./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y --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 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:48:57,653 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:48:57,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:48:57,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:48:57,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:48:57,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:48:57,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:48:57,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:48:57,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:48:57,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:48:57,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:48:57,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:48:57,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:48:57,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:48:57,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:48:57,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:48:57,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:48:57,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:48:57,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:48:57,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:48:57,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:48:57,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:48:57,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:48:57,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:48:57,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:48:57,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:48:57,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:48:57,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:48:57,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:48:57,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:48:57,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:48:57,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:48:57,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:48:57,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:48:57,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:48:57,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:48:57,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:48:57,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:48:57,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:48:57,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:48:57,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:48:57,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 17:48:57,800 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:48:57,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:48:57,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:48:57,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:48:57,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:48:57,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:48:57,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:48:57,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:48:57,805 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:48:57,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:48:57,806 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:48:57,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 17:48:57,807 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:48:57,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:48:57,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:48:57,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:48:57,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:48:57,808 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:48:57,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:48:57,808 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:48:57,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:48:57,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:48:57,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:48:57,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 17:48:57,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:48:57,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:48:57,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:48:57,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:48:57,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 17:48:57,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:48:57,811 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:48:57,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:48:57,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:48:57,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:48:57,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354
[2021-11-13 17:48:58,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:48:58,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:48:58,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:48:58,141 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:48:58,143 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:48:58,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2021-11-13 17:48:58,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/data/67436f5c6/db6f0faebf144fd8ad5fb1938b3fdef5/FLAGd539406c4
[2021-11-13 17:48:58,829 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:48:58,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2021-11-13 17:48:58,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/data/67436f5c6/db6f0faebf144fd8ad5fb1938b3fdef5/FLAGd539406c4
[2021-11-13 17:48:59,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/data/67436f5c6/db6f0faebf144fd8ad5fb1938b3fdef5
[2021-11-13 17:48:59,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:48:59,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:48:59,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:48:59,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:48:59,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:48:59,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5a7373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59, skipping insertion in model container
[2021-11-13 17:48:59,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:48:59,206 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:48:59,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3856,3869]
[2021-11-13 17:48:59,462 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:48:59,473 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:48:59,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3856,3869]
[2021-11-13 17:48:59,515 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:48:59,531 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:48:59,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59 WrapperNode
[2021-11-13 17:48:59,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:48:59,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:48:59,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:48:59,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:48:59,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:48:59,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:48:59,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:48:59,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:48:59,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:48:59,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:48:59,692 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:48:59,692 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:48:59,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (1/1) ...
[2021-11-13 17:48:59,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:48:59,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:48:59,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:48:59,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:48:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2021-11-13 17:48:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-13 17:48:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2021-11-13 17:48:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-13 17:48:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:48:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:48:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:48:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-13 17:48:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:48:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:48:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 17:48:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:48:59,801 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-13 17:49:00,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:49:00,452 INFO L299 CfgBuilder]: Removed 3 assume(true) statements.
[2021-11-13 17:49:00,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:49:00 BoogieIcfgContainer
[2021-11-13 17:49:00,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:49:00,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:49:00,457 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:49:00,461 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:49:00,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:48:59" (1/3) ...
[2021-11-13 17:49:00,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fcd366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:49:00, skipping insertion in model container
[2021-11-13 17:49:00,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:48:59" (2/3) ...
[2021-11-13 17:49:00,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fcd366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:49:00, skipping insertion in model container
[2021-11-13 17:49:00,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:49:00" (3/3) ...
[2021-11-13 17:49:00,464 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c
[2021-11-13 17:49:00,470 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-13 17:49:00,470 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:49:00,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:49:00,471 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-13 17:49:00,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,524 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,537 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,538 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,539 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,540 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,540 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,540 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,540 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,540 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,545 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,545 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,545 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,545 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,548 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,548 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,548 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,549 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,549 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,549 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,549 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,550 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,551 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,551 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,551 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,551 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,552 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,552 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,552 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,552 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,553 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,553 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,553 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,554 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,554 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,554 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,555 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,556 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,588 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,588 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,589 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,595 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,596 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,596 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,596 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,597 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,597 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,597 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,597 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,598 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,598 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,598 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,598 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,627 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,628 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,629 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,630 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,631 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,632 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,633 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,634 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,635 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,636 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,637 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,637 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,637 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,637 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,637 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,638 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,639 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,640 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,641 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,648 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,649 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,652 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,665 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,666 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,668 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,673 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 17:49:00,704 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-11-13 17:49:00,795 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:49:00,808 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
[2021-11-13 17:49:00,809 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-11-13 17:49:00,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 353 transitions, 722 flow
[2021-11-13 17:49:01,040 INFO L129 PetriNetUnfolder]: 35/351 cut-off events.
[2021-11-13 17:49:01,041 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-11-13 17:49:01,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 351 events. 35/351 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 737 event pairs, 0 based on Foata normal form. 0/315 useless extension candidates. Maximal degree in co-relation 211. Up to 2 conditions per place.
[2021-11-13 17:49:01,055 INFO L82 GeneralOperation]: Start removeDead. Operand has 325 places, 353 transitions, 722 flow
[2021-11-13 17:49:01,073 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 314 places, 342 transitions, 696 flow
[2021-11-13 17:49:01,206 INFO L129 PetriNetUnfolder]: 35/341 cut-off events.
[2021-11-13 17:49:01,206 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-11-13 17:49:01,206 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:01,207 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]
[2021-11-13 17:49:01,207 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:01,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:01,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1977256279, now seen corresponding path program 1 times
[2021-11-13 17:49:01,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:01,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900427452]
[2021-11-13 17:49:01,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:01,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:01,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:01,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900427452]
[2021-11-13 17:49:01,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900427452] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:01,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:01,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:49:01,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363701632]
[2021-11-13 17:49:01,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:01,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:49:01,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:01,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:49:01,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:49:01,704 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 353
[2021-11-13 17:49:01,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 342 transitions, 696 flow. Second operand has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:01,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:01,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 353
[2021-11-13 17:49:01,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:01,803 INFO L129 PetriNetUnfolder]: 21/328 cut-off events.
[2021-11-13 17:49:01,803 INFO L130 PetriNetUnfolder]: For 8/9 co-relation queries the response was YES.
[2021-11-13 17:49:01,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 328 events. 21/328 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 709 event pairs, 0 based on Foata normal form. 17/313 useless extension candidates. Maximal degree in co-relation 202. Up to 5 conditions per place.
[2021-11-13 17:49:01,810 INFO L132 encePairwiseOnDemand]: 339/353 looper letters, 4 selfloop transitions, 0 changer transitions 3/328 dead transitions.
[2021-11-13 17:49:01,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 328 transitions, 676 flow
[2021-11-13 17:49:01,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 17:49:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2021-11-13 17:49:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 686 transitions.
[2021-11-13 17:49:01,832 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9716713881019831
[2021-11-13 17:49:01,833 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 686 transitions.
[2021-11-13 17:49:01,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 686 transitions.
[2021-11-13 17:49:01,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:01,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 686 transitions.
[2021-11-13 17:49:01,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 343.0) internal successors, (686), 2 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:01,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:01,865 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:01,867 INFO L186 Difference]: Start difference. First operand has 314 places, 342 transitions, 696 flow. Second operand 2 states and 686 transitions.
[2021-11-13 17:49:01,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 328 transitions, 676 flow
[2021-11-13 17:49:01,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 328 transitions, 668 flow, removed 0 selfloop flow, removed 4 redundant places.
[2021-11-13 17:49:01,901 INFO L242 Difference]: Finished difference. Result has 311 places, 325 transitions, 654 flow
[2021-11-13 17:49:01,904 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=654, PETRI_PLACES=311, PETRI_TRANSITIONS=325}
[2021-11-13 17:49:01,911 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, -3 predicate places.
[2021-11-13 17:49:01,911 INFO L470 AbstractCegarLoop]: Abstraction has has 311 places, 325 transitions, 654 flow
[2021-11-13 17:49:01,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:01,912 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:01,913 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]
[2021-11-13 17:49:01,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:49:01,913 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:01,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:01,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1672738487, now seen corresponding path program 1 times
[2021-11-13 17:49:01,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:01,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932305841]
[2021-11-13 17:49:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:01,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:02,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:02,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932305841]
[2021-11-13 17:49:02,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932305841] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:02,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:02,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 17:49:02,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655401992]
[2021-11-13 17:49:02,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:02,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:49:02,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:02,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:49:02,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:49:02,188 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 353
[2021-11-13 17:49:02,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 325 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:02,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:02,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 353
[2021-11-13 17:49:02,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:03,200 INFO L129 PetriNetUnfolder]: 642/3582 cut-off events.
[2021-11-13 17:49:03,201 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES.
[2021-11-13 17:49:03,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4430 conditions, 3582 events. 642/3582 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 33579 event pairs, 264 based on Foata normal form. 0/3053 useless extension candidates. Maximal degree in co-relation 4427. Up to 505 conditions per place.
[2021-11-13 17:49:03,249 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 55 selfloop transitions, 4 changer transitions 0/350 dead transitions.
[2021-11-13 17:49:03,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 350 transitions, 825 flow
[2021-11-13 17:49:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 17:49:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:49:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions.
[2021-11-13 17:49:03,257 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9206798866855525
[2021-11-13 17:49:03,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 975 transitions.
[2021-11-13 17:49:03,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 975 transitions.
[2021-11-13 17:49:03,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:03,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 975 transitions.
[2021-11-13 17:49:03,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:03,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:03,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:03,273 INFO L186 Difference]: Start difference. First operand has 311 places, 325 transitions, 654 flow. Second operand 3 states and 975 transitions.
[2021-11-13 17:49:03,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 350 transitions, 825 flow
[2021-11-13 17:49:03,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 350 transitions, 825 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-11-13 17:49:03,289 INFO L242 Difference]: Finished difference. Result has 312 places, 329 transitions, 694 flow
[2021-11-13 17:49:03,291 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=312, PETRI_TRANSITIONS=329}
[2021-11-13 17:49:03,292 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, -2 predicate places.
[2021-11-13 17:49:03,292 INFO L470 AbstractCegarLoop]: Abstraction has has 312 places, 329 transitions, 694 flow
[2021-11-13 17:49:03,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:03,294 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:03,294 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]
[2021-11-13 17:49:03,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:49:03,295 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:03,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:03,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1890052835, now seen corresponding path program 1 times
[2021-11-13 17:49:03,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:03,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072360152]
[2021-11-13 17:49:03,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:03,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:03,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:03,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072360152]
[2021-11-13 17:49:03,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072360152] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:03,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:03,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 17:49:03,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279807204]
[2021-11-13 17:49:03,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:03,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:49:03,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:49:03,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:49:03,413 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 353
[2021-11-13 17:49:03,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 329 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:03,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:03,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 353
[2021-11-13 17:49:03,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:04,198 INFO L129 PetriNetUnfolder]: 475/3127 cut-off events.
[2021-11-13 17:49:04,199 INFO L130 PetriNetUnfolder]: For 259/259 co-relation queries the response was YES.
[2021-11-13 17:49:04,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3889 conditions, 3127 events. 475/3127 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 29491 event pairs, 253 based on Foata normal form. 49/2760 useless extension candidates. Maximal degree in co-relation 3884. Up to 317 conditions per place.
[2021-11-13 17:49:04,233 INFO L132 encePairwiseOnDemand]: 347/353 looper letters, 57 selfloop transitions, 2 changer transitions 0/350 dead transitions.
[2021-11-13 17:49:04,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 350 transitions, 853 flow
[2021-11-13 17:49:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 17:49:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:49:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 973 transitions.
[2021-11-13 17:49:04,237 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9187913125590179
[2021-11-13 17:49:04,237 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 973 transitions.
[2021-11-13 17:49:04,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 973 transitions.
[2021-11-13 17:49:04,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:04,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 973 transitions.
[2021-11-13 17:49:04,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.3333333333333) internal successors, (973), 3 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,247 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,247 INFO L186 Difference]: Start difference. First operand has 312 places, 329 transitions, 694 flow. Second operand 3 states and 973 transitions.
[2021-11-13 17:49:04,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 350 transitions, 853 flow
[2021-11-13 17:49:04,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 350 transitions, 851 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-11-13 17:49:04,258 INFO L242 Difference]: Finished difference. Result has 315 places, 329 transitions, 704 flow
[2021-11-13 17:49:04,259 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=315, PETRI_TRANSITIONS=329}
[2021-11-13 17:49:04,260 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 1 predicate places.
[2021-11-13 17:49:04,260 INFO L470 AbstractCegarLoop]: Abstraction has has 315 places, 329 transitions, 704 flow
[2021-11-13 17:49:04,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 308.0) internal successors, (924), 3 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,261 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:04,262 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]
[2021-11-13 17:49:04,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 17:49:04,262 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:04,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:04,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1681652397, now seen corresponding path program 1 times
[2021-11-13 17:49:04,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:04,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507549394]
[2021-11-13 17:49:04,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:04,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:04,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:04,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507549394]
[2021-11-13 17:49:04,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507549394] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:04,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:04,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 17:49:04,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295221450]
[2021-11-13 17:49:04,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:04,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:49:04,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:04,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:49:04,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:49:04,423 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 353
[2021-11-13 17:49:04,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 329 transitions, 704 flow. Second operand has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:04,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 353
[2021-11-13 17:49:04,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:04,870 INFO L129 PetriNetUnfolder]: 165/1793 cut-off events.
[2021-11-13 17:49:04,870 INFO L130 PetriNetUnfolder]: For 29/52 co-relation queries the response was YES.
[2021-11-13 17:49:04,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2042 conditions, 1793 events. 165/1793 cut-off events. For 29/52 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 13495 event pairs, 21 based on Foata normal form. 1/1607 useless extension candidates. Maximal degree in co-relation 2036. Up to 74 conditions per place.
[2021-11-13 17:49:04,892 INFO L132 encePairwiseOnDemand]: 341/353 looper letters, 27 selfloop transitions, 11 changer transitions 0/344 dead transitions.
[2021-11-13 17:49:04,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 344 transitions, 814 flow
[2021-11-13 17:49:04,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:49:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-11-13 17:49:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1299 transitions.
[2021-11-13 17:49:04,899 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.919971671388102
[2021-11-13 17:49:04,899 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1299 transitions.
[2021-11-13 17:49:04,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1299 transitions.
[2021-11-13 17:49:04,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:04,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1299 transitions.
[2021-11-13 17:49:04,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 324.75) internal successors, (1299), 4 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,914 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,914 INFO L186 Difference]: Start difference. First operand has 315 places, 329 transitions, 704 flow. Second operand 4 states and 1299 transitions.
[2021-11-13 17:49:04,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 344 transitions, 814 flow
[2021-11-13 17:49:04,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 344 transitions, 812 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-11-13 17:49:04,926 INFO L242 Difference]: Finished difference. Result has 320 places, 335 transitions, 772 flow
[2021-11-13 17:49:04,927 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=772, PETRI_PLACES=320, PETRI_TRANSITIONS=335}
[2021-11-13 17:49:04,929 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 6 predicate places.
[2021-11-13 17:49:04,929 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 335 transitions, 772 flow
[2021-11-13 17:49:04,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:04,930 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:04,931 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]
[2021-11-13 17:49:04,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 17:49:04,931 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:04,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1341510675, now seen corresponding path program 1 times
[2021-11-13 17:49:04,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:04,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564298097]
[2021-11-13 17:49:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:04,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:05,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:05,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564298097]
[2021-11-13 17:49:05,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564298097] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:05,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:05,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 17:49:05,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760405727]
[2021-11-13 17:49:05,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:05,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 17:49:05,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:05,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 17:49:05,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 17:49:05,062 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 353
[2021-11-13 17:49:05,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 335 transitions, 772 flow. Second operand has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:05,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:05,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 353
[2021-11-13 17:49:05,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:05,461 INFO L129 PetriNetUnfolder]: 132/1424 cut-off events.
[2021-11-13 17:49:05,461 INFO L130 PetriNetUnfolder]: For 42/53 co-relation queries the response was YES.
[2021-11-13 17:49:05,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1424 events. 132/1424 cut-off events. For 42/53 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9520 event pairs, 31 based on Foata normal form. 2/1293 useless extension candidates. Maximal degree in co-relation 1722. Up to 113 conditions per place.
[2021-11-13 17:49:05,481 INFO L132 encePairwiseOnDemand]: 342/353 looper letters, 30 selfloop transitions, 9 changer transitions 0/352 dead transitions.
[2021-11-13 17:49:05,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 352 transitions, 890 flow
[2021-11-13 17:49:05,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 17:49:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-11-13 17:49:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1937 transitions.
[2021-11-13 17:49:05,489 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9145420207743153
[2021-11-13 17:49:05,489 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1937 transitions.
[2021-11-13 17:49:05,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1937 transitions.
[2021-11-13 17:49:05,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:05,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1937 transitions.
[2021-11-13 17:49:05,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 322.8333333333333) internal successors, (1937), 6 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:05,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:05,507 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:05,507 INFO L186 Difference]: Start difference. First operand has 320 places, 335 transitions, 772 flow. Second operand 6 states and 1937 transitions.
[2021-11-13 17:49:05,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 352 transitions, 890 flow
[2021-11-13 17:49:05,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 352 transitions, 890 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-11-13 17:49:05,521 INFO L242 Difference]: Finished difference. Result has 329 places, 341 transitions, 831 flow
[2021-11-13 17:49:05,522 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=329, PETRI_TRANSITIONS=341}
[2021-11-13 17:49:05,525 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 15 predicate places.
[2021-11-13 17:49:05,525 INFO L470 AbstractCegarLoop]: Abstraction has has 329 places, 341 transitions, 831 flow
[2021-11-13 17:49:05,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:05,527 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:05,527 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]
[2021-11-13 17:49:05,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 17:49:05,528 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1215126355, now seen corresponding path program 1 times
[2021-11-13 17:49:05,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:05,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316761182]
[2021-11-13 17:49:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:05,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:05,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:05,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316761182]
[2021-11-13 17:49:05,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316761182] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:05,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:05,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 17:49:05,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389142073]
[2021-11-13 17:49:05,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:05,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 17:49:05,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:05,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 17:49:05,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 17:49:05,649 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 353
[2021-11-13 17:49:05,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 341 transitions, 831 flow. Second operand has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:05,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:05,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 353
[2021-11-13 17:49:05,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:06,293 INFO L129 PetriNetUnfolder]: 216/2386 cut-off events.
[2021-11-13 17:49:06,294 INFO L130 PetriNetUnfolder]: For 137/148 co-relation queries the response was YES.
[2021-11-13 17:49:06,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2902 conditions, 2386 events. 216/2386 cut-off events. For 137/148 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 18509 event pairs, 47 based on Foata normal form. 0/2128 useless extension candidates. Maximal degree in co-relation 2889. Up to 176 conditions per place.
[2021-11-13 17:49:06,322 INFO L132 encePairwiseOnDemand]: 342/353 looper letters, 29 selfloop transitions, 9 changer transitions 0/357 dead transitions.
[2021-11-13 17:49:06,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 357 transitions, 944 flow
[2021-11-13 17:49:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 17:49:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-11-13 17:49:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1936 transitions.
[2021-11-13 17:49:06,329 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9140698772426817
[2021-11-13 17:49:06,329 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1936 transitions.
[2021-11-13 17:49:06,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1936 transitions.
[2021-11-13 17:49:06,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:06,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1936 transitions.
[2021-11-13 17:49:06,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,344 INFO L186 Difference]: Start difference. First operand has 329 places, 341 transitions, 831 flow. Second operand 6 states and 1936 transitions.
[2021-11-13 17:49:06,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 357 transitions, 944 flow
[2021-11-13 17:49:06,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 357 transitions, 939 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-11-13 17:49:06,355 INFO L242 Difference]: Finished difference. Result has 337 places, 347 transitions, 885 flow
[2021-11-13 17:49:06,356 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=885, PETRI_PLACES=337, PETRI_TRANSITIONS=347}
[2021-11-13 17:49:06,356 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 23 predicate places.
[2021-11-13 17:49:06,357 INFO L470 AbstractCegarLoop]: Abstraction has has 337 places, 347 transitions, 885 flow
[2021-11-13 17:49:06,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 318.6) internal successors, (1593), 5 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,358 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:06,358 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]
[2021-11-13 17:49:06,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 17:49:06,359 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:06,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:06,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1786217094, now seen corresponding path program 1 times
[2021-11-13 17:49:06,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:06,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257731100]
[2021-11-13 17:49:06,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:06,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:06,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:06,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257731100]
[2021-11-13 17:49:06,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257731100] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:06,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:06,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 17:49:06,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865856720]
[2021-11-13 17:49:06,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:06,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 17:49:06,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:06,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 17:49:06,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-11-13 17:49:06,439 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 353
[2021-11-13 17:49:06,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 347 transitions, 885 flow. Second operand has 5 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:06,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 353
[2021-11-13 17:49:06,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:06,859 INFO L129 PetriNetUnfolder]: 110/1717 cut-off events.
[2021-11-13 17:49:06,859 INFO L130 PetriNetUnfolder]: For 75/87 co-relation queries the response was YES.
[2021-11-13 17:49:06,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2075 conditions, 1717 events. 110/1717 cut-off events. For 75/87 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11580 event pairs, 4 based on Foata normal form. 0/1581 useless extension candidates. Maximal degree in co-relation 2058. Up to 53 conditions per place.
[2021-11-13 17:49:06,888 INFO L132 encePairwiseOnDemand]: 348/353 looper letters, 16 selfloop transitions, 4 changer transitions 0/351 dead transitions.
[2021-11-13 17:49:06,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 351 transitions, 933 flow
[2021-11-13 17:49:06,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 17:49:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-11-13 17:49:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1631 transitions.
[2021-11-13 17:49:06,895 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9240793201133144
[2021-11-13 17:49:06,895 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1631 transitions.
[2021-11-13 17:49:06,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1631 transitions.
[2021-11-13 17:49:06,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:06,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1631 transitions.
[2021-11-13 17:49:06,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 326.2) internal successors, (1631), 5 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,907 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,908 INFO L186 Difference]: Start difference. First operand has 337 places, 347 transitions, 885 flow. Second operand 5 states and 1631 transitions.
[2021-11-13 17:49:06,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 351 transitions, 933 flow
[2021-11-13 17:49:06,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 351 transitions, 928 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-11-13 17:49:06,920 INFO L242 Difference]: Finished difference. Result has 341 places, 348 transitions, 896 flow
[2021-11-13 17:49:06,920 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=896, PETRI_PLACES=341, PETRI_TRANSITIONS=348}
[2021-11-13 17:49:06,921 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 27 predicate places.
[2021-11-13 17:49:06,922 INFO L470 AbstractCegarLoop]: Abstraction has has 341 places, 348 transitions, 896 flow
[2021-11-13 17:49:06,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 324.4) internal successors, (1622), 5 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:06,923 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:06,923 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]
[2021-11-13 17:49:06,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-13 17:49:06,924 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:06,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash 454408965, now seen corresponding path program 1 times
[2021-11-13 17:49:06,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:06,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615436460]
[2021-11-13 17:49:06,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:06,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:07,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:07,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615436460]
[2021-11-13 17:49:07,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615436460] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 17:49:07,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532577915]
[2021-11-13 17:49:07,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:07,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 17:49:07,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:49:07,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 17:49:07,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 17:49:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:07,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-13 17:49:07,177 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:49:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:07,775 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:49:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 17:49:08,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532577915] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 17:49:08,228 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 17:49:08,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14
[2021-11-13 17:49:08,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471440279]
[2021-11-13 17:49:08,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 17:49:08,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-13 17:49:08,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:08,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-13 17:49:08,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182
[2021-11-13 17:49:08,242 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 353
[2021-11-13 17:49:08,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 348 transitions, 896 flow. Second operand has 14 states, 14 states have (on average 323.64285714285717) internal successors, (4531), 14 states have internal predecessors, (4531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:08,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:08,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 353
[2021-11-13 17:49:08,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:08,803 INFO L129 PetriNetUnfolder]: 110/1726 cut-off events.
[2021-11-13 17:49:08,804 INFO L130 PetriNetUnfolder]: For 76/88 co-relation queries the response was YES.
[2021-11-13 17:49:08,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2096 conditions, 1726 events. 110/1726 cut-off events. For 76/88 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 11560 event pairs, 4 based on Foata normal form. 2/1593 useless extension candidates. Maximal degree in co-relation 2078. Up to 53 conditions per place.
[2021-11-13 17:49:08,832 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 17 selfloop transitions, 11 changer transitions 0/358 dead transitions.
[2021-11-13 17:49:08,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 358 transitions, 974 flow
[2021-11-13 17:49:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 17:49:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 17:49:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3561 transitions.
[2021-11-13 17:49:08,843 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9170744269894412
[2021-11-13 17:49:08,843 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3561 transitions.
[2021-11-13 17:49:08,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3561 transitions.
[2021-11-13 17:49:08,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:08,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3561 transitions.
[2021-11-13 17:49:08,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 323.72727272727275) internal successors, (3561), 11 states have internal predecessors, (3561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:08,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 353.0) internal successors, (4236), 12 states have internal predecessors, (4236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:08,868 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 353.0) internal successors, (4236), 12 states have internal predecessors, (4236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:08,869 INFO L186 Difference]: Start difference. First operand has 341 places, 348 transitions, 896 flow. Second operand 11 states and 3561 transitions.
[2021-11-13 17:49:08,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 358 transitions, 974 flow
[2021-11-13 17:49:08,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 358 transitions, 968 flow, removed 0 selfloop flow, removed 3 redundant places.
[2021-11-13 17:49:08,880 INFO L242 Difference]: Finished difference. Result has 351 places, 354 transitions, 945 flow
[2021-11-13 17:49:08,881 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=945, PETRI_PLACES=351, PETRI_TRANSITIONS=354}
[2021-11-13 17:49:08,882 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 37 predicate places.
[2021-11-13 17:49:08,882 INFO L470 AbstractCegarLoop]: Abstraction has has 351 places, 354 transitions, 945 flow
[2021-11-13 17:49:08,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 323.64285714285717) internal successors, (4531), 14 states have internal predecessors, (4531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:08,885 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:08,886 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:08,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 17:49:09,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2021-11-13 17:49:09,107 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:09,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash 266249057, now seen corresponding path program 2 times
[2021-11-13 17:49:09,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:09,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016106333]
[2021-11-13 17:49:09,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:09,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:09,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:09,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016106333]
[2021-11-13 17:49:09,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016106333] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:09,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:09,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-11-13 17:49:09,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123224967]
[2021-11-13 17:49:09,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:09,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 17:49:09,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:09,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 17:49:09,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:49:09,249 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 353
[2021-11-13 17:49:09,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 354 transitions, 945 flow. Second operand has 8 states, 8 states have (on average 309.125) internal successors, (2473), 8 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:09,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:09,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 353
[2021-11-13 17:49:09,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:09,773 INFO L129 PetriNetUnfolder]: 111/1830 cut-off events.
[2021-11-13 17:49:09,774 INFO L130 PetriNetUnfolder]: For 78/90 co-relation queries the response was YES.
[2021-11-13 17:49:09,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2404 conditions, 1830 events. 111/1830 cut-off events. For 78/90 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 12266 event pairs, 4 based on Foata normal form. 8/1703 useless extension candidates. Maximal degree in co-relation 2383. Up to 128 conditions per place.
[2021-11-13 17:49:09,806 INFO L132 encePairwiseOnDemand]: 344/353 looper letters, 35 selfloop transitions, 4 changer transitions 5/369 dead transitions.
[2021-11-13 17:49:09,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 369 transitions, 1063 flow
[2021-11-13 17:49:09,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 17:49:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-11-13 17:49:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2493 transitions.
[2021-11-13 17:49:09,816 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8827903682719547
[2021-11-13 17:49:09,816 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2493 transitions.
[2021-11-13 17:49:09,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2493 transitions.
[2021-11-13 17:49:09,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:09,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2493 transitions.
[2021-11-13 17:49:09,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 311.625) internal successors, (2493), 8 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:09,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:09,834 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:09,835 INFO L186 Difference]: Start difference. First operand has 351 places, 354 transitions, 945 flow. Second operand 8 states and 2493 transitions.
[2021-11-13 17:49:09,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 369 transitions, 1063 flow
[2021-11-13 17:49:09,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 369 transitions, 1054 flow, removed 2 selfloop flow, removed 3 redundant places.
[2021-11-13 17:49:09,849 INFO L242 Difference]: Finished difference. Result has 361 places, 357 transitions, 972 flow
[2021-11-13 17:49:09,850 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=972, PETRI_PLACES=361, PETRI_TRANSITIONS=357}
[2021-11-13 17:49:09,851 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 47 predicate places.
[2021-11-13 17:49:09,851 INFO L470 AbstractCegarLoop]: Abstraction has has 361 places, 357 transitions, 972 flow
[2021-11-13 17:49:09,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 309.125) internal successors, (2473), 8 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:09,852 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:09,853 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:09,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-13 17:49:09,854 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:09,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:09,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1901665691, now seen corresponding path program 1 times
[2021-11-13 17:49:09,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:09,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660461427]
[2021-11-13 17:49:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:09,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:09,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:09,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660461427]
[2021-11-13 17:49:09,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660461427] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:09,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:09,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 17:49:09,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980111432]
[2021-11-13 17:49:09,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:09,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:49:09,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:09,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:49:09,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:49:09,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 353
[2021-11-13 17:49:09,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 357 transitions, 972 flow. Second operand has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:09,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:09,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 353
[2021-11-13 17:49:09,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:10,785 INFO L129 PetriNetUnfolder]: 293/2938 cut-off events.
[2021-11-13 17:49:10,785 INFO L130 PetriNetUnfolder]: For 212/223 co-relation queries the response was YES.
[2021-11-13 17:49:10,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3962 conditions, 2938 events. 293/2938 cut-off events. For 212/223 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 23947 event pairs, 64 based on Foata normal form. 0/2626 useless extension candidates. Maximal degree in co-relation 3935. Up to 196 conditions per place.
[2021-11-13 17:49:10,837 INFO L132 encePairwiseOnDemand]: 341/353 looper letters, 26 selfloop transitions, 11 changer transitions 0/371 dead transitions.
[2021-11-13 17:49:10,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 371 transitions, 1077 flow
[2021-11-13 17:49:10,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:49:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2021-11-13 17:49:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1298 transitions.
[2021-11-13 17:49:10,843 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9192634560906515
[2021-11-13 17:49:10,843 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1298 transitions.
[2021-11-13 17:49:10,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1298 transitions.
[2021-11-13 17:49:10,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:10,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1298 transitions.
[2021-11-13 17:49:10,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 324.5) internal successors, (1298), 4 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:10,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:10,854 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 353.0) internal successors, (1765), 5 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:10,854 INFO L186 Difference]: Start difference. First operand has 361 places, 357 transitions, 972 flow. Second operand 4 states and 1298 transitions.
[2021-11-13 17:49:10,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 371 transitions, 1077 flow
[2021-11-13 17:49:10,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 371 transitions, 1067 flow, removed 4 selfloop flow, removed 5 redundant places.
[2021-11-13 17:49:10,871 INFO L242 Difference]: Finished difference. Result has 358 places, 363 transitions, 1032 flow
[2021-11-13 17:49:10,872 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1032, PETRI_PLACES=358, PETRI_TRANSITIONS=363}
[2021-11-13 17:49:10,873 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 44 predicate places.
[2021-11-13 17:49:10,873 INFO L470 AbstractCegarLoop]: Abstraction has has 358 places, 363 transitions, 1032 flow
[2021-11-13 17:49:10,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:10,874 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:10,875 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:10,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-13 17:49:10,875 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash -227916070, now seen corresponding path program 1 times
[2021-11-13 17:49:10,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:10,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145559167]
[2021-11-13 17:49:10,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:10,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:10,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:10,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145559167]
[2021-11-13 17:49:10,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145559167] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:10,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:10,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-11-13 17:49:10,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124181758]
[2021-11-13 17:49:10,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:10,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-11-13 17:49:10,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:10,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-11-13 17:49:10,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-11-13 17:49:10,948 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 353
[2021-11-13 17:49:10,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 363 transitions, 1032 flow. Second operand has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:10,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:10,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 353
[2021-11-13 17:49:10,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:11,623 INFO L129 PetriNetUnfolder]: 178/2081 cut-off events.
[2021-11-13 17:49:11,624 INFO L130 PetriNetUnfolder]: For 169/305 co-relation queries the response was YES.
[2021-11-13 17:49:11,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2879 conditions, 2081 events. 178/2081 cut-off events. For 169/305 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 14243 event pairs, 37 based on Foata normal form. 10/1960 useless extension candidates. Maximal degree in co-relation 2854. Up to 136 conditions per place.
[2021-11-13 17:49:11,671 INFO L132 encePairwiseOnDemand]: 348/353 looper letters, 35 selfloop transitions, 4 changer transitions 0/372 dead transitions.
[2021-11-13 17:49:11,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 372 transitions, 1135 flow
[2021-11-13 17:49:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 17:49:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-11-13 17:49:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1611 transitions.
[2021-11-13 17:49:11,679 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9127478753541076
[2021-11-13 17:49:11,679 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1611 transitions.
[2021-11-13 17:49:11,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1611 transitions.
[2021-11-13 17:49:11,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:11,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1611 transitions.
[2021-11-13 17:49:11,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 322.2) internal successors, (1611), 5 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:11,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:11,693 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 353.0) internal successors, (2118), 6 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:11,694 INFO L186 Difference]: Start difference. First operand has 358 places, 363 transitions, 1032 flow. Second operand 5 states and 1611 transitions.
[2021-11-13 17:49:11,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 372 transitions, 1135 flow
[2021-11-13 17:49:11,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 372 transitions, 1133 flow, removed 1 selfloop flow, removed 0 redundant places.
[2021-11-13 17:49:11,711 INFO L242 Difference]: Finished difference. Result has 363 places, 363 transitions, 1044 flow
[2021-11-13 17:49:11,713 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1044, PETRI_PLACES=363, PETRI_TRANSITIONS=363}
[2021-11-13 17:49:11,713 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 49 predicate places.
[2021-11-13 17:49:11,714 INFO L470 AbstractCegarLoop]: Abstraction has has 363 places, 363 transitions, 1044 flow
[2021-11-13 17:49:11,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 318.0) internal successors, (1272), 4 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:11,714 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:11,715 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:11,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-11-13 17:49:11,715 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:11,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:11,716 INFO L85 PathProgramCache]: Analyzing trace with hash -731169643, now seen corresponding path program 1 times
[2021-11-13 17:49:11,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:11,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856710884]
[2021-11-13 17:49:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:11,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:11,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:11,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856710884]
[2021-11-13 17:49:11,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856710884] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:11,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:11,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 17:49:11,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3602975]
[2021-11-13 17:49:11,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:11,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 17:49:11,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:11,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 17:49:11,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-11-13 17:49:11,805 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 353
[2021-11-13 17:49:11,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 363 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:11,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:11,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 353
[2021-11-13 17:49:11,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:14,320 INFO L129 PetriNetUnfolder]: 1787/9609 cut-off events.
[2021-11-13 17:49:14,320 INFO L130 PetriNetUnfolder]: For 3050/3062 co-relation queries the response was YES.
[2021-11-13 17:49:14,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15608 conditions, 9609 events. 1787/9609 cut-off events. For 3050/3062 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 98130 event pairs, 691 based on Foata normal form. 31/8775 useless extension candidates. Maximal degree in co-relation 15581. Up to 1901 conditions per place.
[2021-11-13 17:49:14,480 INFO L132 encePairwiseOnDemand]: 343/353 looper letters, 184 selfloop transitions, 36 changer transitions 0/527 dead transitions.
[2021-11-13 17:49:14,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 527 transitions, 2115 flow
[2021-11-13 17:49:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2021-11-13 17:49:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2021-11-13 17:49:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 5234 transitions.
[2021-11-13 17:49:14,499 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.872187968671888
[2021-11-13 17:49:14,499 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 5234 transitions.
[2021-11-13 17:49:14,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 5234 transitions.
[2021-11-13 17:49:14,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:14,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 5234 transitions.
[2021-11-13 17:49:14,517 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)
[2021-11-13 17:49:14,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:14,534 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 353.0) internal successors, (6354), 18 states have internal predecessors, (6354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:14,535 INFO L186 Difference]: Start difference. First operand has 363 places, 363 transitions, 1044 flow. Second operand 17 states and 5234 transitions.
[2021-11-13 17:49:14,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 527 transitions, 2115 flow
[2021-11-13 17:49:14,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 527 transitions, 2093 flow, removed 5 selfloop flow, removed 2 redundant places.
[2021-11-13 17:49:14,568 INFO L242 Difference]: Finished difference. Result has 385 places, 391 transitions, 1302 flow
[2021-11-13 17:49:14,569 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1302, PETRI_PLACES=385, PETRI_TRANSITIONS=391}
[2021-11-13 17:49:14,571 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 71 predicate places.
[2021-11-13 17:49:14,571 INFO L470 AbstractCegarLoop]: Abstraction has has 385 places, 391 transitions, 1302 flow
[2021-11-13 17:49:14,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:14,572 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:14,572 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:14,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-11-13 17:49:14,573 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:14,574 INFO L85 PathProgramCache]: Analyzing trace with hash -423907830, now seen corresponding path program 1 times
[2021-11-13 17:49:14,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:14,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443730129]
[2021-11-13 17:49:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:14,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:14,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:14,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443730129]
[2021-11-13 17:49:14,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443730129] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:14,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:14,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 17:49:14,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300448079]
[2021-11-13 17:49:14,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:14,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 17:49:14,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:14,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 17:49:14,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 17:49:14,643 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 353
[2021-11-13 17:49:14,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 391 transitions, 1302 flow. Second operand has 5 states, 5 states have (on average 316.8) internal successors, (1584), 5 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:14,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:14,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 353
[2021-11-13 17:49:14,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:15,310 INFO L129 PetriNetUnfolder]: 229/2435 cut-off events.
[2021-11-13 17:49:15,310 INFO L130 PetriNetUnfolder]: For 693/821 co-relation queries the response was YES.
[2021-11-13 17:49:15,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3658 conditions, 2435 events. 229/2435 cut-off events. For 693/821 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 17296 event pairs, 40 based on Foata normal form. 24/2300 useless extension candidates. Maximal degree in co-relation 3625. Up to 164 conditions per place.
[2021-11-13 17:49:15,353 INFO L132 encePairwiseOnDemand]: 343/353 looper letters, 44 selfloop transitions, 19 changer transitions 0/410 dead transitions.
[2021-11-13 17:49:15,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 410 transitions, 1485 flow
[2021-11-13 17:49:15,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 17:49:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-11-13 17:49:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2239 transitions.
[2021-11-13 17:49:15,369 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9061108862808579
[2021-11-13 17:49:15,369 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2239 transitions.
[2021-11-13 17:49:15,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2239 transitions.
[2021-11-13 17:49:15,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:15,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2239 transitions.
[2021-11-13 17:49:15,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 319.85714285714283) internal successors, (2239), 7 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:15,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:15,386 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:15,386 INFO L186 Difference]: Start difference. First operand has 385 places, 391 transitions, 1302 flow. Second operand 7 states and 2239 transitions.
[2021-11-13 17:49:15,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 410 transitions, 1485 flow
[2021-11-13 17:49:15,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 410 transitions, 1451 flow, removed 4 selfloop flow, removed 4 redundant places.
[2021-11-13 17:49:15,406 INFO L242 Difference]: Finished difference. Result has 390 places, 397 transitions, 1358 flow
[2021-11-13 17:49:15,407 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1358, PETRI_PLACES=390, PETRI_TRANSITIONS=397}
[2021-11-13 17:49:15,409 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 76 predicate places.
[2021-11-13 17:49:15,409 INFO L470 AbstractCegarLoop]: Abstraction has has 390 places, 397 transitions, 1358 flow
[2021-11-13 17:49:15,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 316.8) internal successors, (1584), 5 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:15,410 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:15,410 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:15,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-11-13 17:49:15,411 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:15,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1856360310, now seen corresponding path program 1 times
[2021-11-13 17:49:15,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:15,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657465819]
[2021-11-13 17:49:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:15,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2021-11-13 17:49:15,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:15,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657465819]
[2021-11-13 17:49:15,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657465819] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:15,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:15,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 17:49:15,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383129735]
[2021-11-13 17:49:15,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:15,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 17:49:15,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:15,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 17:49:15,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-11-13 17:49:15,529 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 353
[2021-11-13 17:49:15,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 397 transitions, 1358 flow. Second operand has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:15,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:15,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 353
[2021-11-13 17:49:15,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:16,314 INFO L129 PetriNetUnfolder]: 270/2864 cut-off events.
[2021-11-13 17:49:16,314 INFO L130 PetriNetUnfolder]: For 752/879 co-relation queries the response was YES.
[2021-11-13 17:49:16,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4438 conditions, 2864 events. 270/2864 cut-off events. For 752/879 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 21838 event pairs, 50 based on Foata normal form. 17/2691 useless extension candidates. Maximal degree in co-relation 4402. Up to 228 conditions per place.
[2021-11-13 17:49:16,358 INFO L132 encePairwiseOnDemand]: 337/353 looper letters, 40 selfloop transitions, 17 changer transitions 0/423 dead transitions.
[2021-11-13 17:49:16,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 423 transitions, 1542 flow
[2021-11-13 17:49:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 17:49:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-11-13 17:49:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2551 transitions.
[2021-11-13 17:49:16,368 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9033286118980169
[2021-11-13 17:49:16,368 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2551 transitions.
[2021-11-13 17:49:16,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2551 transitions.
[2021-11-13 17:49:16,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:16,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2551 transitions.
[2021-11-13 17:49:16,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 318.875) internal successors, (2551), 8 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:16,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:16,386 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:16,387 INFO L186 Difference]: Start difference. First operand has 390 places, 397 transitions, 1358 flow. Second operand 8 states and 2551 transitions.
[2021-11-13 17:49:16,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 423 transitions, 1542 flow
[2021-11-13 17:49:16,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 423 transitions, 1524 flow, removed 1 selfloop flow, removed 2 redundant places.
[2021-11-13 17:49:16,407 INFO L242 Difference]: Finished difference. Result has 399 places, 407 transitions, 1449 flow
[2021-11-13 17:49:16,408 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1340, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1449, PETRI_PLACES=399, PETRI_TRANSITIONS=407}
[2021-11-13 17:49:16,408 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 85 predicate places.
[2021-11-13 17:49:16,409 INFO L470 AbstractCegarLoop]: Abstraction has has 399 places, 407 transitions, 1449 flow
[2021-11-13 17:49:16,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:16,410 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:16,410 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:16,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-11-13 17:49:16,411 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:16,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:16,411 INFO L85 PathProgramCache]: Analyzing trace with hash -38920124, now seen corresponding path program 1 times
[2021-11-13 17:49:16,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:16,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727059233]
[2021-11-13 17:49:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:16,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:16,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:16,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727059233]
[2021-11-13 17:49:16,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727059233] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:16,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:16,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 17:49:16,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111644528]
[2021-11-13 17:49:16,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:16,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:49:16,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:16,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:49:16,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:49:16,459 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 353
[2021-11-13 17:49:16,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 407 transitions, 1449 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:16,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:16,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 353
[2021-11-13 17:49:16,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:19,068 INFO L129 PetriNetUnfolder]: 1317/11822 cut-off events.
[2021-11-13 17:49:19,068 INFO L130 PetriNetUnfolder]: For 4086/4151 co-relation queries the response was YES.
[2021-11-13 17:49:19,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18163 conditions, 11822 events. 1317/11822 cut-off events. For 4086/4151 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 133267 event pairs, 377 based on Foata normal form. 10/10854 useless extension candidates. Maximal degree in co-relation 18122. Up to 970 conditions per place.
[2021-11-13 17:49:19,279 INFO L132 encePairwiseOnDemand]: 349/353 looper letters, 52 selfloop transitions, 3 changer transitions 0/425 dead transitions.
[2021-11-13 17:49:19,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 425 transitions, 1618 flow
[2021-11-13 17:49:19,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 17:49:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:49:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions.
[2021-11-13 17:49:19,284 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9159584513692163
[2021-11-13 17:49:19,285 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 970 transitions.
[2021-11-13 17:49:19,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 970 transitions.
[2021-11-13 17:49:19,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:19,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 970 transitions.
[2021-11-13 17:49:19,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:19,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:19,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:19,295 INFO L186 Difference]: Start difference. First operand has 399 places, 407 transitions, 1449 flow. Second operand 3 states and 970 transitions.
[2021-11-13 17:49:19,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 425 transitions, 1618 flow
[2021-11-13 17:49:19,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 425 transitions, 1605 flow, removed 1 selfloop flow, removed 3 redundant places.
[2021-11-13 17:49:19,365 INFO L242 Difference]: Finished difference. Result has 400 places, 409 transitions, 1458 flow
[2021-11-13 17:49:19,366 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1436, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1458, PETRI_PLACES=400, PETRI_TRANSITIONS=409}
[2021-11-13 17:49:19,367 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 86 predicate places.
[2021-11-13 17:49:19,367 INFO L470 AbstractCegarLoop]: Abstraction has has 400 places, 409 transitions, 1458 flow
[2021-11-13 17:49:19,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:19,368 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:19,368 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:19,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-11-13 17:49:19,369 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:19,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:19,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1289922524, now seen corresponding path program 1 times
[2021-11-13 17:49:19,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:19,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984230955]
[2021-11-13 17:49:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:19,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:19,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:19,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984230955]
[2021-11-13 17:49:19,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984230955] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:19,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:19,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 17:49:19,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322187039]
[2021-11-13 17:49:19,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:19,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 17:49:19,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:19,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 17:49:19,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-11-13 17:49:19,579 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 353
[2021-11-13 17:49:19,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 409 transitions, 1458 flow. Second operand has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:19,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:19,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 353
[2021-11-13 17:49:19,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:20,923 INFO L129 PetriNetUnfolder]: 430/5025 cut-off events.
[2021-11-13 17:49:20,924 INFO L130 PetriNetUnfolder]: For 1306/1598 co-relation queries the response was YES.
[2021-11-13 17:49:21,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8064 conditions, 5025 events. 430/5025 cut-off events. For 1306/1598 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 44356 event pairs, 88 based on Foata normal form. 42/4801 useless extension candidates. Maximal degree in co-relation 8022. Up to 468 conditions per place.
[2021-11-13 17:49:21,024 INFO L132 encePairwiseOnDemand]: 341/353 looper letters, 49 selfloop transitions, 13 changer transitions 0/433 dead transitions.
[2021-11-13 17:49:21,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 433 transitions, 1671 flow
[2021-11-13 17:49:21,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 17:49:21,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-11-13 17:49:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2248 transitions.
[2021-11-13 17:49:21,033 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9097531363820316
[2021-11-13 17:49:21,034 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2248 transitions.
[2021-11-13 17:49:21,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2248 transitions.
[2021-11-13 17:49:21,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:21,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2248 transitions.
[2021-11-13 17:49:21,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 321.14285714285717) internal successors, (2248), 7 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:21,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:21,054 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:21,054 INFO L186 Difference]: Start difference. First operand has 400 places, 409 transitions, 1458 flow. Second operand 7 states and 2248 transitions.
[2021-11-13 17:49:21,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 433 transitions, 1671 flow
[2021-11-13 17:49:21,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 433 transitions, 1665 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-11-13 17:49:21,230 INFO L242 Difference]: Finished difference. Result has 409 places, 419 transitions, 1565 flow
[2021-11-13 17:49:21,231 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1452, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1565, PETRI_PLACES=409, PETRI_TRANSITIONS=419}
[2021-11-13 17:49:21,232 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 95 predicate places.
[2021-11-13 17:49:21,232 INFO L470 AbstractCegarLoop]: Abstraction has has 409 places, 419 transitions, 1565 flow
[2021-11-13 17:49:21,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:21,233 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:21,233 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:21,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-11-13 17:49:21,234 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:21,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:21,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1054611153, now seen corresponding path program 1 times
[2021-11-13 17:49:21,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:21,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673818009]
[2021-11-13 17:49:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:21,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2021-11-13 17:49:21,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:21,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673818009]
[2021-11-13 17:49:21,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673818009] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:21,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:21,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-11-13 17:49:21,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654384913]
[2021-11-13 17:49:21,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:21,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 17:49:21,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:21,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 17:49:21,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-11-13 17:49:21,363 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 353
[2021-11-13 17:49:21,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 419 transitions, 1565 flow. Second operand has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:21,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:21,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 353
[2021-11-13 17:49:21,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:24,157 INFO L129 PetriNetUnfolder]: 1034/9391 cut-off events.
[2021-11-13 17:49:24,158 INFO L130 PetriNetUnfolder]: For 3419/3457 co-relation queries the response was YES.
[2021-11-13 17:49:24,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15122 conditions, 9391 events. 1034/9391 cut-off events. For 3419/3457 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 106061 event pairs, 299 based on Foata normal form. 28/8485 useless extension candidates. Maximal degree in co-relation 15075. Up to 1027 conditions per place.
[2021-11-13 17:49:24,299 INFO L132 encePairwiseOnDemand]: 337/353 looper letters, 39 selfloop transitions, 17 changer transitions 0/444 dead transitions.
[2021-11-13 17:49:24,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 444 transitions, 1744 flow
[2021-11-13 17:49:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-11-13 17:49:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2021-11-13 17:49:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2550 transitions.
[2021-11-13 17:49:24,306 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9029745042492918
[2021-11-13 17:49:24,306 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2550 transitions.
[2021-11-13 17:49:24,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2550 transitions.
[2021-11-13 17:49:24,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:24,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2550 transitions.
[2021-11-13 17:49:24,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 318.75) internal successors, (2550), 8 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:24,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:24,321 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:24,322 INFO L186 Difference]: Start difference. First operand has 409 places, 419 transitions, 1565 flow. Second operand 8 states and 2550 transitions.
[2021-11-13 17:49:24,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 444 transitions, 1744 flow
[2021-11-13 17:49:24,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 444 transitions, 1738 flow, removed 3 selfloop flow, removed 0 redundant places.
[2021-11-13 17:49:24,365 INFO L242 Difference]: Finished difference. Result has 420 places, 429 transitions, 1668 flow
[2021-11-13 17:49:24,366 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1559, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1668, PETRI_PLACES=420, PETRI_TRANSITIONS=429}
[2021-11-13 17:49:24,367 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 106 predicate places.
[2021-11-13 17:49:24,367 INFO L470 AbstractCegarLoop]: Abstraction has has 420 places, 429 transitions, 1668 flow
[2021-11-13 17:49:24,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 314.7142857142857) internal successors, (2203), 7 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:24,368 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:24,368 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:24,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-11-13 17:49:24,369 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:24,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:24,369 INFO L85 PathProgramCache]: Analyzing trace with hash 224451925, now seen corresponding path program 1 times
[2021-11-13 17:49:24,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:24,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361028977]
[2021-11-13 17:49:24,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:24,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:24,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:24,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361028977]
[2021-11-13 17:49:24,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361028977] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:24,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:24,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 17:49:24,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623057370]
[2021-11-13 17:49:24,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:24,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-11-13 17:49:24,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:24,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 17:49:24,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 17:49:24,433 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 353
[2021-11-13 17:49:24,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 429 transitions, 1668 flow. Second operand has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:24,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:24,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 353
[2021-11-13 17:49:24,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:27,237 INFO L129 PetriNetUnfolder]: 1164/9843 cut-off events.
[2021-11-13 17:49:27,237 INFO L130 PetriNetUnfolder]: For 4994/5032 co-relation queries the response was YES.
[2021-11-13 17:49:27,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17036 conditions, 9843 events. 1164/9843 cut-off events. For 4994/5032 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 113044 event pairs, 416 based on Foata normal form. 74/8901 useless extension candidates. Maximal degree in co-relation 16984. Up to 1168 conditions per place.
[2021-11-13 17:49:27,416 INFO L132 encePairwiseOnDemand]: 343/353 looper letters, 46 selfloop transitions, 19 changer transitions 0/446 dead transitions.
[2021-11-13 17:49:27,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 446 transitions, 1854 flow
[2021-11-13 17:49:27,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 17:49:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-11-13 17:49:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2238 transitions.
[2021-11-13 17:49:27,423 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.905706191825172
[2021-11-13 17:49:27,423 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2238 transitions.
[2021-11-13 17:49:27,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2238 transitions.
[2021-11-13 17:49:27,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:27,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2238 transitions.
[2021-11-13 17:49:27,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 319.7142857142857) internal successors, (2238), 7 states have internal predecessors, (2238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:27,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:27,437 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:27,438 INFO L186 Difference]: Start difference. First operand has 420 places, 429 transitions, 1668 flow. Second operand 7 states and 2238 transitions.
[2021-11-13 17:49:27,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 446 transitions, 1854 flow
[2021-11-13 17:49:27,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 446 transitions, 1841 flow, removed 1 selfloop flow, removed 3 redundant places.
[2021-11-13 17:49:27,669 INFO L242 Difference]: Finished difference. Result has 426 places, 435 transitions, 1751 flow
[2021-11-13 17:49:27,670 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1655, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1751, PETRI_PLACES=426, PETRI_TRANSITIONS=435}
[2021-11-13 17:49:27,671 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 112 predicate places.
[2021-11-13 17:49:27,671 INFO L470 AbstractCegarLoop]: Abstraction has has 426 places, 435 transitions, 1751 flow
[2021-11-13 17:49:27,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 317.0) internal successors, (1585), 5 states have internal predecessors, (1585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:27,672 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:27,672 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:27,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-11-13 17:49:27,673 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:27,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:27,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1161617543, now seen corresponding path program 1 times
[2021-11-13 17:49:27,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:27,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558175497]
[2021-11-13 17:49:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:27,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:27,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:27,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558175497]
[2021-11-13 17:49:27,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558175497] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:27,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:27,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 17:49:27,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007938529]
[2021-11-13 17:49:27,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:27,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 17:49:27,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:27,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 17:49:27,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 17:49:27,730 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 353
[2021-11-13 17:49:27,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 435 transitions, 1751 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:27,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:27,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 353
[2021-11-13 17:49:27,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:35,149 INFO L129 PetriNetUnfolder]: 3174/27589 cut-off events.
[2021-11-13 17:49:35,149 INFO L130 PetriNetUnfolder]: For 16718/18283 co-relation queries the response was YES.
[2021-11-13 17:49:35,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48080 conditions, 27589 events. 3174/27589 cut-off events. For 16718/18283 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 385483 event pairs, 1289 based on Foata normal form. 48/25580 useless extension candidates. Maximal degree in co-relation 48025. Up to 3009 conditions per place.
[2021-11-13 17:49:35,674 INFO L132 encePairwiseOnDemand]: 349/353 looper letters, 51 selfloop transitions, 3 changer transitions 0/452 dead transitions.
[2021-11-13 17:49:35,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 452 transitions, 1919 flow
[2021-11-13 17:49:35,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 17:49:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 17:49:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions.
[2021-11-13 17:49:35,676 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9150141643059491
[2021-11-13 17:49:35,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 969 transitions.
[2021-11-13 17:49:35,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 969 transitions.
[2021-11-13 17:49:35,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:35,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 969 transitions.
[2021-11-13 17:49:35,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:35,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:35,684 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:35,684 INFO L186 Difference]: Start difference. First operand has 426 places, 435 transitions, 1751 flow. Second operand 3 states and 969 transitions.
[2021-11-13 17:49:35,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 452 transitions, 1919 flow
[2021-11-13 17:49:36,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 452 transitions, 1895 flow, removed 4 selfloop flow, removed 2 redundant places.
[2021-11-13 17:49:36,050 INFO L242 Difference]: Finished difference. Result has 428 places, 437 transitions, 1749 flow
[2021-11-13 17:49:36,051 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1727, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1749, PETRI_PLACES=428, PETRI_TRANSITIONS=437}
[2021-11-13 17:49:36,051 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 114 predicate places.
[2021-11-13 17:49:36,052 INFO L470 AbstractCegarLoop]: Abstraction has has 428 places, 437 transitions, 1749 flow
[2021-11-13 17:49:36,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:36,052 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:36,052 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:36,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-11-13 17:49:36,052 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:36,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:36,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1604949299, now seen corresponding path program 1 times
[2021-11-13 17:49:36,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:36,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518359345]
[2021-11-13 17:49:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:36,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:36,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:36,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518359345]
[2021-11-13 17:49:36,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518359345] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:36,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:36,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-13 17:49:36,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921370713]
[2021-11-13 17:49:36,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:36,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 17:49:36,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:36,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 17:49:36,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-11-13 17:49:36,403 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 353
[2021-11-13 17:49:36,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 437 transitions, 1749 flow. Second operand has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:36,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:36,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 353
[2021-11-13 17:49:36,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:41,831 INFO L129 PetriNetUnfolder]: 1878/18064 cut-off events.
[2021-11-13 17:49:41,831 INFO L130 PetriNetUnfolder]: For 8872/8947 co-relation queries the response was YES.
[2021-11-13 17:49:42,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31458 conditions, 18064 events. 1878/18064 cut-off events. For 8872/8947 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 239582 event pairs, 673 based on Foata normal form. 107/16639 useless extension candidates. Maximal degree in co-relation 31401. Up to 2346 conditions per place.
[2021-11-13 17:49:42,245 INFO L132 encePairwiseOnDemand]: 341/353 looper letters, 48 selfloop transitions, 13 changer transitions 0/460 dead transitions.
[2021-11-13 17:49:42,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 460 transitions, 1957 flow
[2021-11-13 17:49:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 17:49:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2021-11-13 17:49:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2247 transitions.
[2021-11-13 17:49:42,249 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9093484419263456
[2021-11-13 17:49:42,249 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2247 transitions.
[2021-11-13 17:49:42,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2247 transitions.
[2021-11-13 17:49:42,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:42,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2247 transitions.
[2021-11-13 17:49:42,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:42,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:42,263 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:42,263 INFO L186 Difference]: Start difference. First operand has 428 places, 437 transitions, 1749 flow. Second operand 7 states and 2247 transitions.
[2021-11-13 17:49:42,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 460 transitions, 1957 flow
[2021-11-13 17:49:42,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 460 transitions, 1951 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-11-13 17:49:42,379 INFO L242 Difference]: Finished difference. Result has 437 places, 447 transitions, 1856 flow
[2021-11-13 17:49:42,379 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1743, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1856, PETRI_PLACES=437, PETRI_TRANSITIONS=447}
[2021-11-13 17:49:42,380 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 123 predicate places.
[2021-11-13 17:49:42,380 INFO L470 AbstractCegarLoop]: Abstraction has has 437 places, 447 transitions, 1856 flow
[2021-11-13 17:49:42,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.8333333333333) internal successors, (1901), 6 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:42,381 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:42,382 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:42,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-11-13 17:49:42,382 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:42,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1570120376, now seen corresponding path program 1 times
[2021-11-13 17:49:42,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:42,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129149764]
[2021-11-13 17:49:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:42,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:42,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:42,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129149764]
[2021-11-13 17:49:42,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129149764] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 17:49:42,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997693302]
[2021-11-13 17:49:42,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:42,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 17:49:42,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:49:42,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 17:49:42,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-13 17:49:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:42,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-13 17:49:42,944 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:49:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:43,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 17:49:43,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997693302] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:43,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 17:49:43,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11
[2021-11-13 17:49:43,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858332252]
[2021-11-13 17:49:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:43,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 17:49:43,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:43,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 17:49:43,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2021-11-13 17:49:43,460 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 353
[2021-11-13 17:49:43,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 447 transitions, 1856 flow. Second operand has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:43,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:43,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 353
[2021-11-13 17:49:43,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:45,307 INFO L129 PetriNetUnfolder]: 439/5629 cut-off events.
[2021-11-13 17:49:45,307 INFO L130 PetriNetUnfolder]: For 2940/5712 co-relation queries the response was YES.
[2021-11-13 17:49:45,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10190 conditions, 5629 events. 439/5629 cut-off events. For 2940/5712 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 52606 event pairs, 116 based on Foata normal form. 45/5382 useless extension candidates. Maximal degree in co-relation 10128. Up to 403 conditions per place.
[2021-11-13 17:49:45,406 INFO L132 encePairwiseOnDemand]: 343/353 looper letters, 59 selfloop transitions, 19 changer transitions 0/449 dead transitions.
[2021-11-13 17:49:45,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 449 transitions, 1943 flow
[2021-11-13 17:49:45,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 17:49:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-11-13 17:49:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2736 transitions.
[2021-11-13 17:49:45,412 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8611898016997167
[2021-11-13 17:49:45,413 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2736 transitions.
[2021-11-13 17:49:45,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2736 transitions.
[2021-11-13 17:49:45,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:45,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2736 transitions.
[2021-11-13 17:49:45,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 304.0) internal successors, (2736), 9 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:45,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:45,426 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:45,427 INFO L186 Difference]: Start difference. First operand has 437 places, 447 transitions, 1856 flow. Second operand 9 states and 2736 transitions.
[2021-11-13 17:49:45,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 449 transitions, 1943 flow
[2021-11-13 17:49:45,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 449 transitions, 1877 flow, removed 23 selfloop flow, removed 7 redundant places.
[2021-11-13 17:49:45,470 INFO L242 Difference]: Finished difference. Result has 440 places, 434 transitions, 1743 flow
[2021-11-13 17:49:45,471 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1672, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1743, PETRI_PLACES=440, PETRI_TRANSITIONS=434}
[2021-11-13 17:49:45,472 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 126 predicate places.
[2021-11-13 17:49:45,473 INFO L470 AbstractCegarLoop]: Abstraction has has 440 places, 434 transitions, 1743 flow
[2021-11-13 17:49:45,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:45,473 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:45,474 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:45,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-13 17:49:45,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 17:49:45,699 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:45,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:45,700 INFO L85 PathProgramCache]: Analyzing trace with hash 625962326, now seen corresponding path program 1 times
[2021-11-13 17:49:45,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:45,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365976820]
[2021-11-13 17:49:45,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:45,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:45,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:45,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365976820]
[2021-11-13 17:49:45,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365976820] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 17:49:45,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435220183]
[2021-11-13 17:49:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:45,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 17:49:45,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:49:45,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 17:49:45,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-13 17:49:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:45,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-13 17:49:45,975 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:49:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:46,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 17:49:46,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435220183] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:46,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 17:49:46,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11
[2021-11-13 17:49:46,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834636931]
[2021-11-13 17:49:46,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:46,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 17:49:46,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:46,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 17:49:46,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2021-11-13 17:49:46,439 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 297 out of 353
[2021-11-13 17:49:46,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 434 transitions, 1743 flow. Second operand has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:46,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:46,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 297 of 353
[2021-11-13 17:49:46,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:49:48,537 INFO L129 PetriNetUnfolder]: 1096/6554 cut-off events.
[2021-11-13 17:49:48,537 INFO L130 PetriNetUnfolder]: For 3722/3735 co-relation queries the response was YES.
[2021-11-13 17:49:48,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12306 conditions, 6554 events. 1096/6554 cut-off events. For 3722/3735 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 74329 event pairs, 684 based on Foata normal form. 0/5572 useless extension candidates. Maximal degree in co-relation 12245. Up to 1695 conditions per place.
[2021-11-13 17:49:48,668 INFO L132 encePairwiseOnDemand]: 343/353 looper letters, 43 selfloop transitions, 4 changer transitions 62/431 dead transitions.
[2021-11-13 17:49:48,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 431 transitions, 1797 flow
[2021-11-13 17:49:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 17:49:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2021-11-13 17:49:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2735 transitions.
[2021-11-13 17:49:48,671 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8608750393452943
[2021-11-13 17:49:48,672 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2735 transitions.
[2021-11-13 17:49:48,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2735 transitions.
[2021-11-13 17:49:48,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:49:48,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2735 transitions.
[2021-11-13 17:49:48,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 303.8888888888889) internal successors, (2735), 9 states have internal predecessors, (2735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:48,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:48,685 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:48,685 INFO L186 Difference]: Start difference. First operand has 440 places, 434 transitions, 1743 flow. Second operand 9 states and 2735 transitions.
[2021-11-13 17:49:48,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 431 transitions, 1797 flow
[2021-11-13 17:49:48,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 431 transitions, 1701 flow, removed 26 selfloop flow, removed 12 redundant places.
[2021-11-13 17:49:48,738 INFO L242 Difference]: Finished difference. Result has 437 places, 369 transitions, 1230 flow
[2021-11-13 17:49:48,739 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1505, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1230, PETRI_PLACES=437, PETRI_TRANSITIONS=369}
[2021-11-13 17:49:48,740 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 123 predicate places.
[2021-11-13 17:49:48,740 INFO L470 AbstractCegarLoop]: Abstraction has has 437 places, 369 transitions, 1230 flow
[2021-11-13 17:49:48,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:48,741 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:49:48,742 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:49:48,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2021-11-13 17:49:48,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ccb62de-a076-472d-8f9b-8c4c4454dfc9/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2021-11-13 17:49:48,967 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:49:48,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:49:48,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1422028368, now seen corresponding path program 1 times
[2021-11-13 17:49:48,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:49:48,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939035085]
[2021-11-13 17:49:48,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:49:48,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:49:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:49:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:49:49,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:49:49,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939035085]
[2021-11-13 17:49:49,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939035085] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:49:49,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:49:49,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2021-11-13 17:49:49,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984218831]
[2021-11-13 17:49:49,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:49:49,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2021-11-13 17:49:49,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:49:49,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-11-13 17:49:49,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272
[2021-11-13 17:49:49,203 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 353
[2021-11-13 17:49:49,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 369 transitions, 1230 flow. Second operand has 17 states, 17 states have (on average 254.94117647058823) internal successors, (4334), 17 states have internal predecessors, (4334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:49:49,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:49:49,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 353
[2021-11-13 17:49:49,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 17:50:07,488 INFO L129 PetriNetUnfolder]: 16930/58230 cut-off events.
[2021-11-13 17:50:07,488 INFO L130 PetriNetUnfolder]: For 33522/35276 co-relation queries the response was YES.
[2021-11-13 17:50:08,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122763 conditions, 58230 events. 16930/58230 cut-off events. For 33522/35276 co-relation queries the response was YES. Maximal size of possible extension queue 1165. Compared 768837 event pairs, 7521 based on Foata normal form. 1026/57441 useless extension candidates. Maximal degree in co-relation 122706. Up to 17276 conditions per place.
[2021-11-13 17:50:08,472 INFO L132 encePairwiseOnDemand]: 331/353 looper letters, 502 selfloop transitions, 62 changer transitions 0/831 dead transitions.
[2021-11-13 17:50:08,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 831 transitions, 4090 flow
[2021-11-13 17:50:08,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states.
[2021-11-13 17:50:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2021-11-13 17:50:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 10794 transitions.
[2021-11-13 17:50:08,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7458025288468182
[2021-11-13 17:50:08,503 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 10794 transitions.
[2021-11-13 17:50:08,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 10794 transitions.
[2021-11-13 17:50:08,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 17:50:08,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 10794 transitions.
[2021-11-13 17:50:08,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 263.2682926829268) internal successors, (10794), 41 states have internal predecessors, (10794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:50:08,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 353.0) internal successors, (14826), 42 states have internal predecessors, (14826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:50:08,544 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 353.0) internal successors, (14826), 42 states have internal predecessors, (14826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:50:08,545 INFO L186 Difference]: Start difference. First operand has 437 places, 369 transitions, 1230 flow. Second operand 41 states and 10794 transitions.
[2021-11-13 17:50:08,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 831 transitions, 4090 flow
[2021-11-13 17:50:09,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 831 transitions, 3890 flow, removed 89 selfloop flow, removed 26 redundant places.
[2021-11-13 17:50:09,869 INFO L242 Difference]: Finished difference. Result has 445 places, 424 transitions, 1604 flow
[2021-11-13 17:50:09,870 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1146, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=41, PETRI_FLOW=1604, PETRI_PLACES=445, PETRI_TRANSITIONS=424}
[2021-11-13 17:50:09,870 INFO L334 CegarLoopForPetriNet]: 314 programPoint places, 131 predicate places.
[2021-11-13 17:50:09,871 INFO L470 AbstractCegarLoop]: Abstraction has has 445 places, 424 transitions, 1604 flow
[2021-11-13 17:50:09,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 254.94117647058823) internal successors, (4334), 17 states have internal predecessors, (4334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:50:09,872 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 17:50:09,872 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:50:09,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-11-13 17:50:09,873 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-13 17:50:09,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:50:09,874 INFO L85 PathProgramCache]: Analyzing trace with hash 739231410, now seen corresponding path program 2 times
[2021-11-13 17:50:09,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:50:09,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844922943]
[2021-11-13 17:50:09,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:50:09,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:50:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:50:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-11-13 17:50:10,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:50:10,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844922943]
[2021-11-13 17:50:10,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844922943] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:50:10,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:50:10,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17
[2021-11-13 17:50:10,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218773193]
[2021-11-13 17:50:10,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:50:10,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2021-11-13 17:50:10,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:50:10,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2021-11-13 17:50:10,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272
[2021-11-13 17:50:10,158 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 353
[2021-11-13 17:50:10,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 424 transitions, 1604 flow. Second operand has 17 states, 17 states have (on average 254.94117647058823) internal successors, (4334), 17 states have internal predecessors, (4334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:50:10,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 17:50:10,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 353
[2021-11-13 17:50:10,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand