-17 22:44:13,444 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-12-17 22:44:13,445 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-12-17 22:44:13,446 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-12-17 22:44:13,446 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-12-17 22:44:13,446 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-12-17 22:44:13,447 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-12-17 22:44:13,450 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-12-17 22:44:13,451 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-12-17 22:44:13,472 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-12-17 22:44:13,472 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-12-17 22:44:13,473 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-12-17 22:44:13,473 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-12-17 22:44:13,474 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-12-17 22:44:13,474 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-12-17 22:44:13,474 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-12-17 22:44:13,475 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-12-17 22:44:13,475 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-12-17 22:44:13,475 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-12-17 22:44:13,475 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-12-17 22:44:13,475 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-12-17 22:44:13,476 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-12-17 22:44:13,476 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-12-17 22:44:13,476 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-12-17 22:44:13,476 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-12-17 22:44:13,476 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-12-17 22:44:13,476 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-12-17 22:44:13,476 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-12-17 22:44:13,477 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-12-17 22:44:13,477 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-12-17 22:44:13,477 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-12-17 22:44:13,477 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-12-17 22:44:13,477 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-12-17 22:44:13,477 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-17 22:44:13,478 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-12-17 22:44:13,478 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-12-17 22:44:13,478 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-12-17 22:44:13,478 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-12-17 22:44:13,478 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-12-17 22:44:13,478 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-12-17 22:44:13,479 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-12-17 22:44:13,479 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-12-17 22:44:13,479 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-12-17 22:44:13,479 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
[2021-12-17 22:44:13,698 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-12-17 22:44:13,718 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-12-17 22:44:13,720 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-12-17 22:44:13,721 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-12-17 22:44:13,721 INFO  L275        PluginConnector]: CDTParser initialized
[2021-12-17 22:44:13,722 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-subst.wvr.c
[2021-12-17 22:44:13,770 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7c08bc6/deedbe5647d245cab6284feb0d4d4c39/FLAG5f7da44e2
[2021-12-17 22:44:14,189 INFO  L306              CDTParser]: Found 1 translation units.
[2021-12-17 22:44:14,190 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-subst.wvr.c
[2021-12-17 22:44:14,203 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7c08bc6/deedbe5647d245cab6284feb0d4d4c39/FLAG5f7da44e2
[2021-12-17 22:44:14,214 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7c08bc6/deedbe5647d245cab6284feb0d4d4c39
[2021-12-17 22:44:14,216 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-12-17 22:44:14,217 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-12-17 22:44:14,218 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-12-17 22:44:14,218 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-12-17 22:44:14,221 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-12-17 22:44:14,221 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,222 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3bc5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14, skipping insertion in model container
[2021-12-17 22:44:14,222 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,227 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-12-17 22:44:14,247 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-12-17 22:44:14,388 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]
[2021-12-17 22:44:14,393 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-17 22:44:14,398 INFO  L203         MainTranslator]: Completed pre-run
[2021-12-17 22:44:14,415 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]
[2021-12-17 22:44:14,417 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-12-17 22:44:14,426 INFO  L208         MainTranslator]: Completed translation
[2021-12-17 22:44:14,427 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14 WrapperNode
[2021-12-17 22:44:14,427 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-12-17 22:44:14,428 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-12-17 22:44:14,428 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-12-17 22:44:14,428 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-12-17 22:44:14,433 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,439 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,460 INFO  L137                Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 254
[2021-12-17 22:44:14,461 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-12-17 22:44:14,461 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-12-17 22:44:14,462 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-12-17 22:44:14,462 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-12-17 22:44:14,468 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,468 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,471 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,471 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,476 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,478 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,479 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,482 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-12-17 22:44:14,483 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-12-17 22:44:14,483 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-12-17 22:44:14,483 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-12-17 22:44:14,483 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (1/1) ...
[2021-12-17 22:44:14,501 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-12-17 22:44:14,512 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-12-17 22:44:14,533 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)
[2021-12-17 22:44:14,551 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
[2021-12-17 22:44:14,580 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-12-17 22:44:14,581 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-12-17 22:44:14,581 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-12-17 22:44:14,581 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-12-17 22:44:14,581 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-12-17 22:44:14,581 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-12-17 22:44:14,581 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-12-17 22:44:14,582 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-12-17 22:44:14,582 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-12-17 22:44:14,583 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-12-17 22:44:14,583 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-12-17 22:44:14,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-12-17 22:44:14,583 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-12-17 22:44:14,583 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-12-17 22:44:14,584 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-12-17 22:44:14,676 INFO  L236             CfgBuilder]: Building ICFG
[2021-12-17 22:44:14,677 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-12-17 22:44:15,041 INFO  L277             CfgBuilder]: Performing block encoding
[2021-12-17 22:44:15,054 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-12-17 22:44:15,055 INFO  L301             CfgBuilder]: Removed 0 assume(true) statements.
[2021-12-17 22:44:15,057 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:44:15 BoogieIcfgContainer
[2021-12-17 22:44:15,058 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-12-17 22:44:15,060 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-12-17 22:44:15,060 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-12-17 22:44:15,064 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-12-17 22:44:15,064 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:44:14" (1/3) ...
[2021-12-17 22:44:15,065 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626c1f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:44:15, skipping insertion in model container
[2021-12-17 22:44:15,065 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:44:14" (2/3) ...
[2021-12-17 22:44:15,066 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626c1f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:44:15, skipping insertion in model container
[2021-12-17 22:44:15,066 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:44:15" (3/3) ...
[2021-12-17 22:44:15,069 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c
[2021-12-17 22:44:15,073 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-12-17 22:44:15,074 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-12-17 22:44:15,074 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-12-17 22:44:15,074 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-12-17 22:44:15,109 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,109 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,110 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,110 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,110 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,110 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,110 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,110 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,111 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,111 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,111 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,111 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,111 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,111 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,112 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,112 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,112 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,112 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,112 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,112 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,112 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,113 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,113 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,113 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,113 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,113 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,113 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,114 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,114 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,114 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,114 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,114 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,114 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,114 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,115 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,115 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,115 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,115 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,115 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,115 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,116 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,116 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,116 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,116 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,116 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,116 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,117 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,117 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,117 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,117 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,117 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,117 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,118 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,118 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,118 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,118 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,119 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,120 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,121 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,122 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,123 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,124 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,125 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,126 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,127 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,128 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,129 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,130 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,130 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,130 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,130 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,130 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,130 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,131 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,131 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,131 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,131 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,131 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,131 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,131 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,132 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,132 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,132 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,132 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,132 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,132 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,132 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,133 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,133 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,133 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,133 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,133 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,133 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,134 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,134 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,134 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,134 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,134 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,134 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,135 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,135 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,136 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,136 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,136 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,136 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,137 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,137 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,137 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,138 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,138 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,138 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,138 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,138 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,138 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,138 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,139 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,139 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,139 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,139 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,139 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,139 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,139 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,140 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,140 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,140 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,140 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,140 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,140 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,140 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,141 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,141 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,141 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,141 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,141 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,141 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,141 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,142 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,142 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,142 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,144 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,145 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,146 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,148 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,149 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,150 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,154 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,155 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,163 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,164 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,164 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,164 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,164 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,164 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,164 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,164 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,165 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,165 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,165 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,165 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,165 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,165 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,166 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,167 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,167 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,167 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,167 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,167 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,168 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,168 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,169 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,169 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,169 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,169 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,169 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,169 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,170 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,171 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,171 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,171 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,171 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,171 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,171 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,171 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,172 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,173 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,173 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,173 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,173 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,173 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,173 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,173 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,174 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,174 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,174 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,174 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,174 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,174 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,174 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,175 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,175 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,175 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,175 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,175 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,175 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,175 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,179 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,179 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,180 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,181 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,181 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,181 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,181 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,181 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,181 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,181 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,182 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,182 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,182 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,182 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,182 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,183 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,184 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,187 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,187 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,187 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,187 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,187 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,187 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,188 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,188 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,188 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,189 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,189 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,190 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,190 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,190 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,190 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,190 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,190 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,190 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,191 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,191 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,191 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,191 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,191 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,191 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,192 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,192 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,192 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,192 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,192 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,192 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,193 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,193 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,193 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,193 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,193 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,193 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,194 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,194 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,194 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,194 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,197 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,198 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,199 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,200 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,201 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,201 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,201 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,201 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,201 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,201 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,201 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,211 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,211 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,211 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,211 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,211 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,211 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,211 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,212 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,213 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,213 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,213 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,213 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,213 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,213 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,213 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,214 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,214 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,214 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,214 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,214 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,214 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,215 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,215 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,215 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,215 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,215 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,215 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,215 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,216 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,217 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,218 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,219 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,220 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,220 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,220 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,220 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,220 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,220 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,220 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,221 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,221 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,221 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,221 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,221 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,221 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,222 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,222 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,222 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,222 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,222 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,222 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,223 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,224 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,225 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,226 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,226 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,226 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,226 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,226 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,226 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,227 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,228 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,229 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,230 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,231 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,231 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,231 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,231 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,231 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,231 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,231 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,232 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,232 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,232 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,232 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,232 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,232 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,232 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,233 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,239 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,240 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,241 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,241 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,241 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,241 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,241 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,241 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,242 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,242 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,242 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,249 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,249 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,250 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,251 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,251 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,251 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,251 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,251 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,251 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,251 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,253 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,254 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,254 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,254 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,254 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-12-17 22:44:15,259 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-12-17 22:44:15,294 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-12-17 22:44:15,300 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
[2021-12-17 22:44:15,300 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-12-17 22:44:15,314 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 333 places, 349 transitions, 722 flow
[2021-12-17 22:44:15,406 INFO  L129       PetriNetUnfolder]: 26/346 cut-off events.
[2021-12-17 22:44:15,406 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-17 22:44:15,414 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. 
[2021-12-17 22:44:15,414 INFO  L82        GeneralOperation]: Start removeDead. Operand has 333 places, 349 transitions, 722 flow
[2021-12-17 22:44:15,422 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 319 places, 335 transitions, 688 flow
[2021-12-17 22:44:15,487 INFO  L129       PetriNetUnfolder]: 26/334 cut-off events.
[2021-12-17 22:44:15,488 INFO  L130       PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-12-17 22:44:15,488 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:15,488 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]
[2021-12-17 22:44:15,489 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:15,492 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:15,493 INFO  L85        PathProgramCache]: Analyzing trace with hash -742994273, now seen corresponding path program 1 times
[2021-12-17 22:44:15,498 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:15,499 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11979595]
[2021-12-17 22:44:15,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:15,500 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:15,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:15,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:15,903 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:15,903 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11979595]
[2021-12-17 22:44:15,903 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11979595] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:15,904 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:15,904 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-12-17 22:44:15,905 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638802918]
[2021-12-17 22:44:15,905 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:15,912 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-12-17 22:44:15,912 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:15,930 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-12-17 22:44:15,931 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-12-17 22:44:15,938 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 313 out of 349
[2021-12-17 22:44:15,963 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)
[2021-12-17 22:44:15,963 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:15,963 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 349
[2021-12-17 22:44:15,964 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:16,202 INFO  L129       PetriNetUnfolder]: 31/543 cut-off events.
[2021-12-17 22:44:16,203 INFO  L130       PetriNetUnfolder]: For 33/39 co-relation queries the response was YES.
[2021-12-17 22:44:16,208 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. 
[2021-12-17 22:44:16,212 INFO  L132   encePairwiseOnDemand]: 327/349 looper letters, 26 selfloop transitions, 3 changer transitions 7/336 dead transitions.
[2021-12-17 22:44:16,212 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 336 transitions, 789 flow
[2021-12-17 22:44:16,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-12-17 22:44:16,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-12-17 22:44:16,232 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2580 transitions.
[2021-12-17 22:44:16,237 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9240687679083095
[2021-12-17 22:44:16,238 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 2580 transitions.
[2021-12-17 22:44:16,238 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 2580 transitions.
[2021-12-17 22:44:16,244 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:16,246 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2580 transitions.
[2021-12-17 22:44:16,256 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)
[2021-12-17 22:44:16,273 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)
[2021-12-17 22:44:16,275 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)
[2021-12-17 22:44:16,277 INFO  L186             Difference]: Start difference. First operand has 319 places, 335 transitions, 688 flow. Second operand 8 states and 2580 transitions.
[2021-12-17 22:44:16,278 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 336 transitions, 789 flow
[2021-12-17 22:44:16,283 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 336 transitions, 759 flow, removed 0 selfloop flow, removed 6 redundant places.
[2021-12-17 22:44:16,291 INFO  L242             Difference]: Finished difference. Result has 325 places, 321 transitions, 669 flow
[2021-12-17 22:44:16,293 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}
[2021-12-17 22:44:16,297 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 6 predicate places.
[2021-12-17 22:44:16,298 INFO  L470      AbstractCegarLoop]: Abstraction has has 325 places, 321 transitions, 669 flow
[2021-12-17 22:44:16,299 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)
[2021-12-17 22:44:16,299 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:16,300 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]
[2021-12-17 22:44:16,300 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-12-17 22:44:16,300 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:16,301 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:16,301 INFO  L85        PathProgramCache]: Analyzing trace with hash 1186332343, now seen corresponding path program 1 times
[2021-12-17 22:44:16,301 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:16,302 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542763373]
[2021-12-17 22:44:16,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:16,302 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:16,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:16,561 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:16,562 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:16,562 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542763373]
[2021-12-17 22:44:16,562 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542763373] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:16,562 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:16,562 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-12-17 22:44:16,563 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202152094]
[2021-12-17 22:44:16,563 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:16,565 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-12-17 22:44:16,565 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:16,566 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-12-17 22:44:16,566 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-12-17 22:44:16,569 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:16,571 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)
[2021-12-17 22:44:16,572 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:16,572 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:16,572 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:16,841 INFO  L129       PetriNetUnfolder]: 54/751 cut-off events.
[2021-12-17 22:44:16,841 INFO  L130       PetriNetUnfolder]: For 26/44 co-relation queries the response was YES.
[2021-12-17 22:44:16,847 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. 
[2021-12-17 22:44:16,862 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 33 selfloop transitions, 5 changer transitions 6/341 dead transitions.
[2021-12-17 22:44:16,862 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 341 transitions, 818 flow
[2021-12-17 22:44:16,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-12-17 22:44:16,863 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-12-17 22:44:16,866 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2833 transitions.
[2021-12-17 22:44:16,867 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9019420566698504
[2021-12-17 22:44:16,867 INFO  L72            ComplementDD]: Start complementDD. Operand 9 states and 2833 transitions.
[2021-12-17 22:44:16,867 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 9 states and 2833 transitions.
[2021-12-17 22:44:16,868 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:16,868 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2833 transitions.
[2021-12-17 22:44:16,872 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)
[2021-12-17 22:44:16,891 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)
[2021-12-17 22:44:16,893 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)
[2021-12-17 22:44:16,893 INFO  L186             Difference]: Start difference. First operand has 325 places, 321 transitions, 669 flow. Second operand 9 states and 2833 transitions.
[2021-12-17 22:44:16,893 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 341 transitions, 818 flow
[2021-12-17 22:44:16,896 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 341 transitions, 811 flow, removed 3 selfloop flow, removed 3 redundant places.
[2021-12-17 22:44:16,900 INFO  L242             Difference]: Finished difference. Result has 332 places, 323 transitions, 697 flow
[2021-12-17 22:44:16,911 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}
[2021-12-17 22:44:16,911 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 13 predicate places.
[2021-12-17 22:44:16,912 INFO  L470      AbstractCegarLoop]: Abstraction has has 332 places, 323 transitions, 697 flow
[2021-12-17 22:44:16,913 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)
[2021-12-17 22:44:16,913 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:16,913 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]
[2021-12-17 22:44:16,913 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-12-17 22:44:16,913 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:16,914 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:16,914 INFO  L85        PathProgramCache]: Analyzing trace with hash 1589507655, now seen corresponding path program 1 times
[2021-12-17 22:44:16,914 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:16,914 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063999345]
[2021-12-17 22:44:16,914 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:16,915 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:16,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:17,092 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:17,093 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:17,093 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063999345]
[2021-12-17 22:44:17,093 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063999345] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:17,093 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:17,094 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:44:17,094 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578744084]
[2021-12-17 22:44:17,094 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:17,095 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:44:17,095 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:17,095 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:44:17,095 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:44:17,098 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 307 out of 349
[2021-12-17 22:44:17,100 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)
[2021-12-17 22:44:17,100 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:17,100 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 349
[2021-12-17 22:44:17,100 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:17,393 INFO  L129       PetriNetUnfolder]: 67/775 cut-off events.
[2021-12-17 22:44:17,394 INFO  L130       PetriNetUnfolder]: For 51/77 co-relation queries the response was YES.
[2021-12-17 22:44:17,403 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. 
[2021-12-17 22:44:17,408 INFO  L132   encePairwiseOnDemand]: 338/349 looper letters, 41 selfloop transitions, 8 changer transitions 8/351 dead transitions.
[2021-12-17 22:44:17,408 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 351 transitions, 904 flow
[2021-12-17 22:44:17,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-12-17 22:44:17,409 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-12-17 22:44:17,413 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3738 transitions.
[2021-12-17 22:44:17,414 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8925501432664756
[2021-12-17 22:44:17,414 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 3738 transitions.
[2021-12-17 22:44:17,414 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 3738 transitions.
[2021-12-17 22:44:17,416 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:17,416 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3738 transitions.
[2021-12-17 22:44:17,422 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)
[2021-12-17 22:44:17,428 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)
[2021-12-17 22:44:17,429 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)
[2021-12-17 22:44:17,429 INFO  L186             Difference]: Start difference. First operand has 332 places, 323 transitions, 697 flow. Second operand 12 states and 3738 transitions.
[2021-12-17 22:44:17,430 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 351 transitions, 904 flow
[2021-12-17 22:44:17,435 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 351 transitions, 885 flow, removed 9 selfloop flow, removed 5 redundant places.
[2021-12-17 22:44:17,439 INFO  L242             Difference]: Finished difference. Result has 343 places, 325 transitions, 729 flow
[2021-12-17 22:44:17,440 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}
[2021-12-17 22:44:17,442 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 24 predicate places.
[2021-12-17 22:44:17,442 INFO  L470      AbstractCegarLoop]: Abstraction has has 343 places, 325 transitions, 729 flow
[2021-12-17 22:44:17,443 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)
[2021-12-17 22:44:17,443 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:17,444 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]
[2021-12-17 22:44:17,444 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-12-17 22:44:17,444 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:17,446 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:17,446 INFO  L85        PathProgramCache]: Analyzing trace with hash -232079166, now seen corresponding path program 1 times
[2021-12-17 22:44:17,446 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:17,447 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740076010]
[2021-12-17 22:44:17,447 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:17,447 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:17,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:17,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:17,587 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:17,587 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740076010]
[2021-12-17 22:44:17,587 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740076010] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:17,587 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:17,587 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-12-17 22:44:17,588 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17972419]
[2021-12-17 22:44:17,588 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:17,588 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-12-17 22:44:17,589 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:17,589 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-12-17 22:44:17,591 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2021-12-17 22:44:17,594 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 304 out of 349
[2021-12-17 22:44:17,596 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)
[2021-12-17 22:44:17,596 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:17,596 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 349
[2021-12-17 22:44:17,596 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:17,914 INFO  L129       PetriNetUnfolder]: 88/957 cut-off events.
[2021-12-17 22:44:17,915 INFO  L130       PetriNetUnfolder]: For 96/130 co-relation queries the response was YES.
[2021-12-17 22:44:17,924 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. 
[2021-12-17 22:44:17,927 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 48 selfloop transitions, 10 changer transitions 10/359 dead transitions.
[2021-12-17 22:44:17,927 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 359 transitions, 984 flow
[2021-12-17 22:44:17,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-12-17 22:44:17,928 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2021-12-17 22:44:17,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 4319 transitions.
[2021-12-17 22:44:17,933 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8839541547277937
[2021-12-17 22:44:17,933 INFO  L72            ComplementDD]: Start complementDD. Operand 14 states and 4319 transitions.
[2021-12-17 22:44:17,933 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 14 states and 4319 transitions.
[2021-12-17 22:44:17,935 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:17,935 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 4319 transitions.
[2021-12-17 22:44:17,940 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)
[2021-12-17 22:44:17,945 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)
[2021-12-17 22:44:17,946 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)
[2021-12-17 22:44:17,946 INFO  L186             Difference]: Start difference. First operand has 343 places, 325 transitions, 729 flow. Second operand 14 states and 4319 transitions.
[2021-12-17 22:44:17,946 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 359 transitions, 984 flow
[2021-12-17 22:44:17,949 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 359 transitions, 950 flow, removed 16 selfloop flow, removed 7 redundant places.
[2021-12-17 22:44:17,952 INFO  L242             Difference]: Finished difference. Result has 354 places, 327 transitions, 760 flow
[2021-12-17 22:44:17,953 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}
[2021-12-17 22:44:17,953 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 35 predicate places.
[2021-12-17 22:44:17,954 INFO  L470      AbstractCegarLoop]: Abstraction has has 354 places, 327 transitions, 760 flow
[2021-12-17 22:44:17,954 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)
[2021-12-17 22:44:17,955 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:17,955 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]
[2021-12-17 22:44:17,955 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-12-17 22:44:17,955 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:17,955 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:17,956 INFO  L85        PathProgramCache]: Analyzing trace with hash 1840379948, now seen corresponding path program 1 times
[2021-12-17 22:44:17,956 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:17,956 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302035661]
[2021-12-17 22:44:17,956 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:17,956 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:17,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:18,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:18,074 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:18,074 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302035661]
[2021-12-17 22:44:18,074 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302035661] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:18,074 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:18,074 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:44:18,074 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096770692]
[2021-12-17 22:44:18,075 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:18,075 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:44:18,075 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:18,075 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:44:18,076 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:44:18,078 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-17 22:44:18,080 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)
[2021-12-17 22:44:18,080 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:18,080 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-17 22:44:18,080 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:18,338 INFO  L129       PetriNetUnfolder]: 179/969 cut-off events.
[2021-12-17 22:44:18,338 INFO  L130       PetriNetUnfolder]: For 127/143 co-relation queries the response was YES.
[2021-12-17 22:44:18,347 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. 
[2021-12-17 22:44:18,351 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 49 selfloop transitions, 3 changer transitions 26/381 dead transitions.
[2021-12-17 22:44:18,351 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 381 transitions, 1058 flow
[2021-12-17 22:44:18,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-12-17 22:44:18,352 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-12-17 22:44:18,356 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4083 transitions.
[2021-12-17 22:44:18,357 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.899933877011241
[2021-12-17 22:44:18,357 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 4083 transitions.
[2021-12-17 22:44:18,357 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 4083 transitions.
[2021-12-17 22:44:18,359 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:18,359 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4083 transitions.
[2021-12-17 22:44:18,364 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)
[2021-12-17 22:44:18,368 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)
[2021-12-17 22:44:18,369 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)
[2021-12-17 22:44:18,369 INFO  L186             Difference]: Start difference. First operand has 354 places, 327 transitions, 760 flow. Second operand 13 states and 4083 transitions.
[2021-12-17 22:44:18,369 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 381 transitions, 1058 flow
[2021-12-17 22:44:18,372 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 381 transitions, 1012 flow, removed 22 selfloop flow, removed 9 redundant places.
[2021-12-17 22:44:18,375 INFO  L242             Difference]: Finished difference. Result has 360 places, 329 transitions, 769 flow
[2021-12-17 22:44:18,375 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}
[2021-12-17 22:44:18,376 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places.
[2021-12-17 22:44:18,376 INFO  L470      AbstractCegarLoop]: Abstraction has has 360 places, 329 transitions, 769 flow
[2021-12-17 22:44:18,377 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)
[2021-12-17 22:44:18,377 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:18,377 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]
[2021-12-17 22:44:18,377 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-12-17 22:44:18,377 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:18,378 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:18,378 INFO  L85        PathProgramCache]: Analyzing trace with hash -27308194, now seen corresponding path program 2 times
[2021-12-17 22:44:18,378 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:18,378 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476289795]
[2021-12-17 22:44:18,378 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:18,378 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:18,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:18,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:18,482 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:18,482 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476289795]
[2021-12-17 22:44:18,482 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476289795] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:18,482 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:18,482 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:44:18,482 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492304158]
[2021-12-17 22:44:18,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:18,483 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:44:18,483 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:18,483 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:44:18,484 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:44:18,486 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-17 22:44:18,487 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)
[2021-12-17 22:44:18,487 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:18,487 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-17 22:44:18,488 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:18,859 INFO  L129       PetriNetUnfolder]: 255/1411 cut-off events.
[2021-12-17 22:44:18,859 INFO  L130       PetriNetUnfolder]: For 780/805 co-relation queries the response was YES.
[2021-12-17 22:44:18,869 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. 
[2021-12-17 22:44:18,874 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 56 selfloop transitions, 3 changer transitions 25/387 dead transitions.
[2021-12-17 22:44:18,874 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 387 transitions, 1182 flow
[2021-12-17 22:44:18,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-12-17 22:44:18,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-12-17 22:44:18,880 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4081 transitions.
[2021-12-17 22:44:18,881 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8994930570861803
[2021-12-17 22:44:18,881 INFO  L72            ComplementDD]: Start complementDD. Operand 13 states and 4081 transitions.
[2021-12-17 22:44:18,881 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 13 states and 4081 transitions.
[2021-12-17 22:44:18,883 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:18,883 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4081 transitions.
[2021-12-17 22:44:18,888 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)
[2021-12-17 22:44:18,893 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)
[2021-12-17 22:44:18,894 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)
[2021-12-17 22:44:18,894 INFO  L186             Difference]: Start difference. First operand has 360 places, 329 transitions, 769 flow. Second operand 13 states and 4081 transitions.
[2021-12-17 22:44:18,894 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 387 transitions, 1182 flow
[2021-12-17 22:44:18,898 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 387 transitions, 1140 flow, removed 19 selfloop flow, removed 7 redundant places.
[2021-12-17 22:44:18,901 INFO  L242             Difference]: Finished difference. Result has 368 places, 331 transitions, 803 flow
[2021-12-17 22:44:18,902 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}
[2021-12-17 22:44:18,902 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 49 predicate places.
[2021-12-17 22:44:18,902 INFO  L470      AbstractCegarLoop]: Abstraction has has 368 places, 331 transitions, 803 flow
[2021-12-17 22:44:18,903 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)
[2021-12-17 22:44:18,903 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:18,903 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]
[2021-12-17 22:44:18,903 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-12-17 22:44:18,904 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:18,904 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:18,904 INFO  L85        PathProgramCache]: Analyzing trace with hash 157564496, now seen corresponding path program 3 times
[2021-12-17 22:44:18,904 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:18,904 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166406410]
[2021-12-17 22:44:18,904 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:18,905 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:18,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:19,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:19,003 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:19,003 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166406410]
[2021-12-17 22:44:19,003 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166406410] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:19,003 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:19,003 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:44:19,003 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343102732]
[2021-12-17 22:44:19,003 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:19,004 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:44:19,004 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:19,004 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:44:19,004 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:44:19,006 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-17 22:44:19,008 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)
[2021-12-17 22:44:19,008 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:19,008 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-17 22:44:19,008 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:19,360 INFO  L129       PetriNetUnfolder]: 270/1432 cut-off events.
[2021-12-17 22:44:19,361 INFO  L130       PetriNetUnfolder]: For 1504/1523 co-relation queries the response was YES.
[2021-12-17 22:44:19,372 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. 
[2021-12-17 22:44:19,377 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 38 selfloop transitions, 8 changer transitions 20/369 dead transitions.
[2021-12-17 22:44:19,378 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 369 transitions, 1143 flow
[2021-12-17 22:44:19,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-12-17 22:44:19,378 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-12-17 22:44:19,382 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3759 transitions.
[2021-12-17 22:44:19,383 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8975644699140402
[2021-12-17 22:44:19,383 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 3759 transitions.
[2021-12-17 22:44:19,383 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 3759 transitions.
[2021-12-17 22:44:19,384 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:19,385 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3759 transitions.
[2021-12-17 22:44:19,390 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)
[2021-12-17 22:44:19,395 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)
[2021-12-17 22:44:19,396 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)
[2021-12-17 22:44:19,396 INFO  L186             Difference]: Start difference. First operand has 368 places, 331 transitions, 803 flow. Second operand 12 states and 3759 transitions.
[2021-12-17 22:44:19,397 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 369 transitions, 1143 flow
[2021-12-17 22:44:19,404 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 369 transitions, 1115 flow, removed 13 selfloop flow, removed 7 redundant places.
[2021-12-17 22:44:19,409 INFO  L242             Difference]: Finished difference. Result has 371 places, 338 transitions, 893 flow
[2021-12-17 22:44:19,409 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}
[2021-12-17 22:44:19,410 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 52 predicate places.
[2021-12-17 22:44:19,410 INFO  L470      AbstractCegarLoop]: Abstraction has has 371 places, 338 transitions, 893 flow
[2021-12-17 22:44:19,411 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)
[2021-12-17 22:44:19,411 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:19,411 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]
[2021-12-17 22:44:19,412 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-12-17 22:44:19,412 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:19,412 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:19,412 INFO  L85        PathProgramCache]: Analyzing trace with hash -2047788938, now seen corresponding path program 4 times
[2021-12-17 22:44:19,412 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:19,413 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252126194]
[2021-12-17 22:44:19,413 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:19,413 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:19,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:19,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:19,528 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:19,529 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252126194]
[2021-12-17 22:44:19,529 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252126194] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:19,529 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:19,529 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:44:19,529 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403415286]
[2021-12-17 22:44:19,529 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:19,530 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:44:19,530 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:19,530 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:44:19,531 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:44:19,533 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-17 22:44:19,535 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)
[2021-12-17 22:44:19,535 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:19,536 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-17 22:44:19,536 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:19,862 INFO  L129       PetriNetUnfolder]: 262/1412 cut-off events.
[2021-12-17 22:44:19,862 INFO  L130       PetriNetUnfolder]: For 1807/1837 co-relation queries the response was YES.
[2021-12-17 22:44:19,877 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. 
[2021-12-17 22:44:19,884 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 38 selfloop transitions, 12 changer transitions 19/372 dead transitions.
[2021-12-17 22:44:19,884 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 372 transitions, 1231 flow
[2021-12-17 22:44:19,885 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-17 22:44:19,885 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-17 22:44:19,888 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3450 transitions.
[2021-12-17 22:44:19,889 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8986715290440219
[2021-12-17 22:44:19,889 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3450 transitions.
[2021-12-17 22:44:19,889 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3450 transitions.
[2021-12-17 22:44:19,890 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:19,891 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3450 transitions.
[2021-12-17 22:44:19,894 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)
[2021-12-17 22:44:19,899 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)
[2021-12-17 22:44:19,899 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)
[2021-12-17 22:44:19,900 INFO  L186             Difference]: Start difference. First operand has 371 places, 338 transitions, 893 flow. Second operand 11 states and 3450 transitions.
[2021-12-17 22:44:19,900 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 372 transitions, 1231 flow
[2021-12-17 22:44:19,906 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 372 transitions, 1209 flow, removed 11 selfloop flow, removed 3 redundant places.
[2021-12-17 22:44:19,910 INFO  L242             Difference]: Finished difference. Result has 380 places, 343 transitions, 984 flow
[2021-12-17 22:44:19,911 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}
[2021-12-17 22:44:19,913 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places.
[2021-12-17 22:44:19,913 INFO  L470      AbstractCegarLoop]: Abstraction has has 380 places, 343 transitions, 984 flow
[2021-12-17 22:44:19,913 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)
[2021-12-17 22:44:19,913 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:19,914 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]
[2021-12-17 22:44:19,914 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-12-17 22:44:19,914 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:19,914 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:19,914 INFO  L85        PathProgramCache]: Analyzing trace with hash 1545102218, now seen corresponding path program 5 times
[2021-12-17 22:44:19,914 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:19,915 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909754053]
[2021-12-17 22:44:19,915 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:19,915 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:19,957 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:20,035 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:20,035 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:20,035 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909754053]
[2021-12-17 22:44:20,035 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909754053] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:20,036 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:20,036 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:44:20,036 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779705700]
[2021-12-17 22:44:20,036 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:20,036 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:44:20,036 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:20,037 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:44:20,037 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:44:20,039 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-17 22:44:20,041 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)
[2021-12-17 22:44:20,041 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:20,041 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-17 22:44:20,041 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:20,399 INFO  L129       PetriNetUnfolder]: 247/1398 cut-off events.
[2021-12-17 22:44:20,399 INFO  L130       PetriNetUnfolder]: For 2357/2376 co-relation queries the response was YES.
[2021-12-17 22:44:20,413 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. 
[2021-12-17 22:44:20,419 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 36 selfloop transitions, 4 changer transitions 26/369 dead transitions.
[2021-12-17 22:44:20,419 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 369 transitions, 1263 flow
[2021-12-17 22:44:20,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-12-17 22:44:20,420 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-12-17 22:44:20,425 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3446 transitions.
[2021-12-17 22:44:20,426 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8976295910393332
[2021-12-17 22:44:20,426 INFO  L72            ComplementDD]: Start complementDD. Operand 11 states and 3446 transitions.
[2021-12-17 22:44:20,426 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 11 states and 3446 transitions.
[2021-12-17 22:44:20,428 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:20,428 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3446 transitions.
[2021-12-17 22:44:20,435 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)
[2021-12-17 22:44:20,441 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)
[2021-12-17 22:44:20,441 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)
[2021-12-17 22:44:20,441 INFO  L186             Difference]: Start difference. First operand has 380 places, 343 transitions, 984 flow. Second operand 11 states and 3446 transitions.
[2021-12-17 22:44:20,442 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 369 transitions, 1263 flow
[2021-12-17 22:44:20,449 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 369 transitions, 1220 flow, removed 17 selfloop flow, removed 5 redundant places.
[2021-12-17 22:44:20,453 INFO  L242             Difference]: Finished difference. Result has 385 places, 337 transitions, 898 flow
[2021-12-17 22:44:20,453 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}
[2021-12-17 22:44:20,454 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 66 predicate places.
[2021-12-17 22:44:20,455 INFO  L470      AbstractCegarLoop]: Abstraction has has 385 places, 337 transitions, 898 flow
[2021-12-17 22:44:20,455 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)
[2021-12-17 22:44:20,455 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:20,456 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]
[2021-12-17 22:44:20,456 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-12-17 22:44:20,456 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:20,456 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:20,457 INFO  L85        PathProgramCache]: Analyzing trace with hash 2112607538, now seen corresponding path program 6 times
[2021-12-17 22:44:20,457 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:20,457 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438342313]
[2021-12-17 22:44:20,457 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:20,457 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:20,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:20,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:20,575 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:20,576 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438342313]
[2021-12-17 22:44:20,576 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438342313] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:20,578 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:20,578 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-12-17 22:44:20,578 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273515721]
[2021-12-17 22:44:20,578 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:20,579 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-12-17 22:44:20,580 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:20,581 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-12-17 22:44:20,581 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-12-17 22:44:20,584 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 308 out of 349
[2021-12-17 22:44:20,587 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)
[2021-12-17 22:44:20,587 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:20,587 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 349
[2021-12-17 22:44:20,587 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:20,906 INFO  L129       PetriNetUnfolder]: 221/1226 cut-off events.
[2021-12-17 22:44:20,906 INFO  L130       PetriNetUnfolder]: For 2122/2146 co-relation queries the response was YES.
[2021-12-17 22:44:20,920 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. 
[2021-12-17 22:44:20,924 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 31 selfloop transitions, 2 changer transitions 28/364 dead transitions.
[2021-12-17 22:44:20,924 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 364 transitions, 1162 flow
[2021-12-17 22:44:20,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-12-17 22:44:20,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-12-17 22:44:20,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3756 transitions.
[2021-12-17 22:44:20,930 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8968481375358166
[2021-12-17 22:44:20,930 INFO  L72            ComplementDD]: Start complementDD. Operand 12 states and 3756 transitions.
[2021-12-17 22:44:20,930 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 12 states and 3756 transitions.
[2021-12-17 22:44:20,931 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:20,931 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3756 transitions.
[2021-12-17 22:44:20,935 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)
[2021-12-17 22:44:20,981 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)
[2021-12-17 22:44:20,982 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)
[2021-12-17 22:44:20,982 INFO  L186             Difference]: Start difference. First operand has 385 places, 337 transitions, 898 flow. Second operand 12 states and 3756 transitions.
[2021-12-17 22:44:20,982 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 364 transitions, 1162 flow
[2021-12-17 22:44:20,990 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 364 transitions, 1112 flow, removed 16 selfloop flow, removed 11 redundant places.
[2021-12-17 22:44:20,994 INFO  L242             Difference]: Finished difference. Result has 380 places, 331 transitions, 826 flow
[2021-12-17 22:44:20,995 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}
[2021-12-17 22:44:20,995 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places.
[2021-12-17 22:44:20,995 INFO  L470      AbstractCegarLoop]: Abstraction has has 380 places, 331 transitions, 826 flow
[2021-12-17 22:44:20,996 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)
[2021-12-17 22:44:20,996 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:20,996 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]
[2021-12-17 22:44:20,996 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-12-17 22:44:20,997 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:20,997 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:20,997 INFO  L85        PathProgramCache]: Analyzing trace with hash 1595665028, now seen corresponding path program 1 times
[2021-12-17 22:44:20,997 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:20,999 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665544919]
[2021-12-17 22:44:20,999 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:20,999 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:21,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:21,062 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:21,062 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:21,062 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665544919]
[2021-12-17 22:44:21,062 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665544919] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:21,063 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:21,063 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:21,063 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95403584]
[2021-12-17 22:44:21,063 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:21,063 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:21,064 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:21,064 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:21,064 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:21,065 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:21,066 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)
[2021-12-17 22:44:21,066 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:21,066 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:21,066 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:21,583 INFO  L129       PetriNetUnfolder]: 560/3302 cut-off events.
[2021-12-17 22:44:21,584 INFO  L130       PetriNetUnfolder]: For 2780/2878 co-relation queries the response was YES.
[2021-12-17 22:44:21,607 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. 
[2021-12-17 22:44:21,614 INFO  L132   encePairwiseOnDemand]: 345/349 looper letters, 37 selfloop transitions, 2 changer transitions 4/348 dead transitions.
[2021-12-17 22:44:21,615 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 348 transitions, 949 flow
[2021-12-17 22:44:21,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:21,615 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:21,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1283 transitions.
[2021-12-17 22:44:21,616 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.919054441260745
[2021-12-17 22:44:21,617 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1283 transitions.
[2021-12-17 22:44:21,617 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1283 transitions.
[2021-12-17 22:44:21,617 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:21,617 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1283 transitions.
[2021-12-17 22:44:21,618 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)
[2021-12-17 22:44:21,620 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)
[2021-12-17 22:44:21,620 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)
[2021-12-17 22:44:21,620 INFO  L186             Difference]: Start difference. First operand has 380 places, 331 transitions, 826 flow. Second operand 4 states and 1283 transitions.
[2021-12-17 22:44:21,620 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 348 transitions, 949 flow
[2021-12-17 22:44:21,637 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 348 transitions, 921 flow, removed 10 selfloop flow, removed 13 redundant places.
[2021-12-17 22:44:21,640 INFO  L242             Difference]: Finished difference. Result has 360 places, 330 transitions, 803 flow
[2021-12-17 22:44:21,640 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}
[2021-12-17 22:44:21,641 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places.
[2021-12-17 22:44:21,641 INFO  L470      AbstractCegarLoop]: Abstraction has has 360 places, 330 transitions, 803 flow
[2021-12-17 22:44:21,641 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)
[2021-12-17 22:44:21,641 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:21,642 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]
[2021-12-17 22:44:21,642 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-12-17 22:44:21,642 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:21,642 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:21,643 INFO  L85        PathProgramCache]: Analyzing trace with hash 1521460524, now seen corresponding path program 2 times
[2021-12-17 22:44:21,643 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:21,643 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582067185]
[2021-12-17 22:44:21,643 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:21,643 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:21,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:21,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:21,693 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:21,693 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582067185]
[2021-12-17 22:44:21,693 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582067185] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:21,693 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:21,693 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:21,693 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874660542]
[2021-12-17 22:44:21,694 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:21,694 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:21,694 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:21,694 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:21,694 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:21,696 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:21,697 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)
[2021-12-17 22:44:21,697 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:21,697 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:21,697 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:22,214 INFO  L129       PetriNetUnfolder]: 477/3426 cut-off events.
[2021-12-17 22:44:22,215 INFO  L130       PetriNetUnfolder]: For 1643/1728 co-relation queries the response was YES.
[2021-12-17 22:44:22,243 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. 
[2021-12-17 22:44:22,252 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 47 selfloop transitions, 8 changer transitions 1/361 dead transitions.
[2021-12-17 22:44:22,252 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 361 transitions, 1003 flow
[2021-12-17 22:44:22,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:22,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:22,253 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1607 transitions.
[2021-12-17 22:44:22,254 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9209169054441261
[2021-12-17 22:44:22,254 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1607 transitions.
[2021-12-17 22:44:22,254 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1607 transitions.
[2021-12-17 22:44:22,254 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:22,254 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1607 transitions.
[2021-12-17 22:44:22,256 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)
[2021-12-17 22:44:22,258 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)
[2021-12-17 22:44:22,258 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)
[2021-12-17 22:44:22,258 INFO  L186             Difference]: Start difference. First operand has 360 places, 330 transitions, 803 flow. Second operand 5 states and 1607 transitions.
[2021-12-17 22:44:22,258 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 361 transitions, 1003 flow
[2021-12-17 22:44:22,323 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 361 transitions, 997 flow, removed 2 selfloop flow, removed 3 redundant places.
[2021-12-17 22:44:22,326 INFO  L242             Difference]: Finished difference. Result has 360 places, 337 transitions, 864 flow
[2021-12-17 22:44:22,326 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}
[2021-12-17 22:44:22,327 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 41 predicate places.
[2021-12-17 22:44:22,327 INFO  L470      AbstractCegarLoop]: Abstraction has has 360 places, 337 transitions, 864 flow
[2021-12-17 22:44:22,328 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)
[2021-12-17 22:44:22,328 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:22,328 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]
[2021-12-17 22:44:22,328 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-12-17 22:44:22,328 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:22,329 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:22,329 INFO  L85        PathProgramCache]: Analyzing trace with hash -1161190256, now seen corresponding path program 3 times
[2021-12-17 22:44:22,329 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:22,329 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170940442]
[2021-12-17 22:44:22,329 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:22,330 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:22,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:22,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:22,381 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:22,381 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170940442]
[2021-12-17 22:44:22,381 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170940442] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:22,381 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:22,381 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:22,381 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242402056]
[2021-12-17 22:44:22,381 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:22,382 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:22,382 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:22,382 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:22,382 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:22,384 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:22,385 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)
[2021-12-17 22:44:22,385 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:22,385 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:22,385 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:23,117 INFO  L129       PetriNetUnfolder]: 619/4557 cut-off events.
[2021-12-17 22:44:23,117 INFO  L130       PetriNetUnfolder]: For 3052/3180 co-relation queries the response was YES.
[2021-12-17 22:44:23,247 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. 
[2021-12-17 22:44:23,260 INFO  L132   encePairwiseOnDemand]: 345/349 looper letters, 45 selfloop transitions, 4 changer transitions 1/355 dead transitions.
[2021-12-17 22:44:23,260 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 1036 flow
[2021-12-17 22:44:23,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:23,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:23,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1282 transitions.
[2021-12-17 22:44:23,262 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9183381088825215
[2021-12-17 22:44:23,263 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1282 transitions.
[2021-12-17 22:44:23,263 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1282 transitions.
[2021-12-17 22:44:23,263 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:23,263 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1282 transitions.
[2021-12-17 22:44:23,266 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)
[2021-12-17 22:44:23,267 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)
[2021-12-17 22:44:23,268 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)
[2021-12-17 22:44:23,268 INFO  L186             Difference]: Start difference. First operand has 360 places, 337 transitions, 864 flow. Second operand 4 states and 1282 transitions.
[2021-12-17 22:44:23,268 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 1036 flow
[2021-12-17 22:44:23,277 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 355 transitions, 1026 flow, removed 5 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:23,280 INFO  L242             Difference]: Finished difference. Result has 365 places, 338 transitions, 883 flow
[2021-12-17 22:44:23,280 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}
[2021-12-17 22:44:23,281 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 46 predicate places.
[2021-12-17 22:44:23,281 INFO  L470      AbstractCegarLoop]: Abstraction has has 365 places, 338 transitions, 883 flow
[2021-12-17 22:44:23,282 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)
[2021-12-17 22:44:23,282 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:23,282 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]
[2021-12-17 22:44:23,282 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-12-17 22:44:23,282 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:23,283 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:23,283 INFO  L85        PathProgramCache]: Analyzing trace with hash -773437546, now seen corresponding path program 4 times
[2021-12-17 22:44:23,283 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:23,283 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316059001]
[2021-12-17 22:44:23,283 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:23,283 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:23,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:23,338 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:23,339 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:23,340 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316059001]
[2021-12-17 22:44:23,340 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316059001] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:23,340 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:23,340 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:23,340 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842922687]
[2021-12-17 22:44:23,340 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:23,341 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:23,341 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:23,341 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:23,342 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:23,343 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:23,344 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)
[2021-12-17 22:44:23,344 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:23,344 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:23,344 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:24,045 INFO  L129       PetriNetUnfolder]: 547/4175 cut-off events.
[2021-12-17 22:44:24,045 INFO  L130       PetriNetUnfolder]: For 3851/3952 co-relation queries the response was YES.
[2021-12-17 22:44:24,070 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. 
[2021-12-17 22:44:24,080 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 48 selfloop transitions, 12 changer transitions 5/370 dead transitions.
[2021-12-17 22:44:24,080 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 370 transitions, 1162 flow
[2021-12-17 22:44:24,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:24,081 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:24,082 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions.
[2021-12-17 22:44:24,082 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9203438395415473
[2021-12-17 22:44:24,082 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1606 transitions.
[2021-12-17 22:44:24,082 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1606 transitions.
[2021-12-17 22:44:24,083 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:24,083 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1606 transitions.
[2021-12-17 22:44:24,084 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)
[2021-12-17 22:44:24,086 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)
[2021-12-17 22:44:24,086 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)
[2021-12-17 22:44:24,086 INFO  L186             Difference]: Start difference. First operand has 365 places, 338 transitions, 883 flow. Second operand 5 states and 1606 transitions.
[2021-12-17 22:44:24,086 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 370 transitions, 1162 flow
[2021-12-17 22:44:24,103 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 1158 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:24,106 INFO  L242             Difference]: Finished difference. Result has 372 places, 346 transitions, 987 flow
[2021-12-17 22:44:24,106 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}
[2021-12-17 22:44:24,107 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 53 predicate places.
[2021-12-17 22:44:24,107 INFO  L470      AbstractCegarLoop]: Abstraction has has 372 places, 346 transitions, 987 flow
[2021-12-17 22:44:24,108 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)
[2021-12-17 22:44:24,108 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:24,108 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]
[2021-12-17 22:44:24,108 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-12-17 22:44:24,108 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:24,109 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:24,109 INFO  L85        PathProgramCache]: Analyzing trace with hash 90776712, now seen corresponding path program 5 times
[2021-12-17 22:44:24,109 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:24,110 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133189805]
[2021-12-17 22:44:24,110 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:24,110 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:24,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:24,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:24,163 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:24,163 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133189805]
[2021-12-17 22:44:24,164 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133189805] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:24,164 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:24,164 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:24,164 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404511396]
[2021-12-17 22:44:24,164 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:24,164 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:24,164 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:24,165 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:24,165 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:24,166 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:24,167 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)
[2021-12-17 22:44:24,167 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:24,167 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:24,167 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:25,002 INFO  L129       PetriNetUnfolder]: 569/4622 cut-off events.
[2021-12-17 22:44:25,003 INFO  L130       PetriNetUnfolder]: For 4614/4690 co-relation queries the response was YES.
[2021-12-17 22:44:25,037 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. 
[2021-12-17 22:44:25,049 INFO  L132   encePairwiseOnDemand]: 339/349 looper letters, 57 selfloop transitions, 10 changer transitions 7/379 dead transitions.
[2021-12-17 22:44:25,050 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 379 transitions, 1291 flow
[2021-12-17 22:44:25,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:25,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:25,053 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions.
[2021-12-17 22:44:25,055 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92378223495702
[2021-12-17 22:44:25,056 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1612 transitions.
[2021-12-17 22:44:25,056 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1612 transitions.
[2021-12-17 22:44:25,057 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:25,058 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1612 transitions.
[2021-12-17 22:44:25,061 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)
[2021-12-17 22:44:25,063 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)
[2021-12-17 22:44:25,064 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)
[2021-12-17 22:44:25,064 INFO  L186             Difference]: Start difference. First operand has 372 places, 346 transitions, 987 flow. Second operand 5 states and 1612 transitions.
[2021-12-17 22:44:25,064 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 379 transitions, 1291 flow
[2021-12-17 22:44:25,088 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 379 transitions, 1273 flow, removed 9 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:25,091 INFO  L242             Difference]: Finished difference. Result has 377 places, 349 transitions, 1038 flow
[2021-12-17 22:44:25,093 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}
[2021-12-17 22:44:25,093 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 58 predicate places.
[2021-12-17 22:44:25,093 INFO  L470      AbstractCegarLoop]: Abstraction has has 377 places, 349 transitions, 1038 flow
[2021-12-17 22:44:25,094 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)
[2021-12-17 22:44:25,094 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:25,094 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]
[2021-12-17 22:44:25,094 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-12-17 22:44:25,094 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:25,095 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:25,095 INFO  L85        PathProgramCache]: Analyzing trace with hash 1887567964, now seen corresponding path program 1 times
[2021-12-17 22:44:25,095 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:25,095 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725969885]
[2021-12-17 22:44:25,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:25,095 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:25,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:25,151 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:25,152 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:25,152 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725969885]
[2021-12-17 22:44:25,153 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725969885] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:25,153 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:25,154 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:25,154 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854428537]
[2021-12-17 22:44:25,154 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:25,155 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:25,155 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:25,155 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:25,155 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:25,156 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:25,157 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)
[2021-12-17 22:44:25,157 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:25,157 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:25,157 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:25,985 INFO  L129       PetriNetUnfolder]: 512/4437 cut-off events.
[2021-12-17 22:44:25,985 INFO  L130       PetriNetUnfolder]: For 4786/5070 co-relation queries the response was YES.
[2021-12-17 22:44:26,024 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. 
[2021-12-17 22:44:26,037 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 67 selfloop transitions, 14 changer transitions 5/391 dead transitions.
[2021-12-17 22:44:26,037 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 391 transitions, 1516 flow
[2021-12-17 22:44:26,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:26,038 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:26,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1608 transitions.
[2021-12-17 22:44:26,040 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9214899713467049
[2021-12-17 22:44:26,040 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1608 transitions.
[2021-12-17 22:44:26,040 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1608 transitions.
[2021-12-17 22:44:26,041 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:26,041 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1608 transitions.
[2021-12-17 22:44:26,043 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)
[2021-12-17 22:44:26,044 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)
[2021-12-17 22:44:26,045 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)
[2021-12-17 22:44:26,045 INFO  L186             Difference]: Start difference. First operand has 377 places, 349 transitions, 1038 flow. Second operand 5 states and 1608 transitions.
[2021-12-17 22:44:26,045 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 391 transitions, 1516 flow
[2021-12-17 22:44:26,069 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 391 transitions, 1498 flow, removed 6 selfloop flow, removed 4 redundant places.
[2021-12-17 22:44:26,072 INFO  L242             Difference]: Finished difference. Result has 380 places, 360 transitions, 1184 flow
[2021-12-17 22:44:26,073 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}
[2021-12-17 22:44:26,073 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 61 predicate places.
[2021-12-17 22:44:26,073 INFO  L470      AbstractCegarLoop]: Abstraction has has 380 places, 360 transitions, 1184 flow
[2021-12-17 22:44:26,074 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)
[2021-12-17 22:44:26,074 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:26,074 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]
[2021-12-17 22:44:26,074 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-12-17 22:44:26,074 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:26,075 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:26,075 INFO  L85        PathProgramCache]: Analyzing trace with hash -1134796298, now seen corresponding path program 2 times
[2021-12-17 22:44:26,075 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:26,075 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895678983]
[2021-12-17 22:44:26,075 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:26,075 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:26,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:26,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:26,116 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:26,116 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895678983]
[2021-12-17 22:44:26,116 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895678983] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:26,116 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:26,116 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:26,117 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312927049]
[2021-12-17 22:44:26,117 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:26,117 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:26,117 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:26,118 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:26,118 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:26,119 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:26,120 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)
[2021-12-17 22:44:26,120 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:26,120 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:26,120 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:27,017 INFO  L129       PetriNetUnfolder]: 547/4727 cut-off events.
[2021-12-17 22:44:27,018 INFO  L130       PetriNetUnfolder]: For 5598/5914 co-relation queries the response was YES.
[2021-12-17 22:44:27,049 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. 
[2021-12-17 22:44:27,060 INFO  L132   encePairwiseOnDemand]: 339/349 looper letters, 66 selfloop transitions, 16 changer transitions 4/391 dead transitions.
[2021-12-17 22:44:27,060 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 391 transitions, 1530 flow
[2021-12-17 22:44:27,061 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:27,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:27,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1612 transitions.
[2021-12-17 22:44:27,063 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.92378223495702
[2021-12-17 22:44:27,063 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1612 transitions.
[2021-12-17 22:44:27,063 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1612 transitions.
[2021-12-17 22:44:27,063 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:27,063 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1612 transitions.
[2021-12-17 22:44:27,065 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)
[2021-12-17 22:44:27,067 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)
[2021-12-17 22:44:27,067 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)
[2021-12-17 22:44:27,068 INFO  L186             Difference]: Start difference. First operand has 380 places, 360 transitions, 1184 flow. Second operand 5 states and 1612 transitions.
[2021-12-17 22:44:27,068 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 391 transitions, 1530 flow
[2021-12-17 22:44:27,083 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 391 transitions, 1514 flow, removed 8 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:27,086 INFO  L242             Difference]: Finished difference. Result has 386 places, 365 transitions, 1287 flow
[2021-12-17 22:44:27,087 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}
[2021-12-17 22:44:27,087 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 67 predicate places.
[2021-12-17 22:44:27,087 INFO  L470      AbstractCegarLoop]: Abstraction has has 386 places, 365 transitions, 1287 flow
[2021-12-17 22:44:27,088 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)
[2021-12-17 22:44:27,088 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:27,088 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]
[2021-12-17 22:44:27,088 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-12-17 22:44:27,088 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:27,089 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:27,089 INFO  L85        PathProgramCache]: Analyzing trace with hash 1721851518, now seen corresponding path program 3 times
[2021-12-17 22:44:27,089 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:27,089 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834306012]
[2021-12-17 22:44:27,089 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:27,089 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:27,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:27,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:27,128 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:27,128 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834306012]
[2021-12-17 22:44:27,128 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834306012] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:27,128 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:27,128 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:27,128 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763305808]
[2021-12-17 22:44:27,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:27,129 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:27,129 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:27,129 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:27,129 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:27,130 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:27,131 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)
[2021-12-17 22:44:27,131 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:27,131 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:27,131 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:27,764 INFO  L129       PetriNetUnfolder]: 441/3936 cut-off events.
[2021-12-17 22:44:27,764 INFO  L130       PetriNetUnfolder]: For 6155/6468 co-relation queries the response was YES.
[2021-12-17 22:44:27,811 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. 
[2021-12-17 22:44:27,822 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 68 selfloop transitions, 20 changer transitions 1/394 dead transitions.
[2021-12-17 22:44:27,823 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 394 transitions, 1702 flow
[2021-12-17 22:44:27,823 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:27,823 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:27,824 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1604 transitions.
[2021-12-17 22:44:27,825 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9191977077363896
[2021-12-17 22:44:27,825 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1604 transitions.
[2021-12-17 22:44:27,825 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1604 transitions.
[2021-12-17 22:44:27,826 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:27,826 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1604 transitions.
[2021-12-17 22:44:27,828 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)
[2021-12-17 22:44:27,829 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)
[2021-12-17 22:44:27,830 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)
[2021-12-17 22:44:27,830 INFO  L186             Difference]: Start difference. First operand has 386 places, 365 transitions, 1287 flow. Second operand 5 states and 1604 transitions.
[2021-12-17 22:44:27,830 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 394 transitions, 1702 flow
[2021-12-17 22:44:27,859 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 394 transitions, 1684 flow, removed 9 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:27,863 INFO  L242             Difference]: Finished difference. Result has 393 places, 374 transitions, 1460 flow
[2021-12-17 22:44:27,864 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}
[2021-12-17 22:44:27,864 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 74 predicate places.
[2021-12-17 22:44:27,864 INFO  L470      AbstractCegarLoop]: Abstraction has has 393 places, 374 transitions, 1460 flow
[2021-12-17 22:44:27,865 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)
[2021-12-17 22:44:27,865 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:27,865 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]
[2021-12-17 22:44:27,865 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-12-17 22:44:27,865 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:27,866 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:27,866 INFO  L85        PathProgramCache]: Analyzing trace with hash 332516982, now seen corresponding path program 4 times
[2021-12-17 22:44:27,866 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:27,866 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091206608]
[2021-12-17 22:44:27,866 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:27,866 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:27,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:27,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:27,902 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:27,902 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091206608]
[2021-12-17 22:44:27,903 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091206608] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:27,903 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:27,903 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:27,903 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020636304]
[2021-12-17 22:44:27,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:27,904 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:27,904 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:27,905 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:27,905 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:27,906 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:27,906 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)
[2021-12-17 22:44:27,906 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:27,906 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:27,906 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:28,765 INFO  L129       PetriNetUnfolder]: 510/4611 cut-off events.
[2021-12-17 22:44:28,766 INFO  L130       PetriNetUnfolder]: For 8247/8827 co-relation queries the response was YES.
[2021-12-17 22:44:28,825 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. 
[2021-12-17 22:44:28,838 INFO  L132   encePairwiseOnDemand]: 346/349 looper letters, 67 selfloop transitions, 4 changer transitions 7/383 dead transitions.
[2021-12-17 22:44:28,838 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 383 transitions, 1688 flow
[2021-12-17 22:44:28,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:28,839 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:28,840 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1277 transitions.
[2021-12-17 22:44:28,840 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.914756446991404
[2021-12-17 22:44:28,840 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1277 transitions.
[2021-12-17 22:44:28,841 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1277 transitions.
[2021-12-17 22:44:28,841 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:28,841 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1277 transitions.
[2021-12-17 22:44:28,843 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)
[2021-12-17 22:44:28,846 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)
[2021-12-17 22:44:28,846 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)
[2021-12-17 22:44:28,847 INFO  L186             Difference]: Start difference. First operand has 393 places, 374 transitions, 1460 flow. Second operand 4 states and 1277 transitions.
[2021-12-17 22:44:28,847 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 383 transitions, 1688 flow
[2021-12-17 22:44:28,879 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 383 transitions, 1672 flow, removed 8 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:28,888 INFO  L242             Difference]: Finished difference. Result has 398 places, 370 transitions, 1405 flow
[2021-12-17 22:44:28,889 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}
[2021-12-17 22:44:28,889 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 79 predicate places.
[2021-12-17 22:44:28,889 INFO  L470      AbstractCegarLoop]: Abstraction has has 398 places, 370 transitions, 1405 flow
[2021-12-17 22:44:28,890 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)
[2021-12-17 22:44:28,890 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:28,891 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]
[2021-12-17 22:44:28,891 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-12-17 22:44:28,891 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:28,891 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:28,892 INFO  L85        PathProgramCache]: Analyzing trace with hash 2139981444, now seen corresponding path program 5 times
[2021-12-17 22:44:28,892 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:28,892 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277755258]
[2021-12-17 22:44:28,892 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:28,892 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:28,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:28,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:28,943 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:28,943 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277755258]
[2021-12-17 22:44:28,943 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277755258] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:28,943 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:28,943 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:28,943 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944791652]
[2021-12-17 22:44:28,944 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:28,944 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:28,944 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:28,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:28,944 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:28,945 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:28,946 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)
[2021-12-17 22:44:28,946 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:28,946 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:28,946 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:29,633 INFO  L129       PetriNetUnfolder]: 490/4282 cut-off events.
[2021-12-17 22:44:29,633 INFO  L130       PetriNetUnfolder]: For 8466/9151 co-relation queries the response was YES.
[2021-12-17 22:44:29,678 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. 
[2021-12-17 22:44:29,687 INFO  L132   encePairwiseOnDemand]: 346/349 looper letters, 65 selfloop transitions, 6 changer transitions 4/380 dead transitions.
[2021-12-17 22:44:29,687 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 380 transitions, 1625 flow
[2021-12-17 22:44:29,688 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-12-17 22:44:29,688 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-12-17 22:44:29,689 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1279 transitions.
[2021-12-17 22:44:29,689 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.916189111747851
[2021-12-17 22:44:29,689 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 1279 transitions.
[2021-12-17 22:44:29,689 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 1279 transitions.
[2021-12-17 22:44:29,690 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:29,690 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1279 transitions.
[2021-12-17 22:44:29,691 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)
[2021-12-17 22:44:29,692 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)
[2021-12-17 22:44:29,692 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)
[2021-12-17 22:44:29,692 INFO  L186             Difference]: Start difference. First operand has 398 places, 370 transitions, 1405 flow. Second operand 4 states and 1279 transitions.
[2021-12-17 22:44:29,692 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 380 transitions, 1625 flow
[2021-12-17 22:44:29,713 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 380 transitions, 1618 flow, removed 1 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:29,717 INFO  L242             Difference]: Finished difference. Result has 400 places, 367 transitions, 1374 flow
[2021-12-17 22:44:29,717 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}
[2021-12-17 22:44:29,717 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 81 predicate places.
[2021-12-17 22:44:29,718 INFO  L470      AbstractCegarLoop]: Abstraction has has 400 places, 367 transitions, 1374 flow
[2021-12-17 22:44:29,718 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)
[2021-12-17 22:44:29,718 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:29,718 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]
[2021-12-17 22:44:29,718 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-12-17 22:44:29,718 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:29,719 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:29,719 INFO  L85        PathProgramCache]: Analyzing trace with hash -1581629290, now seen corresponding path program 1 times
[2021-12-17 22:44:29,719 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:29,719 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562851419]
[2021-12-17 22:44:29,719 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:29,719 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:29,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:29,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:29,757 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:29,758 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562851419]
[2021-12-17 22:44:29,758 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562851419] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:29,758 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:29,758 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:29,758 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939738297]
[2021-12-17 22:44:29,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:29,759 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:29,759 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:29,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:29,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:29,760 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:29,761 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)
[2021-12-17 22:44:29,761 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:29,761 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:29,761 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:30,480 INFO  L129       PetriNetUnfolder]: 510/4189 cut-off events.
[2021-12-17 22:44:30,480 INFO  L130       PetriNetUnfolder]: For 9021/9134 co-relation queries the response was YES.
[2021-12-17 22:44:30,530 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. 
[2021-12-17 22:44:30,540 INFO  L132   encePairwiseOnDemand]: 341/349 looper letters, 87 selfloop transitions, 16 changer transitions 14/422 dead transitions.
[2021-12-17 22:44:30,540 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 422 transitions, 2227 flow
[2021-12-17 22:44:30,541 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:30,541 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:30,542 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1608 transitions.
[2021-12-17 22:44:30,542 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9214899713467049
[2021-12-17 22:44:30,542 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1608 transitions.
[2021-12-17 22:44:30,542 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1608 transitions.
[2021-12-17 22:44:30,543 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:30,543 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1608 transitions.
[2021-12-17 22:44:30,544 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)
[2021-12-17 22:44:30,545 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)
[2021-12-17 22:44:30,545 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)
[2021-12-17 22:44:30,545 INFO  L186             Difference]: Start difference. First operand has 400 places, 367 transitions, 1374 flow. Second operand 5 states and 1608 transitions.
[2021-12-17 22:44:30,545 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 422 transitions, 2227 flow
[2021-12-17 22:44:30,573 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 422 transitions, 2206 flow, removed 6 selfloop flow, removed 1 redundant places.
[2021-12-17 22:44:30,577 INFO  L242             Difference]: Finished difference. Result has 405 places, 377 transitions, 1556 flow
[2021-12-17 22:44:30,577 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}
[2021-12-17 22:44:30,578 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 86 predicate places.
[2021-12-17 22:44:30,578 INFO  L470      AbstractCegarLoop]: Abstraction has has 405 places, 377 transitions, 1556 flow
[2021-12-17 22:44:30,578 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)
[2021-12-17 22:44:30,578 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:30,578 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]
[2021-12-17 22:44:30,578 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-12-17 22:44:30,579 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:30,579 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:30,579 INFO  L85        PathProgramCache]: Analyzing trace with hash 4879054, now seen corresponding path program 2 times
[2021-12-17 22:44:30,579 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:30,579 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478485390]
[2021-12-17 22:44:30,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:30,580 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:30,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:30,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:30,620 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:30,620 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478485390]
[2021-12-17 22:44:30,620 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478485390] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:30,620 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:30,621 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-12-17 22:44:30,621 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44089489]
[2021-12-17 22:44:30,621 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:30,621 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-12-17 22:44:30,621 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:30,622 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-12-17 22:44:30,622 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-12-17 22:44:30,623 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 310 out of 349
[2021-12-17 22:44:30,623 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)
[2021-12-17 22:44:30,623 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:30,624 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 349
[2021-12-17 22:44:30,624 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:31,419 INFO  L129       PetriNetUnfolder]: 509/4129 cut-off events.
[2021-12-17 22:44:31,419 INFO  L130       PetriNetUnfolder]: For 10638/11294 co-relation queries the response was YES.
[2021-12-17 22:44:31,453 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. 
[2021-12-17 22:44:31,463 INFO  L132   encePairwiseOnDemand]: 340/349 looper letters, 81 selfloop transitions, 25 changer transitions 6/417 dead transitions.
[2021-12-17 22:44:31,463 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 417 transitions, 2255 flow
[2021-12-17 22:44:31,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-12-17 22:44:31,464 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-12-17 22:44:31,465 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1606 transitions.
[2021-12-17 22:44:31,465 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.9203438395415473
[2021-12-17 22:44:31,465 INFO  L72            ComplementDD]: Start complementDD. Operand 5 states and 1606 transitions.
[2021-12-17 22:44:31,466 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 5 states and 1606 transitions.
[2021-12-17 22:44:31,466 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:31,466 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1606 transitions.
[2021-12-17 22:44:31,467 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)
[2021-12-17 22:44:31,468 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)
[2021-12-17 22:44:31,469 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)
[2021-12-17 22:44:31,469 INFO  L186             Difference]: Start difference. First operand has 405 places, 377 transitions, 1556 flow. Second operand 5 states and 1606 transitions.
[2021-12-17 22:44:31,469 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 417 transitions, 2255 flow
[2021-12-17 22:44:31,494 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 417 transitions, 2229 flow, removed 13 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:31,498 INFO  L242             Difference]: Finished difference. Result has 413 places, 387 transitions, 1785 flow
[2021-12-17 22:44:31,498 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}
[2021-12-17 22:44:31,499 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 94 predicate places.
[2021-12-17 22:44:31,499 INFO  L470      AbstractCegarLoop]: Abstraction has has 413 places, 387 transitions, 1785 flow
[2021-12-17 22:44:31,499 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)
[2021-12-17 22:44:31,499 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:31,500 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]
[2021-12-17 22:44:31,500 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-12-17 22:44:31,500 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:31,500 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:31,500 INFO  L85        PathProgramCache]: Analyzing trace with hash 757831568, now seen corresponding path program 1 times
[2021-12-17 22:44:31,500 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:31,500 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871711025]
[2021-12-17 22:44:31,501 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:31,501 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:31,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:31,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:31,586 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:31,586 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871711025]
[2021-12-17 22:44:31,586 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871711025] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:31,586 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:31,586 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:31,587 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791153983]
[2021-12-17 22:44:31,587 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:31,587 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:31,587 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:31,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:31,588 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:31,589 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:31,591 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)
[2021-12-17 22:44:31,591 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:31,591 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:31,591 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:33,156 INFO  L129       PetriNetUnfolder]: 2277/7802 cut-off events.
[2021-12-17 22:44:33,157 INFO  L130       PetriNetUnfolder]: For 9907/10179 co-relation queries the response was YES.
[2021-12-17 22:44:33,258 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. 
[2021-12-17 22:44:33,285 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 80 selfloop transitions, 30 changer transitions 28/491 dead transitions.
[2021-12-17 22:44:33,286 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 491 transitions, 2440 flow
[2021-12-17 22:44:33,286 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-12-17 22:44:33,286 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2021-12-17 22:44:33,289 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7383 transitions.
[2021-12-17 22:44:33,292 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8814469914040115
[2021-12-17 22:44:33,292 INFO  L72            ComplementDD]: Start complementDD. Operand 24 states and 7383 transitions.
[2021-12-17 22:44:33,292 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 24 states and 7383 transitions.
[2021-12-17 22:44:33,294 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:33,294 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7383 transitions.
[2021-12-17 22:44:33,307 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)
[2021-12-17 22:44:33,312 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)
[2021-12-17 22:44:33,313 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)
[2021-12-17 22:44:33,313 INFO  L186             Difference]: Start difference. First operand has 413 places, 387 transitions, 1785 flow. Second operand 24 states and 7383 transitions.
[2021-12-17 22:44:33,313 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 491 transitions, 2440 flow
[2021-12-17 22:44:33,357 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 491 transitions, 2412 flow, removed 14 selfloop flow, removed 0 redundant places.
[2021-12-17 22:44:33,362 INFO  L242             Difference]: Finished difference. Result has 456 places, 416 transitions, 2047 flow
[2021-12-17 22:44:33,363 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}
[2021-12-17 22:44:33,363 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 137 predicate places.
[2021-12-17 22:44:33,363 INFO  L470      AbstractCegarLoop]: Abstraction has has 456 places, 416 transitions, 2047 flow
[2021-12-17 22:44:33,364 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)
[2021-12-17 22:44:33,364 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:33,364 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]
[2021-12-17 22:44:33,364 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-12-17 22:44:33,364 INFO  L402      AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:33,365 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:33,365 INFO  L85        PathProgramCache]: Analyzing trace with hash 2144117028, now seen corresponding path program 2 times
[2021-12-17 22:44:33,365 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:33,365 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321276182]
[2021-12-17 22:44:33,365 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:33,366 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:33,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:33,510 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:33,510 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:33,510 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321276182]
[2021-12-17 22:44:33,510 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321276182] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:33,511 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:33,511 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:33,511 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134836361]
[2021-12-17 22:44:33,511 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:33,511 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:33,511 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:33,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:33,512 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:33,513 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:33,515 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)
[2021-12-17 22:44:33,515 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:33,515 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:33,515 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:35,633 INFO  L129       PetriNetUnfolder]: 2368/8386 cut-off events.
[2021-12-17 22:44:35,633 INFO  L130       PetriNetUnfolder]: For 23901/24541 co-relation queries the response was YES.
[2021-12-17 22:44:35,780 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. 
[2021-12-17 22:44:35,817 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 113 selfloop transitions, 45 changer transitions 26/537 dead transitions.
[2021-12-17 22:44:35,817 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 537 transitions, 3124 flow
[2021-12-17 22:44:35,818 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2021-12-17 22:44:35,818 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2021-12-17 22:44:35,823 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 7380 transitions.
[2021-12-17 22:44:35,825 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8810888252148997
[2021-12-17 22:44:35,825 INFO  L72            ComplementDD]: Start complementDD. Operand 24 states and 7380 transitions.
[2021-12-17 22:44:35,825 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 24 states and 7380 transitions.
[2021-12-17 22:44:35,828 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:35,828 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 7380 transitions.
[2021-12-17 22:44:35,839 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)
[2021-12-17 22:44:35,847 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)
[2021-12-17 22:44:35,848 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)
[2021-12-17 22:44:35,848 INFO  L186             Difference]: Start difference. First operand has 456 places, 416 transitions, 2047 flow. Second operand 24 states and 7380 transitions.
[2021-12-17 22:44:35,849 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 537 transitions, 3124 flow
[2021-12-17 22:44:36,061 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 475 places, 537 transitions, 3012 flow, removed 56 selfloop flow, removed 2 redundant places.
[2021-12-17 22:44:36,066 INFO  L242             Difference]: Finished difference. Result has 495 places, 445 transitions, 2451 flow
[2021-12-17 22:44:36,067 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}
[2021-12-17 22:44:36,067 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 176 predicate places.
[2021-12-17 22:44:36,068 INFO  L470      AbstractCegarLoop]: Abstraction has has 495 places, 445 transitions, 2451 flow
[2021-12-17 22:44:36,068 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)
[2021-12-17 22:44:36,068 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:36,069 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]
[2021-12-17 22:44:36,069 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-12-17 22:44:36,069 INFO  L402      AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:36,070 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:36,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 1078131910, now seen corresponding path program 3 times
[2021-12-17 22:44:36,070 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:36,070 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614347537]
[2021-12-17 22:44:36,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:36,071 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:36,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:36,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:36,192 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:36,192 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614347537]
[2021-12-17 22:44:36,192 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614347537] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:36,192 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:36,192 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:36,192 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762949798]
[2021-12-17 22:44:36,192 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:36,193 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:36,193 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:36,193 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:36,193 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:36,195 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:36,197 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)
[2021-12-17 22:44:36,197 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:36,197 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:36,197 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:38,576 INFO  L129       PetriNetUnfolder]: 2540/8738 cut-off events.
[2021-12-17 22:44:38,577 INFO  L130       PetriNetUnfolder]: For 39420/39738 co-relation queries the response was YES.
[2021-12-17 22:44:38,680 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. 
[2021-12-17 22:44:38,709 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 101 selfloop transitions, 56 changer transitions 24/534 dead transitions.
[2021-12-17 22:44:38,710 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 534 transitions, 3699 flow
[2021-12-17 22:44:38,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2021-12-17 22:44:38,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2021-12-17 22:44:38,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6761 transitions.
[2021-12-17 22:44:38,714 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8805678562125554
[2021-12-17 22:44:38,714 INFO  L72            ComplementDD]: Start complementDD. Operand 22 states and 6761 transitions.
[2021-12-17 22:44:38,714 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 22 states and 6761 transitions.
[2021-12-17 22:44:38,715 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:38,715 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6761 transitions.
[2021-12-17 22:44:38,720 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)
[2021-12-17 22:44:38,724 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)
[2021-12-17 22:44:38,724 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)
[2021-12-17 22:44:38,725 INFO  L186             Difference]: Start difference. First operand has 495 places, 445 transitions, 2451 flow. Second operand 22 states and 6761 transitions.
[2021-12-17 22:44:38,725 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 534 transitions, 3699 flow
[2021-12-17 22:44:39,086 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 534 transitions, 3429 flow, removed 135 selfloop flow, removed 2 redundant places.
[2021-12-17 22:44:39,092 INFO  L242             Difference]: Finished difference. Result has 526 places, 475 transitions, 2896 flow
[2021-12-17 22:44:39,093 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}
[2021-12-17 22:44:39,093 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 207 predicate places.
[2021-12-17 22:44:39,093 INFO  L470      AbstractCegarLoop]: Abstraction has has 526 places, 475 transitions, 2896 flow
[2021-12-17 22:44:39,094 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)
[2021-12-17 22:44:39,094 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:39,094 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]
[2021-12-17 22:44:39,094 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-12-17 22:44:39,094 INFO  L402      AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:39,095 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:39,095 INFO  L85        PathProgramCache]: Analyzing trace with hash 1289019372, now seen corresponding path program 4 times
[2021-12-17 22:44:39,095 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:39,095 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873721697]
[2021-12-17 22:44:39,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:39,095 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:39,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:39,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:39,190 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:39,190 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873721697]
[2021-12-17 22:44:39,190 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873721697] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:39,191 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:39,191 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:39,191 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718241946]
[2021-12-17 22:44:39,191 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:39,191 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:39,191 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:39,192 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:39,192 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:39,193 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:39,195 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)
[2021-12-17 22:44:39,195 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:39,195 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:39,195 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:41,533 INFO  L129       PetriNetUnfolder]: 2744/9522 cut-off events.
[2021-12-17 22:44:41,533 INFO  L130       PetriNetUnfolder]: For 51212/52096 co-relation queries the response was YES.
[2021-12-17 22:44:41,698 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. 
[2021-12-17 22:44:41,756 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 120 selfloop transitions, 61 changer transitions 22/556 dead transitions.
[2021-12-17 22:44:41,771 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 556 transitions, 4212 flow
[2021-12-17 22:44:41,771 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-12-17 22:44:41,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20 states.
[2021-12-17 22:44:41,774 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 6152 transitions.
[2021-12-17 22:44:41,775 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8813753581661891
[2021-12-17 22:44:41,775 INFO  L72            ComplementDD]: Start complementDD. Operand 20 states and 6152 transitions.
[2021-12-17 22:44:41,775 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 20 states and 6152 transitions.
[2021-12-17 22:44:41,775 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:41,776 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 6152 transitions.
[2021-12-17 22:44:41,779 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)
[2021-12-17 22:44:41,790 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)
[2021-12-17 22:44:41,791 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)
[2021-12-17 22:44:41,791 INFO  L186             Difference]: Start difference. First operand has 526 places, 475 transitions, 2896 flow. Second operand 20 states and 6152 transitions.
[2021-12-17 22:44:41,799 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 556 transitions, 4212 flow
[2021-12-17 22:44:42,239 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 556 transitions, 3962 flow, removed 125 selfloop flow, removed 2 redundant places.
[2021-12-17 22:44:42,245 INFO  L242             Difference]: Finished difference. Result has 556 places, 507 transitions, 3422 flow
[2021-12-17 22:44:42,246 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}
[2021-12-17 22:44:42,247 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 237 predicate places.
[2021-12-17 22:44:42,247 INFO  L470      AbstractCegarLoop]: Abstraction has has 556 places, 507 transitions, 3422 flow
[2021-12-17 22:44:42,247 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)
[2021-12-17 22:44:42,247 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:42,248 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]
[2021-12-17 22:44:42,248 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-12-17 22:44:42,248 INFO  L402      AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:42,248 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:42,248 INFO  L85        PathProgramCache]: Analyzing trace with hash -1782446198, now seen corresponding path program 5 times
[2021-12-17 22:44:42,248 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:42,249 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980559899]
[2021-12-17 22:44:42,249 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:42,249 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:42,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:42,350 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:42,351 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:42,351 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980559899]
[2021-12-17 22:44:42,351 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980559899] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:42,351 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:42,351 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:42,351 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711303731]
[2021-12-17 22:44:42,351 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:42,352 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:42,352 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:42,352 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:42,352 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:42,353 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:42,355 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)
[2021-12-17 22:44:42,355 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:42,355 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:42,355 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:44,697 INFO  L129       PetriNetUnfolder]: 2810/9678 cut-off events.
[2021-12-17 22:44:44,698 INFO  L130       PetriNetUnfolder]: For 68924/69292 co-relation queries the response was YES.
[2021-12-17 22:44:44,899 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. 
[2021-12-17 22:44:44,939 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 139 selfloop transitions, 78 changer transitions 19/589 dead transitions.
[2021-12-17 22:44:44,939 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 589 transitions, 4901 flow
[2021-12-17 22:44:44,939 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2021-12-17 22:44:44,939 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 20 states.
[2021-12-17 22:44:44,942 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 6148 transitions.
[2021-12-17 22:44:44,943 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8808022922636103
[2021-12-17 22:44:44,943 INFO  L72            ComplementDD]: Start complementDD. Operand 20 states and 6148 transitions.
[2021-12-17 22:44:44,943 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 20 states and 6148 transitions.
[2021-12-17 22:44:44,943 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:44,944 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 6148 transitions.
[2021-12-17 22:44:44,947 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)
[2021-12-17 22:44:44,951 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)
[2021-12-17 22:44:44,952 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)
[2021-12-17 22:44:44,952 INFO  L186             Difference]: Start difference. First operand has 556 places, 507 transitions, 3422 flow. Second operand 20 states and 6148 transitions.
[2021-12-17 22:44:44,952 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 573 places, 589 transitions, 4901 flow
[2021-12-17 22:44:45,541 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 571 places, 589 transitions, 4517 flow, removed 192 selfloop flow, removed 2 redundant places.
[2021-12-17 22:44:45,547 INFO  L242             Difference]: Finished difference. Result has 586 places, 538 transitions, 3957 flow
[2021-12-17 22:44:45,548 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}
[2021-12-17 22:44:45,548 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 267 predicate places.
[2021-12-17 22:44:45,548 INFO  L470      AbstractCegarLoop]: Abstraction has has 586 places, 538 transitions, 3957 flow
[2021-12-17 22:44:45,549 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)
[2021-12-17 22:44:45,549 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:45,549 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]
[2021-12-17 22:44:45,549 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2021-12-17 22:44:45,549 INFO  L402      AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:45,550 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:45,550 INFO  L85        PathProgramCache]: Analyzing trace with hash 907104584, now seen corresponding path program 6 times
[2021-12-17 22:44:45,550 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:45,550 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491627225]
[2021-12-17 22:44:45,550 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:45,550 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:45,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:45,643 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:45,644 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:45,644 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491627225]
[2021-12-17 22:44:45,644 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491627225] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:45,644 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:45,644 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:45,644 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269850843]
[2021-12-17 22:44:45,644 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:45,644 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:45,644 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:45,645 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:45,645 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:45,646 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:45,647 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)
[2021-12-17 22:44:45,647 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:45,647 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:45,647 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:48,153 INFO  L129       PetriNetUnfolder]: 2850/9990 cut-off events.
[2021-12-17 22:44:48,153 INFO  L130       PetriNetUnfolder]: For 77438/77826 co-relation queries the response was YES.
[2021-12-17 22:44:48,347 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. 
[2021-12-17 22:44:48,385 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 140 selfloop transitions, 96 changer transitions 17/606 dead transitions.
[2021-12-17 22:44:48,386 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 606 transitions, 5344 flow
[2021-12-17 22:44:48,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-12-17 22:44:48,386 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-12-17 22:44:48,388 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5537 transitions.
[2021-12-17 22:44:48,390 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8814071951607768
[2021-12-17 22:44:48,390 INFO  L72            ComplementDD]: Start complementDD. Operand 18 states and 5537 transitions.
[2021-12-17 22:44:48,390 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 18 states and 5537 transitions.
[2021-12-17 22:44:48,391 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:48,391 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5537 transitions.
[2021-12-17 22:44:48,394 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)
[2021-12-17 22:44:48,398 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)
[2021-12-17 22:44:48,399 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)
[2021-12-17 22:44:48,399 INFO  L186             Difference]: Start difference. First operand has 586 places, 538 transitions, 3957 flow. Second operand 18 states and 5537 transitions.
[2021-12-17 22:44:48,399 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 606 transitions, 5344 flow
[2021-12-17 22:44:49,136 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 599 places, 606 transitions, 4928 flow, removed 208 selfloop flow, removed 2 redundant places.
[2021-12-17 22:44:49,142 INFO  L242             Difference]: Finished difference. Result has 607 places, 559 transitions, 4350 flow
[2021-12-17 22:44:49,143 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}
[2021-12-17 22:44:49,143 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 288 predicate places.
[2021-12-17 22:44:49,143 INFO  L470      AbstractCegarLoop]: Abstraction has has 607 places, 559 transitions, 4350 flow
[2021-12-17 22:44:49,144 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)
[2021-12-17 22:44:49,144 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:49,144 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]
[2021-12-17 22:44:49,144 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2021-12-17 22:44:49,145 INFO  L402      AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:49,145 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:49,145 INFO  L85        PathProgramCache]: Analyzing trace with hash 1145114812, now seen corresponding path program 7 times
[2021-12-17 22:44:49,145 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:49,145 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456234659]
[2021-12-17 22:44:49,145 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:49,145 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:49,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:49,242 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:49,242 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:49,242 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456234659]
[2021-12-17 22:44:49,243 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456234659] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:49,243 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:49,243 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:49,243 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152298480]
[2021-12-17 22:44:49,243 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:49,243 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:49,243 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:49,244 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:49,244 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:49,245 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:49,247 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)
[2021-12-17 22:44:49,247 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:49,247 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:49,247 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:51,949 INFO  L129       PetriNetUnfolder]: 2946/10266 cut-off events.
[2021-12-17 22:44:51,949 INFO  L130       PetriNetUnfolder]: For 61426/61810 co-relation queries the response was YES.
[2021-12-17 22:44:52,141 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. 
[2021-12-17 22:44:52,181 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 151 selfloop transitions, 100 changer transitions 16/620 dead transitions.
[2021-12-17 22:44:52,181 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 620 transitions, 5603 flow
[2021-12-17 22:44:52,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-12-17 22:44:52,182 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-12-17 22:44:52,183 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5234 transitions.
[2021-12-17 22:44:52,184 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8821843923815945
[2021-12-17 22:44:52,184 INFO  L72            ComplementDD]: Start complementDD. Operand 17 states and 5234 transitions.
[2021-12-17 22:44:52,184 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 17 states and 5234 transitions.
[2021-12-17 22:44:52,185 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:52,185 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5234 transitions.
[2021-12-17 22:44:52,188 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)
[2021-12-17 22:44:52,192 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)
[2021-12-17 22:44:52,193 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)
[2021-12-17 22:44:52,193 INFO  L186             Difference]: Start difference. First operand has 607 places, 559 transitions, 4350 flow. Second operand 17 states and 5234 transitions.
[2021-12-17 22:44:52,193 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 620 transitions, 5603 flow
[2021-12-17 22:44:52,810 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 620 transitions, 5421 flow, removed 91 selfloop flow, removed 2 redundant places.
[2021-12-17 22:44:52,817 INFO  L242             Difference]: Finished difference. Result has 628 places, 580 transitions, 4857 flow
[2021-12-17 22:44:52,818 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}
[2021-12-17 22:44:52,818 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 309 predicate places.
[2021-12-17 22:44:52,818 INFO  L470      AbstractCegarLoop]: Abstraction has has 628 places, 580 transitions, 4857 flow
[2021-12-17 22:44:52,819 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)
[2021-12-17 22:44:52,819 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:52,819 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]
[2021-12-17 22:44:52,819 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2021-12-17 22:44:52,819 INFO  L402      AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:52,820 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:52,820 INFO  L85        PathProgramCache]: Analyzing trace with hash -1457870368, now seen corresponding path program 8 times
[2021-12-17 22:44:52,820 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:52,820 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564662632]
[2021-12-17 22:44:52,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:52,820 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:52,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:52,905 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:52,905 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:52,905 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564662632]
[2021-12-17 22:44:52,905 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564662632] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:52,905 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:52,905 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:52,905 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442146833]
[2021-12-17 22:44:52,906 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:52,906 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:52,906 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:52,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:52,906 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:52,908 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:52,909 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)
[2021-12-17 22:44:52,909 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:52,909 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:52,909 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:44:55,766 INFO  L129       PetriNetUnfolder]: 2948/10438 cut-off events.
[2021-12-17 22:44:55,767 INFO  L130       PetriNetUnfolder]: For 67266/67651 co-relation queries the response was YES.
[2021-12-17 22:44:55,953 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. 
[2021-12-17 22:44:55,990 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 151 selfloop transitions, 107 changer transitions 19/630 dead transitions.
[2021-12-17 22:44:55,990 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 630 transitions, 5875 flow
[2021-12-17 22:44:55,990 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-12-17 22:44:55,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 16 states.
[2021-12-17 22:44:55,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4926 transitions.
[2021-12-17 22:44:55,993 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8821633237822349
[2021-12-17 22:44:55,993 INFO  L72            ComplementDD]: Start complementDD. Operand 16 states and 4926 transitions.
[2021-12-17 22:44:55,993 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 16 states and 4926 transitions.
[2021-12-17 22:44:55,994 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:44:55,994 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 4926 transitions.
[2021-12-17 22:44:55,997 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)
[2021-12-17 22:44:55,999 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)
[2021-12-17 22:44:55,999 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)
[2021-12-17 22:44:56,000 INFO  L186             Difference]: Start difference. First operand has 628 places, 580 transitions, 4857 flow. Second operand 16 states and 4926 transitions.
[2021-12-17 22:44:56,000 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 630 transitions, 5875 flow
[2021-12-17 22:44:56,649 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 630 transitions, 5727 flow, removed 74 selfloop flow, removed 2 redundant places.
[2021-12-17 22:44:56,657 INFO  L242             Difference]: Finished difference. Result has 646 places, 588 transitions, 5123 flow
[2021-12-17 22:44:56,658 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}
[2021-12-17 22:44:56,659 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 327 predicate places.
[2021-12-17 22:44:56,659 INFO  L470      AbstractCegarLoop]: Abstraction has has 646 places, 588 transitions, 5123 flow
[2021-12-17 22:44:56,660 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)
[2021-12-17 22:44:56,660 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:44:56,660 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]
[2021-12-17 22:44:56,660 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2021-12-17 22:44:56,660 INFO  L402      AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:44:56,660 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:44:56,661 INFO  L85        PathProgramCache]: Analyzing trace with hash -1919101692, now seen corresponding path program 9 times
[2021-12-17 22:44:56,661 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:44:56,661 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263800982]
[2021-12-17 22:44:56,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:44:56,661 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:44:56,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:44:56,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:44:56,753 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:44:56,753 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263800982]
[2021-12-17 22:44:56,753 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263800982] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:44:56,753 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:44:56,753 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:44:56,754 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487030461]
[2021-12-17 22:44:56,754 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:44:56,754 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:44:56,754 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:44:56,754 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:44:56,755 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:44:56,756 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:44:56,757 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)
[2021-12-17 22:44:56,757 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:44:56,757 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:44:56,757 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:00,042 INFO  L129       PetriNetUnfolder]: 3008/10670 cut-off events.
[2021-12-17 22:45:00,042 INFO  L130       PetriNetUnfolder]: For 73009/73394 co-relation queries the response was YES.
[2021-12-17 22:45:00,269 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. 
[2021-12-17 22:45:00,313 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 185 selfloop transitions, 98 changer transitions 23/659 dead transitions.
[2021-12-17 22:45:00,313 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 659 transitions, 6641 flow
[2021-12-17 22:45:00,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-12-17 22:45:00,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2021-12-17 22:45:00,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6458 transitions.
[2021-12-17 22:45:00,318 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8811570473461591
[2021-12-17 22:45:00,318 INFO  L72            ComplementDD]: Start complementDD. Operand 21 states and 6458 transitions.
[2021-12-17 22:45:00,318 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 21 states and 6458 transitions.
[2021-12-17 22:45:00,319 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:00,319 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6458 transitions.
[2021-12-17 22:45:00,325 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)
[2021-12-17 22:45:00,331 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)
[2021-12-17 22:45:00,332 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)
[2021-12-17 22:45:00,332 INFO  L186             Difference]: Start difference. First operand has 646 places, 588 transitions, 5123 flow. Second operand 21 states and 6458 transitions.
[2021-12-17 22:45:00,332 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 659 transitions, 6641 flow
[2021-12-17 22:45:01,049 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 659 transitions, 6522 flow, removed 37 selfloop flow, removed 3 redundant places.
[2021-12-17 22:45:01,056 INFO  L242             Difference]: Finished difference. Result has 675 places, 612 transitions, 5858 flow
[2021-12-17 22:45:01,057 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}
[2021-12-17 22:45:01,057 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 356 predicate places.
[2021-12-17 22:45:01,057 INFO  L470      AbstractCegarLoop]: Abstraction has has 675 places, 612 transitions, 5858 flow
[2021-12-17 22:45:01,058 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)
[2021-12-17 22:45:01,058 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:01,058 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]
[2021-12-17 22:45:01,058 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2021-12-17 22:45:01,058 INFO  L402      AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:01,058 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:01,059 INFO  L85        PathProgramCache]: Analyzing trace with hash -2078172640, now seen corresponding path program 10 times
[2021-12-17 22:45:01,059 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:01,059 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355614226]
[2021-12-17 22:45:01,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:01,059 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:01,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:01,145 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:01,145 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:01,145 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355614226]
[2021-12-17 22:45:01,145 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355614226] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:01,145 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:01,146 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:45:01,146 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431488571]
[2021-12-17 22:45:01,146 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:01,146 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:45:01,146 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:01,146 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:45:01,147 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:45:01,148 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:45:01,149 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)
[2021-12-17 22:45:01,149 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:01,149 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:45:01,149 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:04,432 INFO  L129       PetriNetUnfolder]: 3038/10836 cut-off events.
[2021-12-17 22:45:04,433 INFO  L130       PetriNetUnfolder]: For 83989/84386 co-relation queries the response was YES.
[2021-12-17 22:45:04,619 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 46368 conditions, 10836 events. 3038/10836 cut-off events. For 83989/84386 co-relation queries the response was YES. Maximal size of possible extension queue 921. Compared 124256 event pairs, 1718 based on Foata normal form. 19/9775 useless extension candidates. Maximal degree in co-relation 46197. Up to 3953 conditions per place. 
[2021-12-17 22:45:04,656 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 167 selfloop transitions, 120 changer transitions 20/660 dead transitions.
[2021-12-17 22:45:04,656 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 660 transitions, 7031 flow
[2021-12-17 22:45:04,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-12-17 22:45:04,657 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-12-17 22:45:04,658 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5537 transitions.
[2021-12-17 22:45:04,659 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8814071951607768
[2021-12-17 22:45:04,659 INFO  L72            ComplementDD]: Start complementDD. Operand 18 states and 5537 transitions.
[2021-12-17 22:45:04,659 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 18 states and 5537 transitions.
[2021-12-17 22:45:04,660 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:04,660 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5537 transitions.
[2021-12-17 22:45:04,664 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)
[2021-12-17 22:45:04,666 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)
[2021-12-17 22:45:04,667 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)
[2021-12-17 22:45:04,667 INFO  L186             Difference]: Start difference. First operand has 675 places, 612 transitions, 5858 flow. Second operand 18 states and 5537 transitions.
[2021-12-17 22:45:04,667 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 660 transitions, 7031 flow
[2021-12-17 22:45:05,446 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 688 places, 660 transitions, 6773 flow, removed 129 selfloop flow, removed 2 redundant places.
[2021-12-17 22:45:05,454 INFO  L242             Difference]: Finished difference. Result has 696 places, 626 transitions, 6232 flow
[2021-12-17 22:45:05,455 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=5646, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=6232, PETRI_PLACES=696, PETRI_TRANSITIONS=626}
[2021-12-17 22:45:05,457 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 377 predicate places.
[2021-12-17 22:45:05,457 INFO  L470      AbstractCegarLoop]: Abstraction has has 696 places, 626 transitions, 6232 flow
[2021-12-17 22:45:05,457 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)
[2021-12-17 22:45:05,457 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:05,457 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]
[2021-12-17 22:45:05,458 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2021-12-17 22:45:05,458 INFO  L402      AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:05,458 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:05,458 INFO  L85        PathProgramCache]: Analyzing trace with hash 2085660946, now seen corresponding path program 11 times
[2021-12-17 22:45:05,458 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:05,458 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037027502]
[2021-12-17 22:45:05,458 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:05,459 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:05,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:05,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:05,559 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:05,560 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037027502]
[2021-12-17 22:45:05,560 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037027502] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:05,560 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:05,560 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:45:05,560 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841826685]
[2021-12-17 22:45:05,560 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:05,561 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:45:05,561 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:05,561 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:45:05,561 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:45:05,562 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:45:05,563 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 626 transitions, 6232 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)
[2021-12-17 22:45:05,563 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:05,563 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:45:05,564 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:09,332 INFO  L129       PetriNetUnfolder]: 3078/11112 cut-off events.
[2021-12-17 22:45:09,333 INFO  L130       PetriNetUnfolder]: For 85922/86331 co-relation queries the response was YES.
[2021-12-17 22:45:09,765 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 47790 conditions, 11112 events. 3078/11112 cut-off events. For 85922/86331 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 128684 event pairs, 1716 based on Foata normal form. 19/10040 useless extension candidates. Maximal degree in co-relation 47612. Up to 4005 conditions per place. 
[2021-12-17 22:45:09,802 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 197 selfloop transitions, 113 changer transitions 15/678 dead transitions.
[2021-12-17 22:45:09,802 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 678 transitions, 7567 flow
[2021-12-17 22:45:09,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2021-12-17 22:45:09,802 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-12-17 22:45:09,804 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5234 transitions.
[2021-12-17 22:45:09,804 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8821843923815945
[2021-12-17 22:45:09,805 INFO  L72            ComplementDD]: Start complementDD. Operand 17 states and 5234 transitions.
[2021-12-17 22:45:09,805 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 17 states and 5234 transitions.
[2021-12-17 22:45:09,805 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:09,805 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5234 transitions.
[2021-12-17 22:45:09,808 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)
[2021-12-17 22:45:09,811 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)
[2021-12-17 22:45:09,811 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)
[2021-12-17 22:45:09,811 INFO  L186             Difference]: Start difference. First operand has 696 places, 626 transitions, 6232 flow. Second operand 17 states and 5234 transitions.
[2021-12-17 22:45:09,811 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 710 places, 678 transitions, 7567 flow
[2021-12-17 22:45:10,626 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 706 places, 678 transitions, 7382 flow, removed 43 selfloop flow, removed 4 redundant places.
[2021-12-17 22:45:10,662 INFO  L242             Difference]: Finished difference. Result has 714 places, 644 transitions, 6785 flow
[2021-12-17 22:45:10,663 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=6059, PETRI_DIFFERENCE_MINUEND_PLACES=690, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6785, PETRI_PLACES=714, PETRI_TRANSITIONS=644}
[2021-12-17 22:45:10,663 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 395 predicate places.
[2021-12-17 22:45:10,663 INFO  L470      AbstractCegarLoop]: Abstraction has has 714 places, 644 transitions, 6785 flow
[2021-12-17 22:45:10,664 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)
[2021-12-17 22:45:10,664 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:10,664 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]
[2021-12-17 22:45:10,664 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2021-12-17 22:45:10,664 INFO  L402      AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:10,665 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:10,665 INFO  L85        PathProgramCache]: Analyzing trace with hash -732126942, now seen corresponding path program 12 times
[2021-12-17 22:45:10,665 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:10,665 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350266986]
[2021-12-17 22:45:10,665 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:10,665 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:10,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:10,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:10,806 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:10,806 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350266986]
[2021-12-17 22:45:10,806 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350266986] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:10,806 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:10,806 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:45:10,806 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706171817]
[2021-12-17 22:45:10,806 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:10,807 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:45:10,807 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:10,807 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:45:10,807 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:45:10,809 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:45:10,810 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 644 transitions, 6785 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)
[2021-12-17 22:45:10,810 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:10,810 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:45:10,810 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:14,609 INFO  L129       PetriNetUnfolder]: 3074/11304 cut-off events.
[2021-12-17 22:45:14,609 INFO  L130       PetriNetUnfolder]: For 86741/87158 co-relation queries the response was YES.
[2021-12-17 22:45:14,819 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 48497 conditions, 11304 events. 3074/11304 cut-off events. For 86741/87158 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 131624 event pairs, 1702 based on Foata normal form. 19/10241 useless extension candidates. Maximal degree in co-relation 48313. Up to 3987 conditions per place. 
[2021-12-17 22:45:14,856 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 195 selfloop transitions, 116 changer transitions 24/688 dead transitions.
[2021-12-17 22:45:14,856 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 688 transitions, 7906 flow
[2021-12-17 22:45:14,856 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-12-17 22:45:14,857 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-12-17 22:45:14,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5541 transitions.
[2021-12-17 22:45:14,862 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8820439350525311
[2021-12-17 22:45:14,862 INFO  L72            ComplementDD]: Start complementDD. Operand 18 states and 5541 transitions.
[2021-12-17 22:45:14,862 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 18 states and 5541 transitions.
[2021-12-17 22:45:14,863 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:14,863 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5541 transitions.
[2021-12-17 22:45:14,872 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 19 states, 18 states have (on average 307.8333333333333) internal successors, (5541), 18 states have internal predecessors, (5541), 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)
[2021-12-17 22:45:14,875 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)
[2021-12-17 22:45:14,875 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)
[2021-12-17 22:45:14,875 INFO  L186             Difference]: Start difference. First operand has 714 places, 644 transitions, 6785 flow. Second operand 18 states and 5541 transitions.
[2021-12-17 22:45:14,875 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 688 transitions, 7906 flow
[2021-12-17 22:45:15,846 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 688 transitions, 7644 flow, removed 106 selfloop flow, removed 3 redundant places.
[2021-12-17 22:45:15,882 INFO  L242             Difference]: Finished difference. Result has 733 places, 653 transitions, 7049 flow
[2021-12-17 22:45:15,883 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=6563, PETRI_DIFFERENCE_MINUEND_PLACES=709, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=644, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=7049, PETRI_PLACES=733, PETRI_TRANSITIONS=653}
[2021-12-17 22:45:15,883 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 414 predicate places.
[2021-12-17 22:45:15,883 INFO  L470      AbstractCegarLoop]: Abstraction has has 733 places, 653 transitions, 7049 flow
[2021-12-17 22:45:15,884 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)
[2021-12-17 22:45:15,884 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:15,884 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]
[2021-12-17 22:45:15,884 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2021-12-17 22:45:15,884 INFO  L402      AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:15,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:15,885 INFO  L85        PathProgramCache]: Analyzing trace with hash -1594563102, now seen corresponding path program 13 times
[2021-12-17 22:45:15,885 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:15,885 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928406841]
[2021-12-17 22:45:15,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:15,886 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:15,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:16,010 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:16,010 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:16,010 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928406841]
[2021-12-17 22:45:16,010 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928406841] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:16,011 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:16,011 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:45:16,011 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166990879]
[2021-12-17 22:45:16,011 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:16,012 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:45:16,012 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:16,012 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:45:16,012 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:45:16,014 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:45:16,015 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 733 places, 653 transitions, 7049 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)
[2021-12-17 22:45:16,015 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:16,015 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:45:16,015 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:19,983 INFO  L129       PetriNetUnfolder]: 3236/11920 cut-off events.
[2021-12-17 22:45:19,983 INFO  L130       PetriNetUnfolder]: For 108705/110718 co-relation queries the response was YES.
[2021-12-17 22:45:20,209 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 52138 conditions, 11920 events. 3236/11920 cut-off events. For 108705/110718 co-relation queries the response was YES. Maximal size of possible extension queue 1001. Compared 139539 event pairs, 1563 based on Foata normal form. 15/10857 useless extension candidates. Maximal degree in co-relation 51949. Up to 3628 conditions per place. 
[2021-12-17 22:45:20,250 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 219 selfloop transitions, 143 changer transitions 23/738 dead transitions.
[2021-12-17 22:45:20,250 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 752 places, 738 transitions, 8856 flow
[2021-12-17 22:45:20,250 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2021-12-17 22:45:20,251 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2021-12-17 22:45:20,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6759 transitions.
[2021-12-17 22:45:20,253 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8803073717113832
[2021-12-17 22:45:20,253 INFO  L72            ComplementDD]: Start complementDD. Operand 22 states and 6759 transitions.
[2021-12-17 22:45:20,253 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 22 states and 6759 transitions.
[2021-12-17 22:45:20,254 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:20,254 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6759 transitions.
[2021-12-17 22:45:20,258 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 23 states, 22 states have (on average 307.22727272727275) internal successors, (6759), 22 states have internal predecessors, (6759), 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)
[2021-12-17 22:45:20,262 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)
[2021-12-17 22:45:20,263 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)
[2021-12-17 22:45:20,263 INFO  L186             Difference]: Start difference. First operand has 733 places, 653 transitions, 7049 flow. Second operand 22 states and 6759 transitions.
[2021-12-17 22:45:20,263 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 752 places, 738 transitions, 8856 flow
[2021-12-17 22:45:21,353 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 749 places, 738 transitions, 8668 flow, removed 63 selfloop flow, removed 3 redundant places.
[2021-12-17 22:45:21,361 INFO  L242             Difference]: Finished difference. Result has 763 places, 685 transitions, 7931 flow
[2021-12-17 22:45:21,362 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=6876, PETRI_DIFFERENCE_MINUEND_PLACES=728, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=7931, PETRI_PLACES=763, PETRI_TRANSITIONS=685}
[2021-12-17 22:45:21,363 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 444 predicate places.
[2021-12-17 22:45:21,363 INFO  L470      AbstractCegarLoop]: Abstraction has has 763 places, 685 transitions, 7931 flow
[2021-12-17 22:45:21,363 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)
[2021-12-17 22:45:21,363 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:21,364 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]
[2021-12-17 22:45:21,364 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2021-12-17 22:45:21,364 INFO  L402      AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:21,364 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:21,364 INFO  L85        PathProgramCache]: Analyzing trace with hash 405814724, now seen corresponding path program 14 times
[2021-12-17 22:45:21,365 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:21,365 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707911848]
[2021-12-17 22:45:21,365 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:21,365 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:21,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:21,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:21,458 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:21,459 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707911848]
[2021-12-17 22:45:21,459 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707911848] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:21,459 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:21,459 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:45:21,459 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031049409]
[2021-12-17 22:45:21,459 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:21,460 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:45:21,460 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:21,460 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:45:21,460 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:45:21,462 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:45:21,463 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 763 places, 685 transitions, 7931 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)
[2021-12-17 22:45:21,464 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:21,464 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:45:21,464 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:25,842 INFO  L129       PetriNetUnfolder]: 3294/12092 cut-off events.
[2021-12-17 22:45:25,842 INFO  L130       PetriNetUnfolder]: For 124248/126482 co-relation queries the response was YES.
[2021-12-17 22:45:26,218 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 55642 conditions, 12092 events. 3294/12092 cut-off events. For 124248/126482 co-relation queries the response was YES. Maximal size of possible extension queue 1025. Compared 141771 event pairs, 1591 based on Foata normal form. 15/10987 useless extension candidates. Maximal degree in co-relation 55440. Up to 3666 conditions per place. 
[2021-12-17 22:45:26,262 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 273 selfloop transitions, 105 changer transitions 21/752 dead transitions.
[2021-12-17 22:45:26,263 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 752 transitions, 9648 flow
[2021-12-17 22:45:26,263 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2021-12-17 22:45:26,263 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2021-12-17 22:45:26,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6455 transitions.
[2021-12-17 22:45:26,272 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8807477145586028
[2021-12-17 22:45:26,272 INFO  L72            ComplementDD]: Start complementDD. Operand 21 states and 6455 transitions.
[2021-12-17 22:45:26,272 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 21 states and 6455 transitions.
[2021-12-17 22:45:26,273 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:26,273 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6455 transitions.
[2021-12-17 22:45:26,277 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 22 states, 21 states have (on average 307.3809523809524) internal successors, (6455), 21 states have internal predecessors, (6455), 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)
[2021-12-17 22:45:26,280 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)
[2021-12-17 22:45:26,280 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)
[2021-12-17 22:45:26,281 INFO  L186             Difference]: Start difference. First operand has 763 places, 685 transitions, 7931 flow. Second operand 21 states and 6455 transitions.
[2021-12-17 22:45:26,281 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 752 transitions, 9648 flow
[2021-12-17 22:45:27,367 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 779 places, 752 transitions, 9454 flow, removed 97 selfloop flow, removed 2 redundant places.
[2021-12-17 22:45:27,377 INFO  L242             Difference]: Finished difference. Result has 793 places, 709 transitions, 8615 flow
[2021-12-17 22:45:27,378 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=7751, PETRI_DIFFERENCE_MINUEND_PLACES=759, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8615, PETRI_PLACES=793, PETRI_TRANSITIONS=709}
[2021-12-17 22:45:27,378 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 474 predicate places.
[2021-12-17 22:45:27,378 INFO  L470      AbstractCegarLoop]: Abstraction has has 793 places, 709 transitions, 8615 flow
[2021-12-17 22:45:27,379 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)
[2021-12-17 22:45:27,379 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:27,379 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]
[2021-12-17 22:45:27,379 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2021-12-17 22:45:27,379 INFO  L402      AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:27,380 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:27,380 INFO  L85        PathProgramCache]: Analyzing trace with hash 992327226, now seen corresponding path program 15 times
[2021-12-17 22:45:27,380 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:27,380 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313742995]
[2021-12-17 22:45:27,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:27,380 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:27,409 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:27,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:27,472 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:27,472 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313742995]
[2021-12-17 22:45:27,472 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313742995] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:27,472 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:27,472 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:45:27,472 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453286850]
[2021-12-17 22:45:27,472 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:27,474 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:45:27,474 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:27,474 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:45:27,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:45:27,476 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:45:27,477 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 793 places, 709 transitions, 8615 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)
[2021-12-17 22:45:27,477 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:27,477 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:45:27,477 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-12-17 22:45:32,075 INFO  L129       PetriNetUnfolder]: 3334/12328 cut-off events.
[2021-12-17 22:45:32,076 INFO  L130       PetriNetUnfolder]: For 137683/140006 co-relation queries the response was YES.
[2021-12-17 22:45:32,487 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 58057 conditions, 12328 events. 3334/12328 cut-off events. For 137683/140006 co-relation queries the response was YES. Maximal size of possible extension queue 1043. Compared 145748 event pairs, 1571 based on Foata normal form. 15/11240 useless extension candidates. Maximal degree in co-relation 57842. Up to 3776 conditions per place. 
[2021-12-17 22:45:32,536 INFO  L132   encePairwiseOnDemand]: 336/349 looper letters, 240 selfloop transitions, 161 changer transitions 18/772 dead transitions.
[2021-12-17 22:45:32,536 INFO  L138   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 808 places, 772 transitions, 10235 flow
[2021-12-17 22:45:32,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-12-17 22:45:32,537 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2021-12-17 22:45:32,539 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 5537 transitions.
[2021-12-17 22:45:32,540 INFO  L544   CegarLoopForPetriNet]: DFA transition density 0.8814071951607768
[2021-12-17 22:45:32,540 INFO  L72            ComplementDD]: Start complementDD. Operand 18 states and 5537 transitions.
[2021-12-17 22:45:32,540 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 18 states and 5537 transitions.
[2021-12-17 22:45:32,541 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-12-17 22:45:32,541 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 5537 transitions.
[2021-12-17 22:45:32,544 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)
[2021-12-17 22:45:32,547 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)
[2021-12-17 22:45:32,548 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)
[2021-12-17 22:45:32,548 INFO  L186             Difference]: Start difference. First operand has 793 places, 709 transitions, 8615 flow. Second operand 18 states and 5537 transitions.
[2021-12-17 22:45:32,548 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 808 places, 772 transitions, 10235 flow
[2021-12-17 22:45:33,786 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 806 places, 772 transitions, 10037 flow, removed 99 selfloop flow, removed 2 redundant places.
[2021-12-17 22:45:33,795 INFO  L242             Difference]: Finished difference. Result has 814 places, 730 transitions, 9301 flow
[2021-12-17 22:45:33,796 INFO  L317   CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=8419, PETRI_DIFFERENCE_MINUEND_PLACES=789, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=9301, PETRI_PLACES=814, PETRI_TRANSITIONS=730}
[2021-12-17 22:45:33,797 INFO  L334   CegarLoopForPetriNet]: 319 programPoint places, 495 predicate places.
[2021-12-17 22:45:33,797 INFO  L470      AbstractCegarLoop]: Abstraction has has 814 places, 730 transitions, 9301 flow
[2021-12-17 22:45:33,797 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)
[2021-12-17 22:45:33,798 INFO  L246   CegarLoopForPetriNet]: Found error trace
[2021-12-17 22:45:33,798 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]
[2021-12-17 22:45:33,798 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2021-12-17 22:45:33,798 INFO  L402      AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-12-17 22:45:33,798 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-12-17 22:45:33,798 INFO  L85        PathProgramCache]: Analyzing trace with hash -1700939714, now seen corresponding path program 16 times
[2021-12-17 22:45:33,799 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-12-17 22:45:33,799 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177410022]
[2021-12-17 22:45:33,799 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-12-17 22:45:33,799 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-12-17 22:45:33,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-12-17 22:45:33,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-12-17 22:45:33,888 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-12-17 22:45:33,888 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177410022]
[2021-12-17 22:45:33,888 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177410022] provided 1 perfect and 0 imperfect interpolant sequences
[2021-12-17 22:45:33,888 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-12-17 22:45:33,888 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2021-12-17 22:45:33,888 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039019553]
[2021-12-17 22:45:33,888 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-12-17 22:45:33,889 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-12-17 22:45:33,889 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-12-17 22:45:33,889 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-12-17 22:45:33,889 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2021-12-17 22:45:33,891 INFO  L499   CegarLoopForPetriNet]: Number of universal loopers: 302 out of 349
[2021-12-17 22:45:33,892 INFO  L92    encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 814 places, 730 transitions, 9301 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)
[2021-12-17 22:45:33,892 INFO  L101   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-12-17 22:45:33,892 INFO  L102   encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 349
[2021-12-17 22:45:33,892 INFO  L74            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand